/*******************************************************************************
* 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).
*******************************************************************************/
u32 USB_SIL_Read(u8 bEpAddr, u8* pBufferPointer)
{
u32 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 = OTGD_FS_PCD_GetOutEP(bEpAddr);
/* Get the number of received data */
DataLength = ep->xfer_len;
/* Use the PCD interface layer function to read the selected endpoint */
OTGD_FS_PCD_EP_Read (bEpAddr, pBufferPointer, DataLength);
#endif /* STM32F10X_CL */
/* Return the number of received data */
return DataLength;
}
/*******************************************************************************
* Function Name : Setup0_Process
* Description : Get the device request data and dispatch to individual process.
* Input : None.
* Output : None.
* Return : Post0_Process.
*******************************************************************************/
uint8_t Setup0_Process(void)
{
union
{
uint8_t* b;
uint16_t* w;
} pBuf;
#ifdef STM32F10X_CL
USB_OTG_EP *ep;
uint16_t offset = 0;
ep = OTGD_FS_PCD_GetOutEP(ENDP0);
pBuf.b = ep->xfer_buff;
OTGD_FS_EP0StartXfer(ep);
#else
uint16_t offset = 1;
pBuf.b = PMAAddr + (uint8_t *)(_GetEPRxAddr(ENDP0) * 2); /* *2 for 32 bits addr */
#endif /* STM32F10X_CL */
if (pInformation->ControlState != PAUSE)
{
pInformation->USBbmRequestType = *pBuf.b++; /* bmRequestType */
pInformation->USBbRequest = *pBuf.b++; /* bRequest */
pBuf.w += offset; /* word not accessed because of 32 bits addressing */
pInformation->USBwValue = ByteSwap(*pBuf.w++); /* wValue */
pBuf.w += offset; /* word not accessed because of 32 bits addressing */
pInformation->USBwIndex = ByteSwap(*pBuf.w++); /* wIndex */
pBuf.w += offset; /* word not accessed because of 32 bits addressing */
pInformation->USBwLength = *pBuf.w; /* wLength */
}
pInformation->ControlState = SETTING_UP;
if (pInformation->USBwLength == 0)
{
/* Setup with no data stage */
NoData_Setup0();
}
else
{
/* Setup with data stage */
Data_Setup0();
}
return Post0_Process();
}
