C++ (Cpp) USB_StatusOut Beispiele

Beispiel #1

Datei: usb_core.c Projekt: Helius/trying-with-dso-nano-v1

/*******************************************************************************
* Function Name  : DataStageIn.
* Description    : Data stage of a Control Read Transfer.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void DataStageIn(void)
{
  ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info;
  u32 save_wLength = pEPinfo->Usb_wLength;
  u32 ControlState = pInformation->ControlState;

  u8 *DataBuffer;
  u32 Length;

  if ((save_wLength == 0) && (ControlState == LAST_IN_DATA))
  {
    /* no more data to send so STALL the TX Status*/
    ControlState = WAIT_STATUS_OUT;
    vSetEPTxStatus(EP_TX_STALL);
    goto Expect_Status_Out;
  }

  Length = pEPinfo->PacketSize;
  ControlState = (save_wLength <= Length) ? LAST_IN_DATA : IN_DATA;

  if (Length > save_wLength)
  {
    Length = save_wLength;
  }

  DataBuffer = (*pEPinfo->CopyData)(Length);

  UserToPMABufferCopy(DataBuffer, GetEPTxAddr(ENDP0), Length);

  SetEPTxCount(ENDP0, Length);

  pEPinfo->Usb_wLength -= Length;
  pEPinfo->Usb_wOffset += Length;
  vSetEPTxStatus(EP_TX_VALID);

  USB_StatusOut();/* Expect the host to abort the data IN stage */

Expect_Status_Out:
  pInformation->ControlState = ControlState;
}

Beispiel #2

Datei: usb_core.c Projekt: iKarosStudio/L2A6MainControl

/*******************************************************************************
* Function Name  : DataStageIn.
* Description    : Data stage of a Control Read Transfer.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void DataStageIn(void)
{
  ENDPOINT_INFO *pEPinfo = &pInformation->Ctrl_Info;
  uint32_t save_wLength = pEPinfo->Usb_wLength;
  uint32_t ControlState = pInformation->ControlState;

  uint8_t *DataBuffer;
  uint32_t Length;

  if ((save_wLength == 0) && (ControlState == LAST_IN_DATA))
  {
    if(Data_Mul_MaxPacketSize == TRUE)
    {
      /* No more data to send and empty packet */
      Send0LengthData();
      ControlState = LAST_IN_DATA;
      Data_Mul_MaxPacketSize = FALSE;
    }
    else 
    {
      /* No more data to send so STALL the TX Status*/
      ControlState = WAIT_STATUS_OUT;

    #ifdef STM32F10X_CL      
      PCD_EP_Read (ENDP0, 0, 0);
    #endif  /* STM32F10X_CL */ 
    
    #ifndef STM32F10X_CL 
      vSetEPTxStatus(EP_TX_STALL);
    #endif  /* STM32F10X_CL */ 
    }
    
    goto Expect_Status_Out;
  }

  Length = pEPinfo->PacketSize;
  ControlState = (save_wLength <= Length) ? LAST_IN_DATA : IN_DATA;

  if (Length > save_wLength)
  {
    Length = save_wLength;
  }

  DataBuffer = (*pEPinfo->CopyData)(Length);

#ifdef STM32F10X_CL
  PCD_EP_Write (ENDP0, DataBuffer, Length);
#else   
  UserToPMABufferCopy(DataBuffer, GetEPTxAddr(ENDP0), Length);
#endif /* STM32F10X_CL */ 

  SetEPTxCount(ENDP0, Length);

  pEPinfo->Usb_wLength -= Length;
  pEPinfo->Usb_wOffset += Length;
  vSetEPTxStatus(EP_TX_VALID);

  USB_StatusOut();/* Expect the host to abort the data IN stage */

Expect_Status_Out:
  pInformation->ControlState = ControlState;
}