usbd_ioreq.c

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/* Includes ------------------------------------------------------------------*/
#include "usbd_ioreq.h"

USBD_Status  USBD_CtlSendData (USB_OTG_CORE_HANDLE  *pdev, 
                               const uint8_t *pbuf,
                               uint16_t len)
{
  USBD_Status ret = USBD_OK;
  
  pdev->dev.in_ep[0].total_data_len = len;
  pdev->dev.in_ep[0].rem_data_len   = len;
  pdev->dev.device_state = USB_OTG_EP0_DATA_IN;

  DCD_EP_Tx (pdev, 0, pbuf, len);
 
  return ret;
}

USBD_Status  USBD_CtlContinueSendData (USB_OTG_CORE_HANDLE  *pdev, 
                                       uint8_t *pbuf,
                                       uint16_t len)
{
  USBD_Status ret = USBD_OK;
  
  DCD_EP_Tx (pdev, 0, pbuf, len);
  
  
  return ret;
}

USBD_Status  USBD_CtlPrepareRx (USB_OTG_CORE_HANDLE  *pdev,
                                  uint8_t *pbuf,                                  
                                  uint16_t len)
{
  USBD_Status ret = USBD_OK;
  
  pdev->dev.out_ep[0].total_data_len = len;
  pdev->dev.out_ep[0].rem_data_len   = len;
  pdev->dev.device_state = USB_OTG_EP0_DATA_OUT;
  
  DCD_EP_PrepareRx (pdev,
                    0,
                    pbuf,
                    len);
  

  return ret;
}

USBD_Status  USBD_CtlContinueRx (USB_OTG_CORE_HANDLE  *pdev, 
                                          uint8_t *pbuf,                                          
                                          uint16_t len)
{
  USBD_Status ret = USBD_OK;
  
  DCD_EP_PrepareRx (pdev,
                    0,                     
                    pbuf,                         
                    len);
  return ret;
}
USBD_Status  USBD_CtlSendStatus (USB_OTG_CORE_HANDLE  *pdev)
{
  USBD_Status ret = USBD_OK;
  pdev->dev.device_state = USB_OTG_EP0_STATUS_IN;
  DCD_EP_Tx (pdev,
             0,
             NULL, 
             0); 
  
  USB_OTG_EP0_OutStart(pdev);  
  
  return ret;
}

USBD_Status  USBD_CtlReceiveStatus (USB_OTG_CORE_HANDLE  *pdev)
{
  USBD_Status ret = USBD_OK;
  pdev->dev.device_state = USB_OTG_EP0_STATUS_OUT;  
  DCD_EP_PrepareRx ( pdev,
                    0,
                    NULL,
                    0);  

  USB_OTG_EP0_OutStart(pdev);
  
  return ret;
}


uint16_t  USBD_GetRxCount (USB_OTG_CORE_HANDLE  *pdev , uint8_t epnum)
{
  return pdev->dev.out_ep[epnum].xfer_count;
}

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/