/* HCD_SubmitRequest This function prepare a HC and start a transfer.  */
uint32_t HCD_SubmitRequest(USB_OTG_CORE_HANDLE *pdev, uint8_t hc_num)
/* HCD_SubmitRequest This function prepare a HC and start a transfer.  */
uint32_t HCD_SubmitRequest(USB_OTG_CORE_HANDLE *pdev, uint8_t hc_num)
{
  pdev->host.URB_State[hc_num] =   URB_IDLE;  
  pdev->host.hc[hc_num].xfer_count = 0 ;
  return USB_OTG_HC_StartXfer(pdev, hc_num);
}