C++ (Cpp) USBDHAL_UnStallEpの例

コード例 #1

ファイル: em_usbd.c プロジェクト: Archcady/mbed-os

/***************************************************************************//**
 * @brief
 *   Reset stall state on a stalled (halted) endpoint.
 *
 * @param[in] epAddr
 *   The address of the endpoint to un-stall.
 *
 * @return
 *   @ref USB_STATUS_OK on success, else an appropriate error code.
 ******************************************************************************/
int USBD_UnStallEp( int epAddr )
{
  USB_Status_TypeDef retVal;
  CORE_DECLARE_IRQ_STATE;
  USBD_Ep_TypeDef *ep = USBD_GetEpFromAddr( epAddr );

  if ( ep == NULL )
  {
    DEBUG_USB_API_PUTS( "\nUSBD_UnStallEp(), Illegal request" );
    EFM_ASSERT( false );
    return USB_STATUS_ILLEGAL;
  }

  if ( ep->num == 0 )
  {
    DEBUG_USB_API_PUTS( "\nUSBD_UnStallEp(), Illegal endpoint" );
    EFM_ASSERT( false );
    return USB_STATUS_ILLEGAL;
  }

  CORE_ENTER_CRITICAL();
  retVal = USBDHAL_UnStallEp( ep );
  CORE_EXIT_CRITICAL();

  if ( retVal != USB_STATUS_OK )
  {
    retVal = USB_STATUS_ILLEGAL;
  }

  return retVal;
}

コード例 #2

/***************************************************************************//**
 * @brief
 *   Reset stall state on a stalled (halted) endpoint.
 *
 * @param[in] epAddr
 *   The address of the endpoint to un-stall.
 *
 * @return
 *   @ref USB_STATUS_OK on success, else an appropriate error code.
 ******************************************************************************/
int USBD_UnStallEp( int epAddr )
{
  USB_Status_TypeDef retVal;
  USBD_Ep_TypeDef *ep = USBD_GetEpFromAddr( epAddr );

  if ( ep == NULL )
  {
    DEBUG_USB_API_PUTS( "\nUSBD_UnStallEp(), Illegal request" );
    EFM_ASSERT( false );
    return USB_STATUS_ILLEGAL;
  }

  if ( ep->num == 0 )
  {
    DEBUG_USB_API_PUTS( "\nUSBD_UnStallEp(), Illegal endpoint" );
    EFM_ASSERT( false );
    return USB_STATUS_ILLEGAL;
  }

  INT_Disable();
  retVal = USBDHAL_UnStallEp( ep );
  INT_Enable();

  if ( retVal != USB_STATUS_OK )
  {
    retVal = USB_STATUS_ILLEGAL;
  }

  return retVal;
}