dev_cncl.c
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/*HEADER******************************************************************
**************************************************************************
***
*** Copyright (c) 2001-2002 ARC International.
*** All rights reserved
***
*** This software embodies materials and concepts which are
*** confidential to ARC International and is made
*** available solely pursuant to the terms of a written license
*** agreement with ARC International
***
*** $Workfile:devapi.c$
*** $Revision: 1.1 $
*** $Date: 2003/02/17 20:49:01 $
***
*** Comments:
*** This file contains the USB device API.
***
**************************************************************************
*END*********************************************************************/
#ifdef __USB_OS_MQX__
#include "mqx.h"
#include "bsp.h"
#else
#include "devapi.h"
#include "usb.h"
#include "vusb11.h"
#endif
#include "usbprv.h"
#include "usbdprv.h"
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : _usb_device_cancel_transfer
* Returned Value : None
* Comments :
* Cancel Transfer is a non-blocking routine that causes a transfer to be
* terminated. The inputs to the Cancel Transfer identify a unique transfer by
* the endpoint number in the range 0-15 and a direction, USB_RECV or USB_SEND.
*
*END*--------------------------------------------------------------------*/
uint_8 _usb_device_cancel_transfer
(
/* [IN] Handle to the USB device */
_usb_device_handle handle,
/* [IN] Endpoint on which to cancel transfers */
uint_8 endpoint_num,
/* [IN] Direction of which to cancel transfers: Send/Receive */
uint_8 direction
)
{ /* Body */
USB_DEV_STATE_STRUCT_PTR usb_dev_ptr;
usb_dev_ptr = (USB_DEV_STATE_STRUCT_PTR)handle;
#ifdef __USB_OS_MQX__
((USB_CALLBACK_FUNCTIONS_STRUCT_PTR)usb_dev_ptr->CALLBACK_STRUCT_PTR)->\
DEV_CANCEL_TRANSFER(handle, direction, endpoint_num);
#else
_usb_dci_vusb11_cancel_transfer(handle, direction, endpoint_num);
#endif
return USB_OK;
} /* Endbody */
/* EOF */