dev_shut.c 2.19 KB
/*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_shutdown
*  Returned Value : USB_OK or error code
*  Comments       :
*        Shutdown an initialized USB device
*
*END*-----------------------------------------------------------------*/
void _usb_device_shutdown
   (
      /* [IN] the USB_USB_dev_initialize state structure */
      _usb_device_handle         handle
   )
{ /* 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_SHUTDOWN(handle);
#else
   _usb_dci_vusb11_shutdown((_usb_device_handle)usb_dev_ptr);
#endif

   USB_memfree((uchar_ptr)usb_dev_ptr->SERVICE_HEAD_PTR);

   /* Free all internal transfer descriptors */
   USB_memfree((uchar_ptr)usb_dev_ptr->XDSEND);
   USB_memfree((uchar_ptr)usb_dev_ptr->XDRECV);

   /* Free the USB state structure */
   USB_memfree((uchar_ptr)usb_dev_ptr);
   
} /* EndBody */


/* EOF */