host_din.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
***
*** File: hostapi.c
***
*** Comments:
*** This file contains the USB Host API specific functions.
***
**************************************************************************
*END*********************************************************************/
#ifdef __USB_OS_MQX__
#include "mqx.h"
#include "bsp.h"
#else
#include "types.h"
#include "vusb11.h"
#include "usb.h"
#include "hostapi.h"
#endif
#include "usbprv.h"
#include "usbhprv.h"
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : _usb_host_close_pipe
* Returned Value : None
* Comments :
* _usb_host_close_pipe routine removes the pipe from the open pipe list
*
*END*-----------------------------------------------------------------*/
void _usb_host_close_pipe
(
/* [IN] the USB Host state structure */
_usb_host_handle handle,
/* [IN] the pipe id to close */
int_16 pipeid
)
{ /* Body */
USB_HOST_STATE_STRUCT_PTR usb_host_ptr;
usb_host_ptr = (USB_HOST_STATE_STRUCT_PTR)handle;
USB_lock();
/* de-initialise the pipe descriptor */
USB_memzero(&usb_host_ptr->PIPE_DESCRIPTOR_BASE_PTR[pipeid],
sizeof(PIPE_DESCRIPTOR_STRUCT));
USB_unlock();
} /* Endbody */
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : _usb_host_close_all_pipes
* Returned Value : None
* Comments :
* _usb_host_close_all_pipes routine removes the pipe from the open pipe list
*
*END*-----------------------------------------------------------------*/
void _usb_host_close_all_pipes
(
/* [IN] the USB Host state structure */
_usb_host_handle handle
)
{ /* Body */
int_16 i;
USB_HOST_STATE_STRUCT_PTR usb_host_ptr;
usb_host_ptr = (USB_HOST_STATE_STRUCT_PTR)handle;
USB_lock();
for (i=0; i<usb_host_ptr->MAX_PIPES; i++) {
if (!(usb_host_ptr->PIPE_DESCRIPTOR_BASE_PTR[i].OPEN)) {
break;
} else {
/* de-initialise the pipe descriptor */
USB_memzero(&usb_host_ptr->PIPE_DESCRIPTOR_BASE_PTR[i],
sizeof(PIPE_DESCRIPTOR_STRUCT));
} /* Endif */
} /* Endfor */
/* Initialize the current pipe id to -1 indicating that there are no pipes
** queued
*/
usb_host_ptr->CURRENT_PIPE_ID = -1;
USB_unlock();
} /* Endbody */
/* EOF */