rzkclose.c

来自「zilog的实时操作系统RZK,可以移植到多种处理器上」· C语言 代码 · 共 42 行

/*
 * File       : RZKClose.c
 * Scope      : Scope is limited to only device driver framework.
 *
 * Description: This file implements the Close API of device driver framework
 *
 * Copyright 2004 ZiLOG Inc.  ALL RIGHTS RESERVED.
 *
 * This file contains unpublished confidential and proprietary information
 * of ZiLOG, Inc.
 * NO PART OF THIS WORK MAY BE DUPLICATED, STORED, PUBLISHED OR DISCLOSED 
 * IN ANY FORM WITHOUT THE PRIOR WRITTEN CONSENT OF ZiLOG, INC.
 * This is not a license and no use of any kind of this work is authorized
 * in the absence of a written license granted by ZiLOG, Inc. in ZiLOG's 
 * sole discretion 
 */


#include "ZTypes.h"
#include "ZSysgen.h"
#include "ZDevice.h"
#include "ZThread.h"
#include "ZInterrupt.h"
#include "externvar.h"

DDF_STATUS_t RZKDevClose( 
							RZK_DEVICE_CB_t *pdev	// device id
						)
{
#ifdef RZK_DEBUG 
	if(pdev == NULL)
		return DDFERR_INVALID_ARGUMENTS;
#endif

	// call the driver installed close handler
	// return the status returned by the driver handler

	if(pdev->fnClose)
		return (( * (pdev->fnClose) )( pdev )) ;
	else
		return DDFERR_INVALID_INITIALIZER ;
}