vxWorks系統(tǒng)自啟動的用戶程序
vxWorks提供了一個用戶接口usrAppInit。我們可以根據(jù)需求來實現(xiàn)或者改寫這個函數(shù),對應(yīng)的usrAppInit.c在已創(chuàng)建的VIP目錄下。VIP編譯的過程中這個函數(shù)將被編譯進內(nèi)核鏡像,在系統(tǒng)啟動后將會自動執(zhí)行這個函數(shù)。
函數(shù)原始定義如下:
/* usrAppInit.c - stub application initialization routine */
/* Copyright (c) 1998,2006 Wind River Systems, Inc.
*
* The right to copy, distribute, modify or otherwise make use
* of this software may be licensed only pursuant to the terms
* of an applicable Wind River license agreement.
*/
/*
modification history
--------------------
01b,16mar06,jmt Add header file to find USER_APPL_INIT define
01a,02jun98,ms written
*/
/*
DESCRIPTION
Initialize user application code.
*/
#include
#if defined(PRJ_BUILD)
#include "prjParams.h"
#endif /* defined PRJ_BUILD */
/******************************************************************************
*
* usrAppInit - initialize the users application
*/
void usrAppInit (void)
{
#ifdef USER_APPL_INIT
USER_APPL_INIT; /* for backwards compatibility */
#endif
/* add application specific code here */
}