wdttest.c

NXP产品LPC23XX的开发板的源文件

/*****************************************************************************
 *   wdttest.c:  main C entry file for NXP LPC23xx/24xx Family Microprocessors
 *
 *   Copyright(C) 2006, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2006.07.19  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#include "LPC230x.h"                        /* LPC23xx/24xx definitions */
#include "type.h"
#include "target.h"
#include "irq.h"
#include "timer.h"
#include "wdt.h"

extern volatile DWORD timer_counter;
volatile DWORD feed_counter = 0;

/*****************************************************************************
**   Main Function  main()
******************************************************************************/
int main (void)
{	    		
    TargetResetInit();

    /*** The main Function is an endless loop ****/
    init_timer( TIME_INTERVAL );
    
    WDTInit();
    enable_timer( 0 );
       
    while( 1 ) 
    {
		if ( timer_counter > 0 )
		{
	    	/* Feed the watchdog timer */
	    	feed_counter++;
	    	WDTFeed();
	    	timer_counter = 0;
		}
    }

    return 0;
}

/*********************************************************************************
**                            End Of File
*********************************************************************************/