www.pudn.com > hf44b0_TEST.rar > TIMER.C

#include  
#include "..\inc\44b.h" 
#include "..\inc\44blib.h" 
#include "..\inc\timer.h" 
 
 
void __irq Wdt_Int(void); 
 
 
volatile int isWdtInt; 
 
/**************************************** 
 *	Watch-dog timer test		* 
 ****************************************/ 
void Test_WDTimer(void) 
{ 
    Uart_Printf("[WatchDog Timer Test]\n"); 
 
    rINTMSK=~(BIT_GLOBAL|BIT_WDT); 
    pISR_WDT=(unsigned)Wdt_Int; 
    isWdtInt=0; 
	 
    rWTCON=((MCLK/1000000-1)<<8)|(3<<3)|(1<<2);  //  t_watchdog = 1/66/128, interrupt enable 
    rWTDAT=8448/4; 
    rWTCNT=8448/4; 
    rWTCON=rWTCON|(1<<5);   // 1/40/128,interrupt  
 
    while(isWdtInt!=10); 
 
    rWTCON=((MCLK/1000000-1)<<8)|(3<<3)|(1);  //   1/66/128, reset enable 
    Uart_Printf("\nI will restart after 2 sec!!!\n"); 
    rWTCNT=8448*2; 
    rWTCON=rWTCON|(1<<5);   // 1/40/128,interrupt  
    while(1); 
    rINTMSK|=BIT_GLOBAL; 
} 
 
void __irq Wdt_Int(void) 
{ 
    rI_ISPC=BIT_WDT; 
    Uart_Printf("%d ",++isWdtInt); 
}