看门狗定时器无效怎么回事

只看该作者 · 2016-7-18 21:21

#ifndef WDT_H_
#define WDT_H_
#include <msp430.h>

void WDT_init()
{

      WDTCTL=WDT_ADLY_250;       //250ms
      SFRIE1 |= WDTIE;             //WDT使能
      _enable_interrupts();          // 总中断
      //_bis_SR_register(LPM0_bits + GIE);    // Enter LPM0, enable interrupts
}

#pragma vector=WDT_VECTOR
__interrupt void WDT_ISR(void)
{
      P1OUT ^= BIT0;
}
#endif /* WDT_H_ */

#include <msp430.h>
#include "TA0.h"
#include "TA0_PWM.h"
#include "WDT.h"

int main(void)
{
WDTCTL = WDTPW | WDTHOLD;    // Stop watchdog timer
TA0_Init();//初始化TA0
WDT_init();                //看门狗定时器初始化
P1DIR|=BIT0;
}