MSP430锁频环的使用 -

#include

本文引用地址: http://www.21ic.com/app/mcu/201807/780780.htm

void delay(int x)

{

int i,j;

for(i=x;i>0;i--)

for(j=112;j>0;j--);

}

int main( void )

{

// Stop watchdog timer to prevent time out reset

BCSCTL1 |= DIVA_2;

WDTCTL = WDT_ADLY_1000;

IE1 = WDTIE;

P2DIR |= BIT2;

P2OUT |= BIT2;

while(1)

{

_BIS_SR(LPM3_bits+GIE);

P2OUT &= ~BIT2;

delay(100);

P2OUT |= BIT2;

}

}

#pragma vector = WDT_VECTOR

__interrupt void watchdot_timer()

{

_BIC_SR_IRQ(LPM3_bits);

}