MSP430G2553 WDT timer mode example-EEWORLD

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#include "MSP430G2553.h"

int main( void )

{

WDTCTL = WDT_ADLY_1000; //The timing period is 1000ms

IE1 |= WDTIE; //Enable WDT interrupt

P1DIR |= 0x01; // P1.0 output

_EINT(); //Equivalent to _EINT(), system total interruption is allowed

while(1) //Loop waiting for timer overflow interrupt

{

LPM3; //Enter LPM3

_NOP();

}

//===========Watchdog interrupt service subroutine========

#pragma vector= WDT_VECTOR

__interrupt void WDT_ISR (void) //Here begins with a double underscore

{

P1OUT ^= 0x01; //P1.0 inverted

}

Keywords：MSP430G2553 Reference address：MSP430G2553 WDT timer mode example

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