/*interrupt.c

ganeshredcobra@gmail.com

GPL

*/

#include <msp430g2553.h>

#define LED1 BIT0

#define LED2 BIT6

#define BUTTON BIT3

volatile unsigned int i;//to prevent optimization

void main(void)

{

WDTCTL=WDTPW+WDTHOLD;

P1DIR |= (LED1+LED2);//

P1OUT &= ~(LED1+LED2);

P1IE |= BUTTON;

P1IFG &= ~BUTTON;

//__enable_interrupt();//enable all interrupts

_BIS_SR(LPM4_bits+GIE);

for(;;)

{}

}

//port1 interrupt service routine

void Port_1 (void) __attribute__((interrupt(PORT1_VECTOR)));

void Port_1 (void)

{

P1OUT ^= (LED1+LED2);

P1IFG &= ~BUTTON;

P1IES ^= BUTTON;

}