#include <msp430g2553.h>

void main(void) {

	WDTCTL = WDTPW + WDTHOLD;	//desactiver le watchdog
	P1DIR |= 0x41;			//passage de p1.0 et p1.6 en sortie
	P1OUT &= ~0x41;			//on met les 2 sorties a 0

	P1REN |= BIT3;  
	P1IE |= BIT3;			//P1.3 activer interruption
	P1IFG &= ~BIT3;		//P1.3 IFG cleared

	__enable_interrupt();



}

// Port 1 interrupt service routine
#pragma vector=PORT1_VECTOR
__interrupt void Port_1(void)
{

P1OUT ^= 0x41; // P1.0 = toggle
P1IFG &= ~BIT3; // P1.3 IFG cleared
P1IES ^= BIT3; // toggle the interrupt edge,
// the interrupt vector will be called
//when P1.3 goes from HitoLow as well as LowtoHigh
}