lpc1768_ExternalInterrupt1.c

#include <lpc17xx.h>
#include "stdutils.h"
#include "gpio.h"
#include "extintr.h"

#define LED1      P2_0
#define LED2      P2_1

void myExtIntrIsr_0(void)
{
    GPIO_PinToggle(LED1); /* Toggle the LED1 (P2_0) */ 
}

void myExtIntrIsr_1(void)
{
    GPIO_PinToggle(LED2); /* Toggle the LED2 (P2_1) */ 
}


int main (void) 
{
    SystemInit();

    GPIO_PinDirection(LED1,OUTPUT);        /* Configure the pins as Output to blink the Leds*/
    GPIO_PinDirection(LED2,OUTPUT);

    EINT_AttachInterrupt(EINT0,myExtIntrIsr_0,FALLING);   /* myExtIntrIsr_0 will be called by EINT0_IRQHandler */
    EINT_AttachInterrupt(EINT1,myExtIntrIsr_1,FALLING);   /* myExtIntrIsr_1 will be called by EINT1_IRQHandler */

    while(1)
    {
        //do nothing
    }
}