#include <stdio.h>
#include <wiringPi.h>

// LED Pin - wiringPi pin 0 is BCM_GPIO 17
#define LED 0

int main (void) {
  printf ("Raspberry Pi blink\n");
  wiringPiSetup ();
  pinMode (LED, OUTPUT);

  for(;;) {
    digitalWrite (LED, HIGH);
    delay (500);
    digitalWrite (LED, LOW);
    delay (500);
  }
  return;
}