#include "led_demo.h";
void setup() {
  // put your setup code here, to run once:
  set_dir_of_portF();


}

void loop() {
  // put your main code here, to run repeatedly:
  volatile long i;
  char x;
  x=1;
  LEDBLINK(x);
  for(i=0;i<100000;i++);
  x=0;
  LEDBLINK(x);
  for(i=0;i<100000;i++);
    
}