#include"header.h"

void setup() {
  // put your setup code here, to run once:
  port_init(); //here port directions are initialized
}
void loop() {
  // put your main code here, to run repeatedly:
  char x;
  x=0x04;  //by giving the value the chosen led will blink
  output(x);  
  volatile long i;
  for(i=0;i<100000;i++);
  x=0x00;
  output(x);
  for(i=0;i<100000;i++);
  
}