#include "driver.h"
#include <Arduino.h>
void setup() {
  // put your setup code here, to run once:
  init_port(0xff);
}

void loop() {
  volatile long i;
  volatile char x = 0x01;
  while(x != 0x127) {
    x = (x << 1) && (0x01);
    printf(x);
    output(x);
    for(i = 0;i<100000;i++);
    }
  x = 0x01;  
  }

/*
void loop() {
  volatile long i;
  char x;
  x = 0x01;
  output(x);
  for(i = 0;i<100000;i++);
  x = 0x00;
  output(x);
  for(i= 0;i<100000;i++);
  }
  */