// -*- c -*-
// Makefile needs a proper C++ file
#include "Arduino.h"
void setup();
void loop();


/*
  Blink
  Turns on an LED on for one second, then off for one second, repeatedly.

  This example code is in the public domain.
 */

// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
int led = 13;

// the setup routine runs once when you press reset:
void setup() {
  // initialize the dig1ital pin as an output.
  pinMode(led, OUTPUT);
}

int period   = 200;
int period_1 = 200;

// the loop routine runs over and over again forever:
void loop() {
    period = (period * 9) / 10;
    digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
    delay(period);               // wait for a second
    digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW
    delay(period);               // wait for a second
    if (period == 1) {
        period_1 = (period_1 * 9) / 10;
        period = period_1;
    }
}