/*
 * IR control ----------- 31.10.2011 --- Alexander Revtsov -----------
 * ---------------------- http://www.city416.ru ----------------------

  This example code is in the public domain.

 * IRremote: IRrecvDemo - demonstrates receiving IR codes with IRrecv
 * An IR detector/demodulator must be connected to the input RECV_PIN.
 * Version 0.1 July, 2009
 * Copyright 2009 Ken Shirriff
 * http://arcfn.com
 */

#include <IRremote.h>

int RECV_PIN = 2;          //IR receiver pin

const unsigned long KEY1CODE = 0x20DF906F;
const unsigned long KEY2CODE = 0x20DF50AF;
const unsigned long KEY3CODE = 0x20DFD02F;
const unsigned long KEYUPCODE = 0x20DFE21D;
const unsigned long KEYOKCODE = 0x20DFD22D;
const unsigned long KEYDOWNCODE = 0x20DF12ED;

IRrecv irrecv(RECV_PIN);
decode_results results;

void setup()
{
  Serial.begin(9600);     // Serial port to debugging
  irrecv.enableIRIn();    // Start the receiver

  pinMode(4, OUTPUT);     // Run motors pin
  pinMode(7, OUTPUT);     // Reverse direction pin
  pinMode(8, OUTPUT);     // Light 3 pin
  pinMode(12, OUTPUT);    // Light 2 pin
  pinMode(13, OUTPUT);    // Light 1 pin
}

  int i = 0;
  int LIGHT1 = 0;
  int LIGHT2 = 0;
  int LIGHT3 = 0;

  unsigned long last = millis();

void loop() {

    if (irrecv.decode(&results)) {
    // If it's been at least 1/4 second since the last
    // IR received, toggle the relay
    if (millis() - last > 250) {

      switch (results.value){
       case KEYUPCODE:             // key UP pressed
         digitalWrite(4,LOW);
         delay(500);
         digitalWrite(7,HIGH);
         delay(500);
         digitalWrite(4,HIGH);
       break;
       case KEYOKCODE:             // key OK pressed (STOP)
         digitalWrite(4,LOW);
         delay(500);
         digitalWrite(7,LOW);
       break;
       case KEYDOWNCODE:           // key DOWN pressed
         digitalWrite(4,LOW);
         delay(500);
         digitalWrite(7,LOW);
         delay(500);
         digitalWrite(4,HIGH);
       break;
       case KEY1CODE:              // light key 1
         LIGHT1 = !LIGHT1;
         digitalWrite(13, LIGHT1 ? HIGH : LOW);
       break;
       case KEY2CODE:              // light key 2
         LIGHT2 = !LIGHT2;
         digitalWrite(12, LIGHT2 ? HIGH : LOW);
       break;
       case KEY3CODE:              // light key 3
         LIGHT3 = !LIGHT3;
         digitalWrite(8, LIGHT3 ? HIGH : LOW);
       break;
     }
    }
    last = millis();      

  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX);    // debug to serial monitor
    irrecv.resume();                       // Receive the next value
  }
 }
}