#include <IRremote.h>
#include <Stepper.h>
#include <avr/wdt.h>
#define PIN_RECEIVER 2   // Signal Pin of IR receiver
IRrecv receiver(PIN_RECEIVER);
int codigoBotao = 162;
int val;    // variable to read the value from the analog pin
const int stepsPerRevolution = 200;
const int red = 3;
const int green = 4;
const int blue = 5;
Stepper myStepper(stepsPerRevolution, 9, 10, 11, 12);

void interruptFunction() {
  if (receiver.decode()) {
    if (receiver.decodedIRData.command == codigoBotao) {// Código do botão corresponde ao código esperado
        Serial.println("reset");
        digitalWrite(red, LOW);
        digitalWrite(green, LOW);
        digitalWrite(blue, LOW);
        wdt_enable(WDTO_15MS);        
    }    
    receiver.resume(); // Reinicia o receptor para receber o próximo sinal
  }
}

void setup()
{
  myStepper.setSpeed(60);// set the speed at 60 rpm:
  Serial.begin(9600);// initialize the serial port:
  receiver.enableIRIn(); // Start the receiver
  attachInterrupt(digitalPinToInterrupt(PIN_RECEIVER), interruptFunction, CHANGE);
  val = 200;
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
}

void loop()
{
  // Checks received an IR signal
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value
  }
}

void translateIR()
{  
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 162:
      //lcdPrint("POWER");
        
      break;
    case 226:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("MENU");
      break;
    case 34:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("TEST");
      break;
    case 2:
        digitalWrite(green, HIGH);
        myStepper.step(val);
        delay(500);
        digitalWrite(green, LOW);
        //lcdPrint("PLUS");
      break;
    case 194:
        digitalWrite(red, HIGH);
        delay(500);
        digitalWrite(red, LOW);
        //lcdPrint("BACK");
      break;
    case 224:
      //lcdPrint("PREV.");
        Serial.println("inicia");
        digitalWrite(blue, HIGH);
        digitalWrite(red, HIGH);
        myStepper.step(-val*3);
        digitalWrite(blue, LOW);
        digitalWrite(red, LOW);
        Serial.println("termina");
      break;
    case 168:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("PLAY");
      break;
    case 144:
      //lcdPrint("NEXT");
          Serial.println("inicia");
          digitalWrite(green, HIGH);
          myStepper.step(val*3);
          digitalWrite(green, LOW);
          Serial.println("termina");
      break;
    case 104:
      digitalWrite(red, HIGH);
      delay(500);
      //lcdPrint("num: 0");
      break;
    case 152:
        digitalWrite(green, HIGH);
        digitalWrite(red, HIGH);
        myStepper.step(-val);
        digitalWrite(green, LOW);
        digitalWrite(red, LOW);
        //lcdPrint("MINUS");
      break;
    case 176:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("key: C");
      break;
    case 48:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 1");
      break;
    case 24:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 2");
      break;
    case 122:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 3");
      break;
    case 16:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 4");
      break;
    case 56:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 5");
      break;
    case 90:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 6");
      break;
    case 66:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 7");
      break;
    case 74:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 8");
      break;
    case 82:
      digitalWrite(red, HIGH);
      delay(500);
      digitalWrite(red, LOW);
      //lcdPrint("num: 9");
      break;
    default:
    digitalWrite(red, HIGH);
    digitalWrite(green, HIGH);
    digitalWrite(blue, HIGH);
    delay(500);
    digitalWrite(red, LOW);
    digitalWrite(green, LOW);
    digitalWrite(blue, LOW);
    
  }
}