#include <IRremote.h>
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);  
#define PIN_RECEIVER 32
IRrecv receiver(PIN_RECEIVER);

int step=16;
int dir=4;
bool runFlag=false;
void setup()
{
  lcd.init();
  lcd.backlight(); 
  lcd.print("<press a button>");
  receiver.enableIRIn();
  pinMode(step, OUTPUT);
  pinMode(dir, OUTPUT);
}
void loop()
{
  // Checks received an IR signal
  if (receiver.decode()) {
    translateIR();
    receiver.resume();
  }
  if(runFlag)
  {
    stepPulse();
  }
}
void stepPulse()
{
  digitalWrite(step, HIGH);
  delay(10);
  digitalWrite(step, LOW);
  delay(10);
}
void lcdPrint(char* text)
{
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("button pressed:");
  lcd.setCursor(0, 1);
  lcd.print(text);
  lcd.print(" code: ");
  lcd.print(receiver.decodedIRData.command);
}
void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 162:
      lcdPrint("POWER");
      runFlag=false;
      break;
    case 226:
      lcdPrint("MENU");
      break;
    case 34:
      lcdPrint("TEST");
      break;
    case 2:
      lcdPrint("PLUS");
      digitalWrite(dir, HIGH);
      break;
    case 194:
      lcdPrint("BACK");
      break;
    case 224:
      lcdPrint("PREV.");
      break;
    case 168:
      lcdPrint("PLAY");
      runFlag=true;
      break;
    case 144:
      lcdPrint("NEXT");
      break;
case 104:
      lcdPrint("num: 0");
      break;
    case 152:
      lcdPrint("MINUS");
      digitalWrite(dir, LOW);
      break;
    case 176:
      lcdPrint("key: C");
      break;
    case 48:
      lcdPrint("num: 1");
      break;
    case 24:
      lcdPrint("num: 2");
      break;
    case 122:
      lcdPrint("num: 3");
      break;
    case 16:
      lcdPrint("num: 4");
      break;
    case 56:
      lcdPrint("num: 5");
      break;
    case 90:
      lcdPrint("num: 6");
      break;
case 66:
      lcdPrint("num: 7");
      break;
    case 74:
      lcdPrint("num: 8");
      break;
    case 82:
      lcdPrint("num: 9");
      break;
    default:
      lcd.clear();
      lcd.print(receiver.decodedIRData.command);
      lcd.print(" other button");
  }
}