#include <IRremote.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>

int RECV_PIN = 2;
int LCD_PIN = 3;
int SERV_PIN = 9;

LiquidCrystal_I2C lcd(0x27,16,2);

IRrecv receiver(RECV_PIN);
decode_results results;
unsigned long key_value = 0;

Servo myservo;
int pos = 0;

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.clear();

  receiver.enableIRIn();
  receiver.blink13(true);

  myservo.attach(SERV_PIN);
  myservo.write(pos);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(receiver.decode()){

    if (results.value == 0xFFFFFFFF) { // if the value is equal to 0xFFFFFFFF
      results.value = key_value; // set the value to the key value
    }
    lcd.clear();
    switch (results.value) { // compare the value to the following cases
      case 0xFD00FF: // if the value is equal to 0xFD00FF
        lcd.print("POWER"); // print "POWER" in the Serial Monitor
        break;
      case 0xFD807F:
        lcd.print("VOL+");
        break;
      case 0xFD40BF:
        lcd.print("FUNC/STOP");
        break;
      case 0xFD20DF:
        lcd.print("|<<");
        break;
      case 0xFDA05F:
        lcd.print(">||");
        break ;
      case 0xFD609F:
        lcd.print(">>|");
        break ;
      case 0xFD10EF:
        lcd.print("DOWN");
        break ;
      case 0xFD906F:
        lcd.print("VOL-");
        break ;
      case 0xFD50AF:
        lcd.print("UP");
        break ;
      case 0xFD30CF:
        pos=0;
        lcd.print("0");
        break ;
      case 0xFDB04F:
        lcd.print("EQ");
        break ;
      case 0xFD708F:
        lcd.print("ST/REPT");
        break ;
      case 0xFD08F7:
        pos+=10; 
        lcd.print("1");
        break ;
      case 0xFD8877:
        pos+=20;
        lcd.print("2");
        break ;
      case 0xFD48B7:
        pos+=30;
        lcd.print("3");
        break ;
      case 0xFD28D7:
        pos+=40;
        lcd.print("4");
        break ;
      case 0xFDA857:
        pos+=50;
        lcd.print("5");
        break ;
      case 0xFD6897:
        lcd.print("6");
        break ;
      case 0xFD18E7:
        lcd.print("7");
        break ;
      case 0xFD9867:
        lcd.print("8");
        break ;
      case 0xFD58A7:
        lcd.print("9");
        break ;
    }
    myservo.write(pos);
    key_value = results.value; // store the value as key_value
    receiver.resume(); // reset the receiver for the next code
  }

  delay(100);
}