#include <IRremote.h>
#include <ESP32Servo.h>

#define servoPin 2
#define PIN_RECEIVER 19   // Signal Pin of IR receiver

IRrecv receiver(PIN_RECEIVER);
Servo servo;
int pos = 90;

void setup()
{
  receiver.enableIRIn(); // Start the receiver
  servo.attach(servoPin, 500, 2400);
  Serial.begin(9600);
  Serial.println("Posisi awal servo " + String(pos));
  servo.write(pos);
  Serial.println("Tekan tombol + atau -");
}

void loop()
{
  // Checks received an IR signal
  if (receiver.decode() && pos > 0 && pos < 180) {
    translateIR();
    Serial.println("Posisi " + String(pos) + " derajat");
    servo.write(pos);
    receiver.resume();  // Receive the next value
  }
  else if (receiver.decode() && pos >= 180){
    Serial.println("Posisi maksimal, tekan tombol - atau back");
    translateIR();
    receiver.resume();
  }
  else if (receiver.decode() && pos <= 0){
    Serial.println("Posisi maksimal, tekan tombol + atau back");
    translateIR();
    receiver.resume();
  }
}


void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 2:
      pos += 1;
      break;
    case 152:
      pos -= 1;
      break;
    case 194:
      pos = 90;
      break;
    default:
      Serial.println("Invalid!! Tekan + atau -");
  }
}