#include "pitches.h"

#define BUZZER_PIN 7
#define led_merah 13
#define led_kuning 12

int melody[] = {
  NOTE_E5, NOTE_D5, NOTE_FS4, NOTE_GS4, 
  NOTE_CS5, NOTE_B4, NOTE_D4, NOTE_E4, 
  NOTE_B4, NOTE_A4, NOTE_CS4, NOTE_E4,
  NOTE_A4
};

int durations[] = {
  8, 8, 4, 4,
  8, 8, 4, 4,
  8, 8, 4, 4,
  2
};

void setup() {
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(led_merah, OUTPUT);
  pinMode(led_kuning, OUTPUT);
}

void loop() {
  int size = sizeof(durations) / sizeof(int);

  for (int note = 0; note < size; note++) {
    int duration = 1000 / durations[note];
    tone(BUZZER_PIN, melody[note], duration);
    
    // Mengatur LED berdasarkan nada yang dimainkan
    if (melody[note] == NOTE_E5 || melody[note] == NOTE_B4 || melody[note] == NOTE_A4 || melody[note] == NOTE_FS4 || melody[note] == NOTE_D4 || melody[note] == NOTE_CS4 || melody[note] == NOTE_E4) {
      digitalWrite(led_merah, HIGH);
      digitalWrite(led_kuning, LOW);
    } else {
      digitalWrite(led_merah, LOW);
      digitalWrite(led_kuning, HIGH);
    }

    int pauseBetweenNotes = duration * 1.30;
    delay(pauseBetweenNotes);
    
    noTone(BUZZER_PIN);
  }
}