#include <LedControl.h>
#include "pitches.h"

LedControl lc = LedControl(12, 11, 10, 1); // Pins for the MAX7219

int speakerPin = 9; // Pin for the active buzzer

int melody[] = {
  NOTE_E5, NOTE_E5, 0, NOTE_E5,
  0, NOTE_C5, NOTE_E5, 0,
  NOTE_G5, 0, 0, 0,
  NOTE_G4, 0, 0, 0,

  // ... (melody continues)

  NOTE_E5, NOTE_E5, 0, NOTE_E5,
  0, NOTE_C5, NOTE_E5, 0,
  NOTE_G5, 0, 0, 0,
  NOTE_G4, 0, 0, 0,
};

int noteDurations[] = {
  8, 8, 4, 8,
  4, 4, 8, 4,
  4, 4, 4, 4,
  4, 4, 4, 4,

  // ... (note durations continue)

  8, 8, 4, 8,
  4, 4, 8, 4,
  4, 4, 4, 4,
  4, 4, 4, 4,
};

void setup() {
  lc.shutdown(0, false);
  lc.setIntensity(0, 8);
  lc.clearDisplay(0);
  pinMode(speakerPin, OUTPUT);
}

void loop() {
  displayHeart();
  playMelody();
}

void displayHeart() {
  // Your code to display the heart shape on the MAX7219
  // Refer to the MAX7219 library documentation for specific commands
}

void playMelody() {
  for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
    int duration = 1000 / noteDurations[i];
    tone(speakerPin, melody[i], duration);
    delay(duration + 50); // Add a small delay between notes

    noTone(speakerPin);
    delay(50); // Add a pause between notes
  }
}