/*
  Buzzer example
*/

/*************************************************
   Public Constants
 *************************************************/

#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_CS1 35
#define NOTE_D1 37
#define NOTE_DS1 39
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_FS1 46
#define NOTE_G1 49
#define NOTE_GS1 52
#define NOTE_A1 55
#define NOTE_AS1 58
#define NOTE_B1 62
#define NOTE_C2 65
#define NOTE_CS2 69
#define NOTE_D2 73
#define NOTE_DS2 78
#define NOTE_E2 82
#define NOTE_F2 87
#define NOTE_FS2 93
#define NOTE_G2 98
#define NOTE_GS2 104
#define NOTE_A2 110
#define NOTE_AS2 117
#define NOTE_B2 123
#define NOTE_C3 131
#define NOTE_CS3 139
#define NOTE_D3 147
#define NOTE_DS3 156
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_FS3 185
#define NOTE_G3 196
#define NOTE_GS3 208
#define NOTE_A3 220
#define NOTE_AS3 233
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_CS4 277
#define NOTE_D4 294
#define NOTE_DS4 311
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_FS4 370
#define NOTE_G4 392
#define NOTE_GS4 415
#define NOTE_A4 440
#define NOTE_AS4 466
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_CS5 554
#define NOTE_D5 587
#define NOTE_DS5 622
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_FS5 740
#define NOTE_G5 784
#define NOTE_GS5 831
#define NOTE_A5 880
#define NOTE_AS5 932
#define NOTE_B5 988
#define NOTE_C6 1047
#define NOTE_CS6 1109
#define NOTE_D6 1175
#define NOTE_DS6 1245
#define NOTE_E6 1319
#define NOTE_F6 1397
#define NOTE_FS6 1480
#define NOTE_G6 1568
#define NOTE_GS6 1661
#define NOTE_A6 1760
#define NOTE_AS6 1865
#define NOTE_B6 1976
#define NOTE_C7 2093
#define NOTE_CS7 2217
#define NOTE_D7 2349
#define NOTE_DS7 2489
#define NOTE_E7 2637
#define NOTE_F7 2794
#define NOTE_FS7 2960
#define NOTE_G7 3136
#define NOTE_GS7 3322
#define NOTE_A7 3520
#define NOTE_AS7 3729
#define NOTE_B7 3951
#define NOTE_C8 4186
#define NOTE_CS8 4435
#define NOTE_D8 4699
#define NOTE_DS8 4978


#define BUZZER_PIN 15

int melody[] = {NOTE_AS4, NOTE_AS4, NOTE_AS4, NOTE_F5, NOTE_C6, NOTE_AS5, NOTE_A5, NOTE_G5, NOTE_F6, NOTE_C6, NOTE_AS5, NOTE_A5, NOTE_G5, NOTE_F6, NOTE_C6, NOTE_AS5, 
  NOTE_A5, NOTE_AS5, NOTE_G5, NOTE_C5, NOTE_C5, NOTE_C5, NOTE_F5, NOTE_C6, NOTE_AS5, NOTE_A5, NOTE_G5, NOTE_F6, NOTE_C6, NOTE_AS5, NOTE_A5, NOTE_G5, NOTE_F6, NOTE_C6, 
  NOTE_AS5, NOTE_A5, NOTE_AS5, NOTE_G5, NOTE_C5, NOTE_C5, NOTE_D5, NOTE_D5, NOTE_AS5, NOTE_A5, NOTE_G5, NOTE_F5, NOTE_F5, NOTE_G5, NOTE_A5, NOTE_G5, NOTE_D5, NOTE_E5, 
  NOTE_C5, NOTE_C5, NOTE_D5, NOTE_D5, NOTE_AS5, NOTE_A5, NOTE_G5, NOTE_F5, NOTE_C6, NOTE_G5, NOTE_G5, 0, NOTE_C5, NOTE_D5, NOTE_D5, NOTE_AS5, NOTE_A5, NOTE_G5, NOTE_F5,
  NOTE_F5, NOTE_G5, NOTE_A5, NOTE_G5, NOTE_D5, NOTE_E5, NOTE_C6, NOTE_C6, NOTE_F6, NOTE_DS6, NOTE_CS6, NOTE_C6, NOTE_AS5, NOTE_GS5, NOTE_G5, NOTE_F5, NOTE_C6
};

int durations[] = {
  8, 8, 8, 2, 2, 8, 8, 8, 2, 4, 8, 8, 8, 2, 4, 8, 8, 8, 2, 8, 8, 8, 2, 2, 8, 8, 8, 2, 4, 8, 8, 8, 2, 4, 8, 8, 8, 2, 8, 16, 4, 8, 8, 8, 8,  8, 8, 8, 8, 4, 8, 4, 8, 
  16, 4, 8, 8, 8, 8, 8, 8, 16, 2, 8, 8, 4, 8, 8, 8, 8, 8, 8, 8, 8, 4, 8, 4, 8, 16, 4, 8, 4, 8, 4, 8, 4, 8, 1
};

int incomingByte = 0;

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  
  Serial1.begin(115200);
  Serial1.println("Press ENTER to start!");

  delay(500);
  
  // Wait until a newline character is received
  while (incomingByte != '\n') {
    if (Serial1.available() > 0) {
      incomingByte = Serial1.read();
    }
  }
}

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

  for (int i = 0; i < 1; i++){
    for (int note = 0; note < size; note++) {
      //to calculate the note duration, take one second divided by the note type.
      //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
      int duration = 1000 / durations[note];
      tone(BUZZER_PIN, melody[note], duration);

      //to distinguish the notes, set a minimum time between them.
      //the note's duration + 30% seems to work well:
      int pauseBetweenNotes = duration * 1.30;
      delay(pauseBetweenNotes);

      //stop the tone playing:
      noTone(BUZZER_PIN);
    }
  }

  while(1);// wait for 500 milliseconds
}