Arduino Externer Interrupt 1

// Musik und LED mit Taster an Pin 2 starten

#define c1 261
#define d1 294
#define e1 329
#define f1 349
#define g1 392
#define a1 440
#define b1 493
#define c2 523
#define P 0
#define VIERTEL 500
#define PAUSE 20

// Definitionsblock
#define BUZZER 7
#define TASTERPIN 2
#define INTERRUPT_NUMBER 0
int LED = 6;
int statusLED = LOW;
int songArray[] = {c1, d1, e1, f1, g1, g1, g1, g1};

void songplay() {
  for (int i = 0; i < 8; i++)
  {
    tone(BUZZER, songArray[i]);
    delay(VIERTEL);
    noTone(BUZZER);
    delay(PAUSE); // Kurze Pause zwischen den Tönen
  }
}

void setup() {
  // Pinmodes setzen
  pinMode(BUZZER, OUTPUT);
  pinMode(TASTERPIN, INPUT);
  pinMode(LED, OUTPUT);
  attachInterrupt(INTERRUPT_NUMBER, interruptroutine, RISING);
}

void loop() {
  if (statusLED == HIGH)
  {
    songplay();
  }
}

void interruptroutine() {
  statusLED = !statusLED;
  digitalWrite(LED, statusLED);
}