#include "tones.h"
#define SPEAKER_PIN 4 // Define the pin your speaker is connected to, modify as per your setup

void setup() {
  pinMode(SPEAKER_PIN, OUTPUT); // Set speaker pin to output mode
}

void p(unsigned int freq, unsigned int delay_ms,boolean skipDelay = false) {
  tone(SPEAKER_PIN, freq); // play tone on SPEAKER_PIN at freq (in Hz)
  if (!skipDelay) {

    delay(delay_ms); // sound duration
    noTone(SPEAKER_PIN); // stop sound
  }
}

void loop() {
  p(NOTE_F3, 200);
  delay(200);
  
  p(NOTE_A3, 200, true);
  p(NOTE_C4, 200);
  delay(200);
  
  p(NOTE_A3, 200, true);
  p(NOTE_C4, 200);
  delay(200);
}