/*
  Arduino | general-help
  t-72b3m — 6/15/24 at 12:36 PM
  i need some help with a projject for father day
  i would like it if someone helped me because i am just
  now getting back into coding and im not the best

  See https://docs.arduino.cc/built-in-examples/digital/toneMelody/
*/

// pin constants
const int BTN_1_PIN = 11;
const int BTN_2_PIN = 10;
const int BTN_3_PIN = 9;
const int BTN_4_PIN = 8;
const int PEIZO_PIN = 2;

// variables will change:
int buttonState1;  // variable for reading the pushbutton status
int buttonState2;
int buttonState3;
int buttonState4;

void setup() {
  pinMode(PEIZO_PIN, OUTPUT);
  pinMode(BTN_1_PIN, INPUT_PULLUP);
  pinMode(BTN_2_PIN, INPUT_PULLUP);
  pinMode(BTN_3_PIN, INPUT_PULLUP);
  pinMode(BTN_4_PIN, INPUT_PULLUP);
}

void loop() {
  // read the state of the pushbuttons
  buttonState1 = digitalRead(BTN_1_PIN);
  buttonState2 = digitalRead(BTN_2_PIN);
  buttonState3 = digitalRead(BTN_3_PIN);
  buttonState4 = digitalRead(BTN_4_PIN);

  if (buttonState1 == LOW) {
    tone(PEIZO_PIN, 110);
  } else {
    noTone(PEIZO_PIN);
  }
  if (buttonState2 == LOW) {
    tone(PEIZO_PIN, 220);
  } else {
    noTone(PEIZO_PIN);
  }
  if (buttonState3 == LOW) {
    tone(PEIZO_PIN, 440);
  } else {
    noTone(PEIZO_PIN);
  }
  if (buttonState4 == LOW) {
    tone(PEIZO_PIN, 880);
  } else {
    noTone(PEIZO_PIN);
  }
}