#define BUZZ PA1 // Buzzer Pin
#define LED PC13 // LED Pin
#define FSA PB12 // Footswitch A Pin
#define FSB PB13 // Footswitch B Pin
#define FSC PB14 // Footswitch C Pin
#define FSD PB15 // Footswitch D Pin
#define FSE PA11 // Footswitch E Pin
#define FS0 PA12 // Footswitch 0 Pin
#define EC_CLK PA8 // Encoder CLK Pin
#define EC_DT  PA9 // Encoder DT Pin

// Variable & Const
const int dotDuration = 50;
const int dashDuration = dotDuration * 5;
const int beepFreq = 550;

void setup() {

// Input Pin
pinMode(FSA, INPUT_PULLUP);
pinMode(FSB, INPUT_PULLUP);
pinMode(FSC, INPUT_PULLUP);
pinMode(FSD, INPUT_PULLUP);
pinMode(FSE, INPUT_PULLUP);
pinMode(FS0, INPUT_PULLUP);

// Output Pin
pinMode(BUZZ, OUTPUT);
pinMode(LED, OUTPUT);

//Ignitions
beep(".-- . .-.. -.-. --- -- ."); 

}

void loop() {
  if (digitalRead(FSA) == LOW) {
    // Jika FSA aktif, panggil fungsi untuk melakukan beep satu kali
    beep(".");
    // Tambahkan penundaan untuk menghindari beberapa detik beep yang terus-menerus
    delay(100);
  }
}

// Custom Function
void beep(String message) {
  for (int i = 0; i < message.length(); i++) {
    char character = message.charAt(i);
    switch (character) {
      case '.':
        beepDot();
        break;
      case '-':
        beepDash();
        break;
      case ' ':
        delay(dotDuration * 2);
        break;
    }
    delay(dotDuration * 2);
  }
}

void beepDot() {
  tone(BUZZ, beepFreq, dotDuration);
  digitalWrite(LED, HIGH);
  delay(dotDuration * 2);
  digitalWrite(LED, LOW);
  noTone(BUZZ);
}

void beepDash() {
  tone(BUZZ, beepFreq, dotDuration * 3);
  digitalWrite(LED, HIGH);
  delay(dotDuration * 2);
  digitalWrite(LED, LOW);
  noTone(BUZZ);
}