// Joystick pinleri
#define JOY_X 34
#define JOY_Y 35
#define JOY_SW 32

// LED pinleri
#define LED_UP     15
#define LED_DOWN   2
#define LED_LEFT   4
#define LED_RIGHT  5
#define LED_BUTTON 18

void setup() {
  Serial.begin(115200);

  pinMode(LED_UP, OUTPUT);
  pinMode(LED_DOWN, OUTPUT);
  pinMode(LED_LEFT, OUTPUT);
  pinMode(LED_RIGHT, OUTPUT);
  pinMode(LED_BUTTON, OUTPUT);

  pinMode(JOY_X, INPUT);
  pinMode(JOY_Y, INPUT);

  // Joystick butonu için dahili pull-up
  pinMode(JOY_SW, INPUT_PULLUP);
}

void loop() {
  int xVal = analogRead(JOY_X);
  int yVal = analogRead(JOY_Y);
  int swVal = digitalRead(JOY_SW);

  // Tüm LED'leri kapat
  digitalWrite(LED_UP, LOW);
  digitalWrite(LED_DOWN, LOW);
  digitalWrite(LED_LEFT, LOW);
  digitalWrite(LED_RIGHT, LOW);
  digitalWrite(LED_BUTTON, LOW);

  // YUKARI
  if (yVal > 3000) {
    digitalWrite(LED_UP, HIGH);
  }
  // AŞAĞI
  else if (yVal < 1000) {
    digitalWrite(LED_DOWN, HIGH);
  }

  // SOL
  if (xVal < 1000) {
    digitalWrite(LED_LEFT, HIGH);
  }
  // SAĞ
  else if (xVal > 3000) {
    digitalWrite(LED_RIGHT, HIGH);
  }

  // BUTONA BASILINCA → LED5 yanar
  if (swVal == LOW) {  
    digitalWrite(LED_BUTTON, HIGH);
  }

  delay(40);
}