#include <ESP32Servo.h>

// Pin tanimlari / Pin definitions
// UYARI: Klasik ESP32'de GPIO1 = UART0 TX / Warning: GPIO1 is UART0 TX
#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
  const int POT_PIN = 1;     // S2/S3: ADC1_CH0 / S2/S3: ADC1_CH0
#else
  const int POT_PIN = 34;    // Klasik ESP32 input-only / Classic input-only
#endif
const int SERVO_PIN = 18;

Servo myServo;

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

  // 12-bit ADC sabitle / Force 12-bit ADC
  analogReadResolution(12);

  // Servo timer ayari / Servo timer setup
  ESP32PWM::allocateTimer(0);
  ESP32PWM::allocateTimer(1);
  ESP32PWM::allocateTimer(2);
  ESP32PWM::allocateTimer(3);

  myServo.setPeriodHertz(50);              // SG90 icin 50 Hz / 50 Hz for SG90
  myServo.attach(SERVO_PIN, 500, 2400);    // Pulse 500-2400us / Pulse 500-2400us

  Serial.println("Servo kontrol hazir!");
}

void loop() {
  int potValue = analogRead(POT_PIN);

  // 0-4095 -> 0-180 derece / 0-4095 -> 0-180 degrees
  int angle = map(potValue, 0, 4095, 0, 180);

  myServo.write(angle);

  Serial.print("Pot: ");
  Serial.print(potValue);
  Serial.print(" -> Aci: ");
  Serial.println(angle);

  delay(15);  // Servo yerlesme bekleme / Servo settle delay
}