//===========================
//https://alexgyver.ru/arduino-algorithms/#:~:text=Макрос%20таймера%20на%20миллис
#define EVERY_MS(name, x) \
  static uint32_t name;\
  bool flag = millis() - name >= (x);\
  if (flag) name += (x);\
  if (flag)
//===========================
class Anemometer {
    public:
    /***************Settings*****************/
    void setPin(byte pin) {
      pinMode(pin, INPUT_PULLUP);
      _pin = pin;
    }

    byte getPin() {
      return _pin;
    }

    void setName(String name) {
      _name = name;
    }

    String getName() {
      return _name;
    }

    void attachUpdate(void (*f)(String name, String val)) {
      _onUpdFunc = f;
    }
    /*************End Settings***************/

    /****************Values******************/
    int getSpeed() {
      return _speed;
    }
    /**************End Values****************/

    /****************Tick********************/
    void tick() {
      static bool v = false;
      bool st = digitalRead(_pin);
      if(v && !st) _count++;
      v = st;

      EVERY_MS(s, 1000) {
        _speed = _count;// / 1.5;// / 10.0 * 2.4 / 3.6; // Количество импульсов/10 секунд и переводим км/ч в м/с
        _count = 0;
        _onUpdFunc(String(_name + ".wind_speed"), String(_speed));
      }
    }
    /**************END Tick******************/

    private:
    String _name = "anemometer";
    byte _pin = 0;
    void (*_onUpdFunc)(String name, String val) = [](String name, String val){};
    int _count = 0;
    int _speed = 0;
};

Anemometer test;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  test.setPin(2);
  test.attachUpdate([](String n, String v) {
    Serial.print(n);
    Serial.print(" ");
    Serial.println(v);
  });
}

void loop() {
  // put your main code here, to run repeatedly:
  test.tick();
  delay(10); // this speeds up the simulation
}