#pragma once
#include <Arduino.h>

class Sonar {
public:
  Sonar(int sharedPin, long maxDistCm = 400);

  long measure();

  long getDistance() const;

private:
  int _trigPin;
  int _echoPin;
  bool _singlePinMode;
  long _maxDistCm;
  long _lastDistance;

  long _measureSinglePin();
};