MeUltrasonicSensor.h

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#ifndef MeUltrasonicSensor_H
#define MeUltrasonicSensor_H
 
#include <stdint.h>
#include <stdbool.h>
#include <Arduino.h>
#include "MeConfig.h"
 
#ifdef ME_PORT_DEFINED
#include "MePort.h"
#endif // ME_PORT_DEFINED
 
#ifndef ME_PORT_DEFINED
class MeUltrasonicSensor
#else // !ME_PORT_DEFINED
class MeUltrasonicSensor : public MePort
#endif // !ME_PORT_DEFINED
{
public:
#ifdef ME_PORT_DEFINED
  MeUltrasonicSensor(void);
 
  MeUltrasonicSensor(uint8_t port);
#else // ME_PORT_DEFINED
  MeUltrasonicSensor(uint8_t port);
#endif // ME_PORT_DEFINED
 
  void setpin(uint8_t SignalPin);
  
  double distanceCm(uint16_t = 400);
 
  double distanceInch(uint16_t = 180);
 
  long measure(unsigned long = 30000);
private:
  volatile uint8_t  _SignalPin;
  volatile bool _measureFlag;
  volatile long _lastEnterTime;
  volatile float _measureValue;
};
 
#endif