RD200M.h

/*
 * This is a Arduino Library for
 * FTLab's RD200M Radon Sensor
 *
 * it is inspired by
 * https://github.com/ekyuho/sensors
 *
 * Serial Connection can be established via Hard- or Software-Serial
 *
 */
 
 
#ifndef RD200M_H
#define RD200M_H
#include <Arduino.h>
#include <SoftwareSerial.h>
 
 
class RD200M_interface : public Stream{
public:
    void update(void);
    void reset(void);
    void init(void);
    float _value;
    uint8_t _elapsed;
    uint8_t _up;
    uint8_t _status;
    bool _ready;
 
protected:
    using Print::write; // pull in write(str) and write(buf, size) from Print
    virtual int i_available(void);
    virtual void begin(long b);
private:
    byte req[4] = { 0x02, 0x01, 0x00, 0xFE };
    byte _reset[4] = { 0x02, 0xA0, 0x00, 0xFF-0xA0 };
    int _csum;
    int _state;
 
};
 
class RD200M : public RD200M_interface {
public:
    RD200M(HardwareSerial &serial);
private:
    HardwareSerial* _serial; //Pointer to existing serial object!!
    int i_available(void){return _serial->available();}
    int available(void){return _serial->available();}
    int read(void){ return _serial->read(); }
    void begin(long b){ _serial->begin(b);}
    void end(void){ _serial->end();}
    size_t write(uint8_t b){return _serial->write(b);}
    int peek(void){return _serial->peek();};
    void flush(void){_serial->flush();};
};
 
class RD200MSoftserial : private SoftwareSerial, public RD200M_interface {
public:
    RD200MSoftserial(uint8_t rxPin, uint8_t txPin);
private:
    int i_available(void){return SoftwareSerial::available();}
    int read(void){ return SoftwareSerial::read(); }
    void begin(long b){ SoftwareSerial::begin(b);}
    void end(void){ SoftwareSerial::end();}
    int available(void){return SoftwareSerial::available();}
    size_t write(uint8_t b){return SoftwareSerial::write(b);}
    int peek(void){return SoftwareSerial::peek();};
    void flush(void){SoftwareSerial::flush();};
};
 
#endif