CommInterface_modbusRTU.h

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#ifndef COMMINTERFACE_MODBUSRTU
#define COMMINTERFACE_MODBUSRTU
#ifdef ARDUINO
    #include <Arduino.h>
    #include <SoftwareSerial.h> 
    typedef SoftwareSerial SoftwareSerial;  // typedef for clang-build
#else   
    #include <mockSoftwareSerial.h>         // include Library to support testing with SoftwareSerial in native-environment 
    #include <mockArduino.h>                // include Library to support testing with Arduino-specific functions in native-environment 
    typedef arduinoMocking::SoftwareSerial SoftwareSerial; // typedef for clang-build
    using namespace arduinoMocking;
#endif
 
#include <CommInterface.h>
 
//#define DEBUG
 
#define MAXFRAMESIZE 256 
 
class CommInterface_modbusRTU: public CommInterface<SoftwareSerial>{
    public:
        CommInterface_modbusRTU(SoftwareSerial* softwareserial ,uint16_t baudrate, char deviceId);
 
        ~CommInterface_modbusRTU();
 
        bool send() override;
 
        bool receive() override;
 
        char getDeviceId();
 
    private:
        const char deviceId;       
 
        unsigned long _charTimeout;                     
 
        unsigned long _frameTimeout;                    
 
        unsigned long _recTimeout = 1000000;            
 
        unsigned long _nullByteSilenece;
 
        void _calculateTimeouts(uint16_t baud);         
 
        size_t _clearRxBuffer();                          
 
};
 
#endif // COMMINTERFACE_MODBUSRTU