NullModem.h

/*
 *   Copyright (C) 2011-2018,2020 by Jonathan Naylor G4KLX
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#pragma once

#include "Modem.h"
#include "Defines.h"

#include <string>


class CNullModem : public CModem {
public:
	CNullModem(const std::string& port, bool duplex, bool rxInvert, bool txInvert, bool pttInvert, unsigned int txDelay, unsigned int dmrDelay, bool trace, bool debug);
	virtual ~CNullModem();

	virtual void setSerialParams(const std::string& protocol, unsigned int address) override {};
	virtual void setRFParams(unsigned int rxFrequency, int rxOffset, unsigned int txFrequency, int txOffset, int txDCOffset, int rxDCOffset, float rfLevel, unsigned int pocsagFrequency) override {};
	virtual void setModeParams(bool dmrEnabled, bool pocsagEnabled, bool fmEnabled) {};
	virtual void setLevels(float rxLevel, float cwIdTXLevel, float dmrTXLevel, float pocsagLevel, float fmTXLevel) {};
	virtual void setDMRParams(unsigned int colorCode) override {};
	virtual void setTransparentDataParams(unsigned int sendFrameType) override {};

	virtual bool open() override;

	virtual bool hasDMR() const override {return true;};
	virtual bool hasPOCSAG() const override {return true;};

	virtual unsigned int readDMRData1(unsigned char* data) override {return 0;};
	virtual unsigned int readDMRData2(unsigned char* data) override {return 0;};
	virtual unsigned int readTransparentData(unsigned char* data) override {return 0;};

	virtual bool hasDMRSpace1() const override {return true;};
	virtual bool hasDMRSpace2() const override {return true;};
	virtual bool hasPOCSAGSpace() const override {return true;};

	virtual bool hasTX() const override {return false;};

	virtual bool hasError() const override {return false;};

	virtual bool writeDMRData1(const unsigned char* data, unsigned int length) override {return true;};
	virtual bool writeDMRData2(const unsigned char* data, unsigned int length) override {return true;};
	virtual bool writePOCSAGData(const unsigned char* data, unsigned int length) override {return true;};

	virtual bool writeTransparentData(const unsigned char* data, unsigned int length) override {return true;};

	virtual bool writeDMRStart(bool tx) override {return true;};
	virtual bool writeDMRShortLC(const unsigned char* lc) override {return true;};
	virtual bool writeDMRAbort(unsigned int slotNo) override {return true;};

	virtual bool setMode(unsigned char mode) override {return true;};

	virtual bool sendCWId(const std::string& callsign) override {return true;};

	virtual const char* getHWType() const override {return m_hwType;};

	virtual void clock(unsigned int ms) override {};

	virtual void close() override {};

private:
	const char*   m_hwType;
};