MMDVMHost-Private/NullController.h

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/*
* Copyright (C) 2021 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.
*/
#ifndef NullController_H
#define NullController_H
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#include "ModemPort.h"
#include "RingBuffer.h"
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class CNullController : public IModemPort {
public:
CNullController();
virtual ~CNullController();
virtual bool open();
virtual int read(unsigned char* buffer, unsigned int length);
virtual int write(const unsigned char* buffer, unsigned int length);
virtual void close();
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#if defined(__APPLE__)
int setNonblock(bool nonblock) { return 0; }
#endif
private:
CRingBuffer<unsigned char> m_buffer;
void writeVersion();
void writeStatus();
void writeAck(unsigned char type);
};
#endif