MMDVMHost-Private/M17Control.h

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/*
* Copyright (C) 2020,2021 by Jonathan Naylor G4KLX
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*
* 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.
*/
#if !defined(M17Control_H)
#define M17Control_H
#include "RSSIInterpolator.h"
#include "M17Network.h"
#include "M17Defines.h"
#include "RingBuffer.h"
#include "StopWatch.h"
#include "Display.h"
#include "Defines.h"
#include "M17LSF.h"
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#include "Timer.h"
#include "Modem.h"
#include <string>
class CM17Control {
public:
CM17Control(const std::string& callsign, unsigned int can, bool selfOnly, bool allowEncryption, CM17Network* network, CDisplay* display, unsigned int timeout, bool duplex, CRSSIInterpolator* rssiMapper);
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~CM17Control();
bool writeModem(unsigned char* data, unsigned int len);
unsigned int readModem(unsigned char* data);
void clock(unsigned int ms);
bool isBusy() const;
void enable(bool enabled);
private:
std::string m_callsign;
unsigned int m_can;
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bool m_selfOnly;
bool m_allowEncryption;
CM17Network* m_network;
CDisplay* m_display;
bool m_duplex;
CRingBuffer<unsigned char> m_queue;
RPT_RF_STATE m_rfState;
RPT_NET_STATE m_netState;
CTimer m_rfTimeoutTimer;
CTimer m_netTimeoutTimer;
CTimer m_packetTimer;
CTimer m_networkWatchdog;
CStopWatch m_elapsed;
unsigned int m_rfFrames;
unsigned int m_netFrames;
unsigned int m_rfErrs;
unsigned int m_rfBits;
CM17LSF m_rfLSF;
unsigned int m_rfLSFn;
unsigned int m_rfFN;
CM17LSF m_netLSF;
unsigned int m_netLSFn;
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CRSSIInterpolator* m_rssiMapper;
unsigned char m_rssi;
unsigned char m_maxRSSI;
unsigned char m_minRSSI;
unsigned int m_aveRSSI;
unsigned int m_rssiCount;
bool m_enabled;
FILE* m_fp;
bool processRFHeader(bool lateEntry);
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void writeQueueRF(const unsigned char* data);
void writeQueueNet(const unsigned char* data);
void writeNetwork();
void interleaver(const unsigned char* in, unsigned char* out) const;
void decorrelator(const unsigned char* in, unsigned char* out) const;
bool checkCallsign(const std::string& source) const;
void writeEndRF();
void writeEndNet();
bool openFile();
bool writeFile(const unsigned char* data);
void closeFile();
};
#endif