56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/*
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* Copyright (C) 2020 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(FMControl_H)
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#define FMControl_H
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#include "FMNetwork.h"
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#include "Defines.h"
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#include "IIRDirectForm1Filter.h"
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// Uncomment this to dump audio to a raw audio file
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// The file will be written in same folder as executable
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// Toplay the file : ffplay -autoexit -f u16be -ar 8000 audiodump.bin
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// #define DUMP_RF_AUDIO
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class CFMControl {
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public:
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CFMControl(CFMNetwork* network);
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~CFMControl();
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bool writeModem(const unsigned char* data, unsigned int length);
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unsigned int readModem(unsigned char* data, unsigned int space);
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void clock(unsigned int ms);
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void enable(bool enabled);
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private:
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CFMNetwork* m_network;
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bool m_enabled;
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CRingBuffer<unsigned char> m_incomingRFAudio;
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CIIRDirectForm1Filter* m_preemphasis;
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CIIRDirectForm1Filter* m_deemphasis;
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CIIRDirectForm1Filter* m_filterStage1;
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CIIRDirectForm1Filter* m_filterStage2;
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CIIRDirectForm1Filter* m_filterStage3;
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};
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#endif
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