kopia lustrzana https://github.com/jamescoxon/dl-fldigi
93 wiersze
2.1 KiB
C++
93 wiersze
2.1 KiB
C++
// ----------------------------------------------------------------------------
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// olivia.h
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//
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// Copyright (C) 2006-2010
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// Dave Freese, W1HKJ
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//
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// This file is part of fldigi. Adapted from code contained in gmfsk source code
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// distribution.
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// Copyright (C) 2005
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// Tomi Manninen (oh2bns@sral.fi)
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//
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// This file is part of fldigi.
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//
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// Fldigi 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 3 of the License, or
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// (at your option) any later version.
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//
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// Fldigi 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 fldigi. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#ifndef _OLIVIA_H
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#define _OLIVIA_H
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#include "modem.h"
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#include "jalocha/pj_mfsk.h"
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#include "sound.h"
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#define TONE_DURATION (SCBLOCKSIZE * 16)
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#define SR4 ((TONE_DURATION) / 4)
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class olivia : public modem {
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private:
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MFSK_Transmitter < double >*Tx;
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MFSK_Receiver < double >*Rx;
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double *txfbuffer;
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int txbufferlen;
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double phaseacc;
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cmplx prevsymbol;
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int preamble;
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unsigned int shreg;
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double np;
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double sp;
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double sigpwr;
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double noisepwr;
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int escape;
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int smargin;
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int sinteg;
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int tones;
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int bw;
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double tone_bw;
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int preamblesent;
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int postamblesent;
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double preamblephase;
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double txbasefreq;
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double tone_midfreq;
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double lastfreq;
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double ampshape[SR4];
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double tonebuff[TONE_DURATION];
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double nco(double freq);
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void send_tones();
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public:
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olivia(trx_mode omode = MODE_OLIVIA);
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~olivia();
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void init();
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void rx_init();
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void rx_flush();
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void tx_init(SoundBase *sc);
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void restart();
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int rx_process(const double *buf, int len);
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int tx_process();
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int unescape(int c);
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};
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#endif
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