kopia lustrzana https://github.com/jamescoxon/dl-fldigi
89 wiersze
1.8 KiB
C++
89 wiersze
1.8 KiB
C++
// ----------------------------------------------------------------------------
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// anal.h -- frequency analysis modem
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//
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// Copyright (C) 2006
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// Dave Freese, W1HKJ
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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 _anal_H
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#define _anal_H
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#include <string>
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#include <ctime>
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#include <stdio.h>
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#include "complex.h"
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#include "filters.h"
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#include "fftfilt.h"
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#include "modem.h"
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#define ANAL_SAMPLERATE 8000
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#define FILT_LEN 4 //seconds
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#define PIPE_LEN 120
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#define DSP_CNT 1 //seconds
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#define ANAL_BW 4
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class anal : public modem {
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private:
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double phaseacc;
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fftfilt *bpfilt;
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Cmovavg *ffilt;
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Cmovavg *favg;
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double pipe[PIPE_LEN];
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double prevsymbol;
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cmplx prevsmpl;
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double fout;
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long int wf_freq;
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double dspcnt;
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long int passno;
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struct timespec start_time;
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double elapsed;
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void clear_syncscope();
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inline cmplx mixer(cmplx in);
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int rx(bool bit);
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double nco(double freq);
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void writeFile();
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std::string analysisFilename;
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public:
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anal();
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~anal();
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void init();
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void rx_init();
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void tx_init(SoundBase *sc);
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void restart();
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void start_csv();
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void stop_csv();
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int rx_process(const double *buf, int len);
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int tx_process();
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};
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#endif
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