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56 lines
2.5 KiB
C
56 lines
2.5 KiB
C
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021 Edouard Griffiths, F4EXB //
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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 as version 3 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 V3 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, see <http://www.gnu.org/licenses/>. //
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_DSP_DCSDETECTOR_H_
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#define INCLUDE_DSP_DCSDETECTOR_H_
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#include <QMutex>
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#include "dsp/dsptypes.h"
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#include "util/golay2312.h"
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class DCSDetector {
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public:
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DCSDetector();
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~DCSDetector();
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bool analyze(Real *sample, unsigned int& dcsCode); //!< input signal sample
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void setBitrate(float bitrate);
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void setSampleRate(int sampleRate);
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void setEqWindow(int nbBits);
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private:
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float m_bitsPerSample;
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float m_samplesPerBit;
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float m_bitIndex;
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float m_bitrate;
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float m_sampleRate;
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float *m_eqSamples;
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int m_eqBits;
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int m_eqSize;
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int m_eqIndex;
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float m_high;
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float m_low;
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float m_mid;
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float m_prevSample;
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unsigned int m_dcsWord; //!< 23 bit DCS code word
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Golay2312 m_golay2312;
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QMutex m_mutex;
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};
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#endif // INCLUDE_DSP_DCSDETECTOR_H_
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