n1gp
146 lines
3.5 KiB
C++
146 lines
3.5 KiB
C++
/**
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* @file cusdr_chirpProcessor.h
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* @brief chirp processor header file
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* @author Hermann von Hasseln, DL3HVH
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* @version 0.1
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* @date 2011-09-22
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*/
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/*
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* Copyright 2011 Hermann von Hasseln, DL3HVH
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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 Library General Public License version 2 as
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* published by the Free Software Foundation
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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 Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _CUSDR_CHIRPPROCESSOR_H
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#define _CUSDR_CHIRPPROCESSOR_H
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//#include <QObject>
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//#include <QMutex>
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//#include <QByteArray>
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//#include <QBuffer>
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//#include <QVector>
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//#include <QList>
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//#include <QWaitCondition>
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//#include <QThread>
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#include "cusdr_settings.h"
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#include "QtDSP/qtdsp_qComplex.h"
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#include "QtDSP/qtdsp_filter.h"
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#include "QtDSP/qtdsp_fft.h"
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#ifdef LOG_CHIRP_PROCESSOR
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# define CHIRP_PROCESSOR_DEBUG qDebug().nospace() << "ChirpProcessor::\t"
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#else
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# define CHIRP_PROCESSOR_DEBUG nullDebug()
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#endif
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#define FULL_BUFFERSIZE 16384//65536
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#define HALF_BUFFERSIZE 32768
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#define BUFFERSIZE 2048
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class ChirpProcessor : public QObject {
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Q_OBJECT
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public:
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ChirpProcessor(THPSDRParameter *ioData = 0);
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~ChirpProcessor();
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public slots:
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void stop();
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void processChirpData();
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void generateLocalChirp();
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private slots:
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void matchedFilterFIRFilter(QList<qreal> data);
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void samplingRateChanged(QObject *sender, int value);
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void setSpectras(const float *distance, const float *chirpfft);
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void setDistSpectrumAvgLength(int value);
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void setChirpFFTShow(bool value);
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void setChirpSideband(bool value);
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void setFilterLowerFrequency(int value);
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void setFilterUpperFrequency(int value);
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private:
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Settings *set;
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QMutex m_mutex;
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QString m_message;
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QFFT *m_chirpFFT;
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QFFT *m_matchedFFT;
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QFilter *m_filter;
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CPX m_tmp0;
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CPX m_tmp1;
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CPX m_tmp2;
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CPX m_tmp3;
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CPX m_tmpDec;
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CPX m_cpxRxFFT;
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CPX m_cpxChirpIn;
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CPX m_cpxChirpTmp;
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CPX m_cpxChirpOut;
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CPX m_cpxIn;
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CPX m_cpxInFilt;
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CPX m_cpxOut;
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THPSDRParameter *io;
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QQueue<QVector<float> > average_queue;
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float m_tmpBuf[FULL_BUFFERSIZE];
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float m_outBuf[FULL_BUFFERSIZE];
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float m_spectrumBuffer[FULL_BUFFERSIZE];
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float m_fftSpectrumBuffer[FULL_BUFFERSIZE];
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float m_spectrumBufferFull[FULL_BUFFERSIZE];
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float *m_window;
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volatile bool m_stopped;
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float m_specMax;
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float m_specMin;
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float m_scale;
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int m_sampleRate;
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int m_downSampleRate;
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int m_downRate;
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int m_specBufferSize;
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int m_specAvgLength;
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float m_filterLowerFrequency;
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float m_filterUpperFrequency;
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bool m_switch;
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bool m_showChirpFFT;
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qint64 m_chirpBufferLength;
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qreal m_chirpSidebandFactor;
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void setupConnections();
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void decimate(const CPX &in, CPX &out, int size, int downrate);
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void decimate(const QList<qreal> &data, CPX &out, int downrate);
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void spectrumAveraging(qint64 length, const float *buffer);
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int setSpectrumBufferSize(int size);
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signals:
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void messageEvent(QString message);
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};
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#endif // _CUSDR_CHIRPPROCESSOR_H
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