2020-04-28 12:44:03 -04:00
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB //
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// //
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// Symbol synchronizer or symbol clock recovery mostly encapsulating //
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// liquid-dsp's symsync "object" //
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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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2014-05-18 11:52:39 -04:00
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#ifndef INCLUDE_SPECTRUMVIS_H
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#define INCLUDE_SPECTRUMVIS_H
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2015-10-21 20:27:56 -04:00
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#include <QMutex>
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#include "dsp/basebandsamplesink.h"
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#include "dsp/fftengine.h"
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#include "dsp/fftwindow.h"
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#include "export.h"
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#include "util/message.h"
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#include "util/movingaverage2d.h"
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#include "util/fixedaverage2d.h"
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#include "util/max2d.h"
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#include "websockets/wsspectrum.h"
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class GLSpectrumInterface;
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class MessageQueue;
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class SDRGUI_API SpectrumVis : public BasebandSampleSink {
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public:
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enum AvgMode
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{
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AvgModeNone,
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AvgModeMovingAvg,
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AvgModeFixedAvg,
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AvgModeMax
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};
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2018-03-03 15:19:59 -05:00
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class MsgConfigureSpectrumVis : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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MsgConfigureSpectrumVis(
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int fftSize,
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float refLevel,
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float powerRange,
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int overlapPercent,
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unsigned int averageNb,
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AvgMode avgMode,
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FFTWindow::Function window,
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bool linear) :
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Message(),
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m_fftSize(fftSize),
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m_overlapPercent(overlapPercent),
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m_refLevel(refLevel),
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m_powerRange(powerRange),
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m_averageNb(averageNb),
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m_avgMode(avgMode),
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m_window(window),
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m_linear(linear)
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{}
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int getFFTSize() const { return m_fftSize; }
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float getRefLevel() const { return m_refLevel; }
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float getPowerRange() const { return m_powerRange; }
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int getOverlapPercent() const { return m_overlapPercent; }
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unsigned int getAverageNb() const { return m_averageNb; }
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SpectrumVis::AvgMode getAvgMode() const { return m_avgMode; }
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FFTWindow::Function getWindow() const { return m_window; }
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bool getLinear() const { return m_linear; }
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private:
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int m_fftSize;
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int m_overlapPercent;
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float m_refLevel;
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float m_powerRange;
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unsigned int m_averageNb;
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SpectrumVis::AvgMode m_avgMode;
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FFTWindow::Function m_window;
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bool m_linear;
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};
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class MsgConfigureDSP : public Message
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{
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MESSAGE_CLASS_DECLARATION
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public:
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MsgConfigureDSP(uint64_t centerFrequency, int sampleRate) :
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Message(),
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m_centerFrequency(centerFrequency),
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m_sampleRate(sampleRate)
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{}
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uint64_t getCenterFrequency() const { return m_centerFrequency; }
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int getSampleRate() const { return m_sampleRate; }
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private:
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uint64_t m_centerFrequency;
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int m_sampleRate;
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};
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class MsgConfigureScalingFactor : public Message
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{
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MESSAGE_CLASS_DECLARATION
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public:
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MsgConfigureScalingFactor(Real scalef) :
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Message(),
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m_scalef(scalef)
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{}
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Real getScalef() const { return m_scalef; }
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private:
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Real m_scalef;
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};
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SpectrumVis(Real scalef, GLSpectrumInterface* glSpectrum = nullptr);
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virtual ~SpectrumVis();
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void configure(MessageQueue* msgQueue,
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int fftSize,
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float refLevel,
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float powerRange,
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int overlapPercent,
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unsigned int averagingNb,
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AvgMode averagingMode,
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FFTWindow::Function window,
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bool m_linear);
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void configureDSP(uint64_t centerFrequency, int sampleRate);
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void setScalef(Real scalef);
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virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly);
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void feedTriggered(const SampleVector::const_iterator& triggerPoint, const SampleVector::const_iterator& end, bool positiveOnly);
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virtual void start();
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virtual void stop();
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virtual bool handleMessage(const Message& message);
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private:
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FFTEngine* m_fft;
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FFTWindow m_window;
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unsigned int m_fftEngineSequence;
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std::vector<Complex> m_fftBuffer;
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std::vector<Real> m_powerSpectrum;
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std::size_t m_fftSize;
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float m_refLevel;
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float m_powerRange;
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std::size_t m_overlapPercent;
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std::size_t m_overlapSize;
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std::size_t m_refillSize;
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std::size_t m_fftBufferFill;
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bool m_needMoreSamples;
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Real m_scalef;
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GLSpectrumInterface* m_glSpectrum;
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WSSpectrum m_wsSpectrum;
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MovingAverage2D<double> m_movingAverage;
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FixedAverage2D<double> m_fixedAverage;
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Max2D<double> m_max;
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unsigned int m_averageNb;
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AvgMode m_avgMode;
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bool m_linear;
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uint64_t m_centerFrequency;
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int m_sampleRate;
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Real m_ofs;
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Real m_powFFTDiv;
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static const Real m_mult;
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2015-10-21 20:27:56 -04:00
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QMutex m_mutex;
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2018-06-30 20:16:59 -04:00
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void handleConfigure(int fftSize,
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float refLevel,
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float powerRange,
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int overlapPercent,
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unsigned int averageNb,
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AvgMode averagingMode,
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2018-07-05 19:34:05 -04:00
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FFTWindow::Function window,
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bool linear);
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void handleConfigureDSP(uint64_t centerFrequency,
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int sampleRate);
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void handleScalef(Real scalef);
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};
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#endif // INCLUDE_SPECTRUMVIS_H
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