mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-26 01:39:05 -05:00
87 lines
3.5 KiB
C++
87 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
|
|
// Copyright (C) 2023 Jon Beniston, M7RCE //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_FREQSCANNERSINK_H
|
|
#define INCLUDE_FREQSCANNERSINK_H
|
|
|
|
#include <QDateTime>
|
|
|
|
#include "dsp/channelsamplesink.h"
|
|
#include "dsp/nco.h"
|
|
#include "dsp/interpolator.h"
|
|
#include "dsp/fftfactory.h"
|
|
#include "dsp/fftengine.h"
|
|
#include "dsp/fftwindow.h"
|
|
#include "util/fixedaverage2d.h"
|
|
#include "util/messagequeue.h"
|
|
|
|
#include "freqscannersettings.h"
|
|
|
|
class ChannelAPI;
|
|
class FreqScanner;
|
|
|
|
class FreqScannerSink : public ChannelSampleSink {
|
|
public:
|
|
FreqScannerSink(FreqScanner *packetDemod);
|
|
~FreqScannerSink();
|
|
|
|
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
|
|
|
|
void applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, int scannerSampleRate, int fftSize, int binsPerChannel, bool force = false);
|
|
void applySettings(const FreqScannerSettings& settings, const QStringList& settingsKeys, bool force = false);
|
|
void setMessageQueueToChannel(MessageQueue *messageQueue) { m_messageQueueToChannel = messageQueue; }
|
|
void setChannel(ChannelAPI *channel) { m_channel = channel; }
|
|
void setCenterFrequency(qint64 centerFrequency) { m_centerFrequency = centerFrequency; }
|
|
|
|
private:
|
|
|
|
FreqScanner *m_freqScanner;
|
|
FreqScannerSettings m_settings;
|
|
ChannelAPI *m_channel;
|
|
int m_channelSampleRate;
|
|
int m_channelFrequencyOffset;
|
|
int m_scannerSampleRate; // Sample rate scanner runs at
|
|
qint64 m_centerFrequency;
|
|
|
|
NCO m_nco;
|
|
Interpolator m_interpolator;
|
|
Real m_interpolatorDistance;
|
|
Real m_interpolatorDistanceRemain;
|
|
|
|
MessageQueue *m_messageQueueToChannel;
|
|
|
|
int m_fftSequence;
|
|
FFTEngine *m_fft;
|
|
int m_fftCounter;
|
|
FFTWindow m_fftWindow;
|
|
int m_fftSize;
|
|
int m_binsPerChannel;
|
|
QDateTime m_fftStartTime;
|
|
FixedAverage2D<Real> m_fftAverage; // magSq average
|
|
QVector<Real> m_magSq;
|
|
int m_averageCount;
|
|
|
|
void processOneSample(Complex &ci);
|
|
MessageQueue *getMessageQueueToChannel() { return m_messageQueueToChannel; }
|
|
Real totalPower(int bin) const;
|
|
Real peakPower(int bin) const;
|
|
Real magSq(int bin) const;
|
|
};
|
|
|
|
#endif // INCLUDE_FREQSCANNERSINK_H
|