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137 lines
5.3 KiB
C++
137 lines
5.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 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_INTERFEROMETERBASEBAND_H
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#define INCLUDE_INTERFEROMETERBASEBAND_H
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#include <QObject>
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#include <QMutex>
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#include "dsp/samplemififo.h"
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#include "util/messagequeue.h"
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#include "interferometerstreamsink.h"
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#include "interferometercorr.h"
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class DownChannelizer;
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class BasebandSampleSink;
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class InterferometerBaseband : public QObject
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{
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Q_OBJECT
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public:
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class MsgConfigureChannelizer : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getLog2Decim() const { return m_log2Decim; }
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int getFilterChainHash() const { return m_filterChainHash; }
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static MsgConfigureChannelizer* create(unsigned int log2Decim, unsigned int filterChainHash) {
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return new MsgConfigureChannelizer(log2Decim, filterChainHash);
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}
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private:
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unsigned int m_log2Decim;
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unsigned int m_filterChainHash;
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MsgConfigureChannelizer(unsigned int log2Decim, unsigned int filterChainHash) :
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Message(),
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m_log2Decim(log2Decim),
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m_filterChainHash(filterChainHash)
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{ }
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};
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class MsgConfigureCorrelation : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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InterferometerSettings::CorrelationType getCorrelationType() const { return m_correlationType; }
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static MsgConfigureCorrelation *create(InterferometerSettings::CorrelationType correlationType) {
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return new MsgConfigureCorrelation(correlationType);
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}
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private:
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InterferometerSettings::CorrelationType m_correlationType;
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MsgConfigureCorrelation(InterferometerSettings::CorrelationType correlationType) :
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Message(),
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m_correlationType(correlationType)
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{}
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};
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class MsgSignalNotification : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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int getInputSampleRate() const { return m_inputSampleRate; }
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qint64 getCenterFrequency() const { return m_centerFrequency; }
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int getStreamIndex() const { return m_streamIndex; }
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static MsgSignalNotification* create(int inputSampleRate, qint64 centerFrequency, int streamIndex) {
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return new MsgSignalNotification(inputSampleRate, centerFrequency, streamIndex);
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}
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private:
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int m_inputSampleRate;
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qint64 m_centerFrequency;
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int m_streamIndex;
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MsgSignalNotification(int inputSampleRate, qint64 centerFrequency, int streamIndex) :
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Message(),
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m_inputSampleRate(inputSampleRate),
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m_centerFrequency(centerFrequency),
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m_streamIndex(streamIndex)
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{ }
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};
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InterferometerBaseband(int fftSize);
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~InterferometerBaseband();
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void reset();
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MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
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void setSpectrumSink(BasebandSampleSink *spectrumSink) { m_spectrumSink = spectrumSink; }
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void setScopeSink(BasebandSampleSink *scopeSink) { m_scopeSink = scopeSink; }
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void setPhase(int phase) { m_correlator.setPhase(phase); }
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void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, unsigned int streamIndex);
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void setBasebandSampleRate(unsigned int sampleRate);
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private:
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void processFifo(const std::vector<SampleVector>& data, unsigned int ibegin, unsigned int iend);
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void run();
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bool handleMessage(const Message& cmd);
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InterferometerCorrelator m_correlator;
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SampleMIFifo m_sampleMIFifo;
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std::vector<SampleVector::const_iterator> m_vbegin;
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int m_sizes[2];
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InterferometerStreamSink m_sinks[2];
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DownChannelizer *m_channelizers[2];
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BasebandSampleSink *m_spectrumSink;
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BasebandSampleSink *m_scopeSink;
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MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
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QMutex m_mutex;
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unsigned int m_lastStream;
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private slots:
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void handleInputMessages();
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void handleData(); //!< Handle data when samples have to be processed
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};
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#endif // INCLUDE_INTERFEROMETERBASEBAND_H
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