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98 lines
3.8 KiB
C
98 lines
3.8 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// Copyright (C) 2021 Jon Beniston, M7RCE //
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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_AISDEMODBASEBAND_H
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#define INCLUDE_AISDEMODBASEBAND_H
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#include <QObject>
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#include <QMutex>
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#include "dsp/samplesinkfifo.h"
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#include "util/message.h"
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#include "util/messagequeue.h"
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#include "aisdemodsink.h"
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class DownChannelizer;
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class ChannelAPI;
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class AISDemod;
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class AISDemodBaseband : public QObject
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{
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Q_OBJECT
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public:
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class MsgConfigureAISDemodBaseband : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const AISDemodSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureAISDemodBaseband* create(const AISDemodSettings& settings, bool force)
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{
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return new MsgConfigureAISDemodBaseband(settings, force);
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}
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private:
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AISDemodSettings m_settings;
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bool m_force;
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MsgConfigureAISDemodBaseband(const AISDemodSettings& settings, bool force) :
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Message(),
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m_settings(settings),
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m_force(force)
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{ }
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};
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AISDemodBaseband(AISDemod *aisDemod);
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~AISDemodBaseband();
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void reset();
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void startWork();
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void stopWork();
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void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
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MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
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void getMagSqLevels(double& avg, double& peak, int& nbSamples) {
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m_sink.getMagSqLevels(avg, peak, nbSamples);
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}
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void setMessageQueueToChannel(MessageQueue *messageQueue) { m_sink.setMessageQueueToChannel(messageQueue); }
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void setBasebandSampleRate(int sampleRate);
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void setScopeSink(BasebandSampleSink* scopeSink) { m_sink.setScopeSink(scopeSink); }
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void setChannel(ChannelAPI *channel);
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double getMagSq() const { return m_sink.getMagSq(); }
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bool isRunning() const { return m_running; }
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private:
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SampleSinkFifo m_sampleFifo;
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DownChannelizer *m_channelizer;
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AISDemodSink m_sink;
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MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
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AISDemodSettings m_settings;
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bool m_running;
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QMutex m_mutex;
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bool handleMessage(const Message& cmd);
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void calculateOffset(AISDemodSink *sink);
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void applySettings(const AISDemodSettings& settings, bool force = false);
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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_AISDEMODBASEBAND_H
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