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sdrangel/plugins/channelrx/demodais/aisdemodbaseband.h

101 lines
3.9 KiB
C++

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