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Add GS232 Rotator Controller feature plugin. Add altitude and station name to My Positon. Use QtDeploy to ensure all required Qt libraries are included (Should fix OpenGL issues)
158 lines
5.5 KiB
C++
158 lines
5.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// Copyright (C) 2020 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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#include <QDebug>
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#include "dsp/dspengine.h"
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#include "dsp/dspcommands.h"
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#include "dsp/downchannelizer.h"
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#include "adsbdemodbaseband.h"
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#include "adsb.h"
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MESSAGE_CLASS_DEFINITION(ADSBDemodBaseband::MsgConfigureADSBDemodBaseband, Message)
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ADSBDemodBaseband::ADSBDemodBaseband() :
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m_mutex(QMutex::Recursive)
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{
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m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(8000000));
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m_channelizer = new DownChannelizer(&m_sink);
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qDebug("ADSBDemodBaseband::ADSBDemodBaseband");
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QObject::connect(
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&m_sampleFifo,
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&SampleSinkFifo::dataReady,
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this,
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&ADSBDemodBaseband::handleData,
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Qt::QueuedConnection
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);
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connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
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}
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ADSBDemodBaseband::~ADSBDemodBaseband()
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{
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delete m_channelizer;
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}
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void ADSBDemodBaseband::reset()
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_sampleFifo.reset();
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}
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void ADSBDemodBaseband::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end)
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{
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m_sampleFifo.write(begin, end);
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}
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void ADSBDemodBaseband::handleData()
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{
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QMutexLocker mutexLocker(&m_mutex);
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while ((m_sampleFifo.fill() > 0) && (m_inputMessageQueue.size() == 0))
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{
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SampleVector::iterator part1begin;
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SampleVector::iterator part1end;
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SampleVector::iterator part2begin;
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SampleVector::iterator part2end;
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std::size_t count = m_sampleFifo.readBegin(m_sampleFifo.fill(), &part1begin, &part1end, &part2begin, &part2end);
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// first part of FIFO data
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if (part1begin != part1end) {
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m_channelizer->feed(part1begin, part1end);
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}
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// second part of FIFO data (used when block wraps around)
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if(part2begin != part2end) {
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m_channelizer->feed(part2begin, part2end);
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}
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m_sampleFifo.readCommit((unsigned int) count);
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}
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}
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void ADSBDemodBaseband::handleInputMessages()
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{
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Message* message;
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while ((message = m_inputMessageQueue.pop()) != nullptr)
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{
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if (handleMessage(*message)) {
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delete message;
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}
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}
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}
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bool ADSBDemodBaseband::handleMessage(const Message& cmd)
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{
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if (MsgConfigureADSBDemodBaseband::match(cmd))
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{
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QMutexLocker mutexLocker(&m_mutex);
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MsgConfigureADSBDemodBaseband& cfg = (MsgConfigureADSBDemodBaseband&) cmd;
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qDebug() << "ADSBDemodBaseband::handleMessage: MsgConfigureADSBDemodBaseband";
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applySettings(cfg.getSettings(), cfg.getForce());
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return true;
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}
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else if (DSPSignalNotification::match(cmd))
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{
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QMutexLocker mutexLocker(&m_mutex);
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DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
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qDebug() << "ADSBDemodBaseband::handleMessage: DSPSignalNotification: basebandSampleRate: " << notif.getSampleRate();
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m_sampleFifo.setSize(SampleSinkFifo::getSizePolicy(8*notif.getSampleRate())); // Need a large FIFO otherwise we get overflows - revist after better upsampling
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m_channelizer->setBasebandSampleRate(notif.getSampleRate());
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m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
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return true;
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}
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else
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{
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return false;
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}
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}
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void ADSBDemodBaseband::applySettings(const ADSBDemodSettings& settings, bool force)
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{
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if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset)
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|| (settings.m_samplesPerBit != m_settings.m_samplesPerBit) || force)
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{
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int requestedRate = ADS_B_BITS_PER_SECOND * settings.m_samplesPerBit;
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m_channelizer->setChannelization(requestedRate, settings.m_inputFrequencyOffset);
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m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
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}
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m_sink.applySettings(settings, force);
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m_settings = settings;
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}
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int ADSBDemodBaseband::getChannelSampleRate() const
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{
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return m_channelizer->getChannelSampleRate();
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}
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void ADSBDemodBaseband::setBasebandSampleRate(int sampleRate)
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{
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m_channelizer->setBasebandSampleRate(sampleRate);
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m_sink.applyChannelSettings(m_channelizer->getChannelSampleRate(), m_channelizer->getChannelFrequencyOffset());
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}
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