diff options
Diffstat (limited to 'plugins/channel/nfm/nfmdemodgui.cpp')
| -rw-r--r-- | plugins/channel/nfm/nfmdemodgui.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/plugins/channel/nfm/nfmdemodgui.cpp b/plugins/channel/nfm/nfmdemodgui.cpp new file mode 100644 index 0000000..d507cfd --- /dev/null +++ b/plugins/channel/nfm/nfmdemodgui.cpp @@ -0,0 +1,179 @@ +#include <QDockWidget> +#include <QMainWindow> +#include "nfmdemodgui.h" +#include "ui_nfmdemodgui.h" +#include "nfmdemodgui.h" +#include "ui_nfmdemodgui.h" +#include "dsp/threadedsamplesink.h" +#include "dsp/channelizer.h" +#include "nfmdemod.h" +#include "dsp/spectrumvis.h" +#include "gui/glspectrum.h" +#include "plugin/pluginapi.h" +#include "util/simpleserializer.h" + +const int NFMDemodGUI::m_rfBW[] = { + 5000, 6250, 8330, 10000, 12500, 15000, 20000, 25000, 40000 +}; + +NFMDemodGUI* NFMDemodGUI::create(PluginAPI* pluginAPI) +{ + QDockWidget* dock = pluginAPI->createMainWindowDock(Qt::RightDockWidgetArea, tr("NFM Demodulator")); + dock->setObjectName(QString::fromUtf8("NFM Demodulator")); + NFMDemodGUI* gui = new NFMDemodGUI(pluginAPI, dock); + dock->setWidget(gui); + return gui; +} + +void NFMDemodGUI::destroy() +{ + delete m_dockWidget; +} + +void NFMDemodGUI::setWidgetName(const QString& name) +{ + qDebug("NFM: %s", qPrintable(name)); + m_dockWidget->setObjectName(name); +} + +void NFMDemodGUI::resetToDefaults() +{ + ui->rfBW->setValue(4); + ui->afBW->setValue(3); + ui->volume->setValue(20); + ui->squelch->setValue(-40); + applySettings(); +} + +QByteArray NFMDemodGUI::serialize() const +{ + SimpleSerializer s(1); + s.writeS32(1, m_channelMarker->getCenterFrequency()); + s.writeS32(2, ui->rfBW->value()); + s.writeS32(3, ui->afBW->value()); + s.writeS32(4, ui->volume->value()); + s.writeS32(5, ui->squelch->value()); + return s.final(); +} + +bool NFMDemodGUI::deserialize(const QByteArray& data) +{ + SimpleDeserializer d(data); + + if(!d.isValid()) { + resetToDefaults(); + return false; + } + + if(d.getVersion() == 1) { + qint32 tmp; + d.readS32(1, &tmp, 0); + m_channelMarker->setCenterFrequency(tmp); + d.readS32(2, &tmp, 4); + ui->rfBW->setValue(tmp); + d.readS32(3, &tmp, 3); + ui->afBW->setValue(tmp); + d.readS32(4, &tmp, 20); + ui->volume->setValue(tmp); + d.readS32(5, &tmp, -40); + ui->squelch->setValue(tmp); + applySettings(); + return true; + } else { + resetToDefaults(); + return false; + } +} + +bool NFMDemodGUI::handleMessage(Message* message) +{ + return false; +} + +void NFMDemodGUI::viewChanged() +{ + applySettings(); +} + +void NFMDemodGUI::on_rfBW_valueChanged(int value) +{ + ui->rfBWText->setText(QString("%1 kHz").arg(m_rfBW[value] / 1000.0)); + m_channelMarker->setBandwidth(m_rfBW[value]); + applySettings(); +} + +void NFMDemodGUI::on_afBW_valueChanged(int value) +{ + ui->afBWText->setText(QString("%1 kHz").arg(value)); + applySettings(); +} + +void NFMDemodGUI::on_volume_valueChanged(int value) +{ + ui->volumeText->setText(QString("%1").arg(value / 10.0, 0, 'f', 1)); + applySettings(); +} + +void NFMDemodGUI::on_squelch_valueChanged(int value) +{ + ui->squelchText->setText(QString("%1 dB").arg(value)); + applySettings(); +} + +NFMDemodGUI::NFMDemodGUI(PluginAPI* pluginAPI, QDockWidget* dockWidget, QWidget* parent) : + PluginGUI(parent), + ui(new Ui::NFMDemodGUI), + m_pluginAPI(pluginAPI), + m_dockWidget(dockWidget) +{ + ui->setupUi(this); + + m_audioFifo = new AudioFifo(4, 44100 / 4); + m_spectrumVis = new SpectrumVis(ui->glSpectrum); + m_nfmDemod = new NFMDemod(m_audioFifo, m_spectrumVis); + m_channelizer = new Channelizer(m_nfmDemod); + m_threadedSampleSink = new ThreadedSampleSink(m_channelizer); + m_pluginAPI->addAudioSource(m_audioFifo); + m_pluginAPI->addSampleSink(m_threadedSampleSink); + + ui->glSpectrum->setCenterFrequency(0); + ui->glSpectrum->setSampleRate(44100); + ui->glSpectrum->setDisplayWaterfall(true); + ui->glSpectrum->setDisplayMaxHold(true); + m_spectrumVis->configure(m_threadedSampleSink->getMessageQueue(), 64, 10, FFTWindow::BlackmanHarris); + + m_channelMarker = new ChannelMarker(this); + m_channelMarker->setColor(Qt::red); + m_channelMarker->setBandwidth(12500); + m_channelMarker->setCenterFrequency(0); + m_channelMarker->setVisible(true); + connect(m_channelMarker, SIGNAL(changed()), this, SLOT(viewChanged())); + m_pluginAPI->addChannelMarker(m_channelMarker); + + applySettings(); +} + +NFMDemodGUI::~NFMDemodGUI() +{ + m_pluginAPI->removeAudioSource(m_audioFifo); + m_pluginAPI->removeSampleSink(m_threadedSampleSink); + delete m_threadedSampleSink; + delete m_channelizer; + delete m_nfmDemod; + delete m_spectrumVis; + delete m_audioFifo; + delete m_channelMarker; + delete ui; +} + +void NFMDemodGUI::applySettings() +{ + m_channelizer->configure(m_threadedSampleSink->getMessageQueue(), + 44100, + m_channelMarker->getCenterFrequency()); + m_nfmDemod->configure(m_threadedSampleSink->getMessageQueue(), + m_rfBW[ui->rfBW->value()], + ui->afBW->value() * 1000.0, + ui->volume->value() / 10.0, + ui->squelch->value()); +} |