/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2016 Edouard Griffiths, F4EXB // // Copyright (C) 2023 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 . // /////////////////////////////////////////////////////////////////////////////////// #include #include #include #include #include #include #include #include #include "rttydemodgui.h" #include "device/deviceuiset.h" #include "dsp/dspengine.h" #include "dsp/dspcommands.h" #include "ui_rttydemodgui.h" #include "plugin/pluginapi.h" #include "util/simpleserializer.h" #include "util/db.h" #include "util/rtty.h" #include "gui/basicchannelsettingsdialog.h" #include "gui/devicestreamselectiondialog.h" #include "dsp/dspengine.h" #include "dsp/glscopesettings.h" #include "gui/crightclickenabler.h" #include "gui/tabletapandhold.h" #include "gui/dialogpositioner.h" #include "channel/channelwebapiutils.h" #include "feature/featurewebapiutils.h" #include "maincore.h" #include "rttydemod.h" #include "rttydemodsink.h" RttyDemodGUI* RttyDemodGUI::create(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel) { RttyDemodGUI* gui = new RttyDemodGUI(pluginAPI, deviceUISet, rxChannel); return gui; } void RttyDemodGUI::destroy() { delete this; } void RttyDemodGUI::resetToDefaults() { m_settings.resetToDefaults(); displaySettings(); applySettings(true); } QByteArray RttyDemodGUI::serialize() const { return m_settings.serialize(); } bool RttyDemodGUI::deserialize(const QByteArray& data) { if(m_settings.deserialize(data)) { displaySettings(); applySettings(true); return true; } else { resetToDefaults(); return false; } } void RttyDemodGUI::characterReceived(QString c) { // Is the scroll bar at the bottom? int scrollPos = ui->text->verticalScrollBar()->value(); bool atBottom = scrollPos >= ui->text->verticalScrollBar()->maximum(); // Move cursor to end where we want to append new text // (user may have moved it by clicking / highlighting text) ui->text->moveCursor(QTextCursor::End); // Restore scroll position ui->text->verticalScrollBar()->setValue(scrollPos); if ((c == '\r') && (m_previousChar[1] == '\r') && m_settings.m_suppressCRLF) { // Don't insert yet } else if ((c == '\n') && (m_previousChar[0] == '\r') && (m_previousChar[1] == '\r') && m_settings.m_suppressCRLF) { // Change \r\r\n to \r } else if ((c != '\n') && (m_previousChar[0] == '\r') && (m_previousChar[1] == '\r') && m_settings.m_suppressCRLF) { ui->text->insertPlainText("\r"); // Insert \r we skipped ui->text->insertPlainText(c); } else if (c == '\b') { ui->text->textCursor().deletePreviousChar(); } else { ui->text->insertPlainText(c); } // Scroll to bottom, if we we're previously at the bottom if (atBottom) { ui->text->verticalScrollBar()->setValue(ui->text->verticalScrollBar()->maximum()); } // Save last 2 previous characters m_previousChar[0] = m_previousChar[1]; m_previousChar[1] = c; } bool RttyDemodGUI::handleMessage(const Message& message) { if (RttyDemod::MsgConfigureRttyDemod::match(message)) { qDebug("RttyDemodGUI::handleMessage: RttyDemod::MsgConfigureRttyDemod"); const RttyDemod::MsgConfigureRttyDemod& cfg = (RttyDemod::MsgConfigureRttyDemod&) message; m_settings = cfg.getSettings(); blockApplySettings(true); ui->scopeGUI->updateSettings(); m_channelMarker.updateSettings(static_cast(m_settings.m_channelMarker)); displaySettings(); blockApplySettings(false); return true; } else if (DSPSignalNotification::match(message)) { DSPSignalNotification& notif = (DSPSignalNotification&) message; m_deviceCenterFrequency = notif.getCenterFrequency(); m_basebandSampleRate = notif.getSampleRate(); ui->deltaFrequency->setValueRange(false, 7, -m_basebandSampleRate/2, m_basebandSampleRate/2); ui->deltaFrequencyLabel->setToolTip(tr("Range %1 %L2 Hz").arg(QChar(0xB1)).arg(m_basebandSampleRate/2)); updateAbsoluteCenterFrequency(); return true; } else if (RttyDemod::MsgCharacter::match(message)) { RttyDemod::MsgCharacter& report = (RttyDemod::MsgCharacter&) message; QString c = report.getCharacter(); characterReceived(c); return true; } else if (RttyDemod::MsgModeEstimate::match(message)) { RttyDemod::MsgModeEstimate& report = (RttyDemod::MsgModeEstimate&) message; ui->baudRate->setToolTip(QString("Baud rate (symbols per second)\n\nEstimate: %1 baud").arg(report.getBaudRate())); ui->frequencyShift->setToolTip(QString("Frequency shift in Hz (Difference between mark and space frequency)\n\nEstimate: %1 Hz").arg(report.getFrequencyShift())); ui->modeEst->setText(QString("%1/%2").arg(report.getBaudRate()).arg(report.getFrequencyShift())); return true; } return false; } void RttyDemodGUI::handleInputMessages() { Message* message; while ((message = getInputMessageQueue()->pop()) != 0) { if (handleMessage(*message)) { delete message; } } } void RttyDemodGUI::channelMarkerChangedByCursor() { ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency()); m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency(); applySettings(); } void RttyDemodGUI::channelMarkerHighlightedByCursor() { setHighlighted(m_channelMarker.getHighlighted()); } void RttyDemodGUI::on_deltaFrequency_changed(qint64 value) { m_channelMarker.setCenterFrequency(value); m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency(); updateAbsoluteCenterFrequency(); applySettings(); } void RttyDemodGUI::on_rfBW_valueChanged(int value) { float bw = value; ui->rfBWText->setText(formatFrequency((int)bw)); m_channelMarker.setBandwidth(bw); m_settings.m_rfBandwidth = bw; applySettings(); } void RttyDemodGUI::on_baudRate_currentIndexChanged(int index) { (void) index; m_settings.m_baudRate = ui->baudRate->currentText().toFloat(); applySettings(); } void RttyDemodGUI::on_frequencyShift_valueChanged(int value) { ui->frequencyShiftText->setText(formatFrequency(value)); m_settings.m_frequencyShift = value; applySettings(); } void RttyDemodGUI::on_squelch_valueChanged(int value) { ui->squelchText->setText(QString("%1 dB").arg(value)); m_settings.m_squelch = value; applySettings(); } void RttyDemodGUI::on_characterSet_currentIndexChanged(int index) { m_settings.m_characterSet = (Baudot::CharacterSet) index; applySettings(); } void RttyDemodGUI::on_suppressCRLF_clicked(bool checked) { m_settings.m_suppressCRLF = checked; applySettings(); } void RttyDemodGUI::on_mode_currentIndexChanged(int index) { (void) index; QString mode = ui->mode->currentText(); bool custom = mode == "Custom"; if (!custom) { QStringList settings = mode.split("/"); int baudRate = settings[0].toInt(); int frequencyShift = settings[1].toInt(); int bandwidth = frequencyShift * 2 + baudRate; ui->baudRate->setCurrentText(settings[0]); ui->frequencyShift->setValue(frequencyShift); ui->rfBW->setValue(bandwidth); } ui->baudRateLabel->setEnabled(custom); ui->baudRate->setEnabled(custom); ui->frequencyShiftLabel->setEnabled(custom); ui->frequencyShift->setEnabled(custom); ui->frequencyShiftText->setEnabled(custom); ui->rfBWLabel->setEnabled(custom); ui->rfBW->setEnabled(custom); ui->rfBWText->setEnabled(custom); //m_settings.m_mode = index; applySettings(); } void RttyDemodGUI::on_filter_currentIndexChanged(int index) { m_settings.m_filter = (RttyDemodSettings::FilterType)index; applySettings(); } void RttyDemodGUI::on_atc_clicked(bool checked) { m_settings.m_atc = checked; applySettings(); } void RttyDemodGUI::on_endian_clicked(bool checked) { m_settings.m_msbFirst = checked; if (checked) { ui->endian->setText("MSB"); } else { ui->endian->setText("LSB"); } applySettings(); } void RttyDemodGUI::on_spaceHigh_clicked(bool checked) { m_settings.m_spaceHigh = checked; if (checked) { ui->spaceHigh->setText("M-S"); } else { ui->spaceHigh->setText("S-M"); } applySettings(); } void RttyDemodGUI::on_unshiftOnSpace_clicked(bool checked) { m_settings.m_unshiftOnSpace = checked; applySettings(); } void RttyDemodGUI::on_clearTable_clicked() { ui->text->clear(); } void RttyDemodGUI::on_udpEnabled_clicked(bool checked) { m_settings.m_udpEnabled = checked; applySettings(); } void RttyDemodGUI::on_udpAddress_editingFinished() { m_settings.m_udpAddress = ui->udpAddress->text(); applySettings(); } void RttyDemodGUI::on_udpPort_editingFinished() { m_settings.m_udpPort = ui->udpPort->text().toInt(); applySettings(); } void RttyDemodGUI::on_channel1_currentIndexChanged(int index) { m_settings.m_scopeCh1 = index; applySettings(); } void RttyDemodGUI::on_channel2_currentIndexChanged(int index) { m_settings.m_scopeCh2 = index; applySettings(); } void RttyDemodGUI::onWidgetRolled(QWidget* widget, bool rollDown) { (void) widget; (void) rollDown; getRollupContents()->saveState(m_rollupState); applySettings(); } void RttyDemodGUI::onMenuDialogCalled(const QPoint &p) { if (m_contextMenuType == ContextMenuChannelSettings) { BasicChannelSettingsDialog dialog(&m_channelMarker, this); dialog.setUseReverseAPI(m_settings.m_useReverseAPI); dialog.setReverseAPIAddress(m_settings.m_reverseAPIAddress); dialog.setReverseAPIPort(m_settings.m_reverseAPIPort); dialog.setReverseAPIDeviceIndex(m_settings.m_reverseAPIDeviceIndex); dialog.setReverseAPIChannelIndex(m_settings.m_reverseAPIChannelIndex); dialog.setDefaultTitle(m_displayedName); if (m_deviceUISet->m_deviceMIMOEngine) { dialog.setNumberOfStreams(m_rttyDemod->getNumberOfDeviceStreams()); dialog.setStreamIndex(m_settings.m_streamIndex); } dialog.move(p); new DialogPositioner(&dialog, false); dialog.exec(); m_settings.m_rgbColor = m_channelMarker.getColor().rgb(); m_settings.m_title = m_channelMarker.getTitle(); m_settings.m_useReverseAPI = dialog.useReverseAPI(); m_settings.m_reverseAPIAddress = dialog.getReverseAPIAddress(); m_settings.m_reverseAPIPort = dialog.getReverseAPIPort(); m_settings.m_reverseAPIDeviceIndex = dialog.getReverseAPIDeviceIndex(); m_settings.m_reverseAPIChannelIndex = dialog.getReverseAPIChannelIndex(); setWindowTitle(m_settings.m_title); setTitle(m_channelMarker.getTitle()); setTitleColor(m_settings.m_rgbColor); if (m_deviceUISet->m_deviceMIMOEngine) { m_settings.m_streamIndex = dialog.getSelectedStreamIndex(); m_channelMarker.clearStreamIndexes(); m_channelMarker.addStreamIndex(m_settings.m_streamIndex); updateIndexLabel(); } applySettings(); } resetContextMenuType(); } RttyDemodGUI::RttyDemodGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSink *rxChannel, QWidget* parent) : ChannelGUI(parent), ui(new Ui::RttyDemodGUI), m_pluginAPI(pluginAPI), m_deviceUISet(deviceUISet), m_channelMarker(this), m_deviceCenterFrequency(0), m_doApplySettings(true), m_tickCount(0) { setAttribute(Qt::WA_DeleteOnClose, true); m_helpURL = "plugins/channelrx/demodrtty/readme.md"; RollupContents *rollupContents = getRollupContents(); ui->setupUi(rollupContents); setSizePolicy(rollupContents->sizePolicy()); rollupContents->arrangeRollups(); connect(rollupContents, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool))); connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &))); m_rttyDemod = reinterpret_cast(rxChannel); m_rttyDemod->setMessageQueueToGUI(getInputMessageQueue()); connect(&MainCore::instance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick())); // 50 ms ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03))); ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold)); ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999); ui->channelPowerMeter->setColorTheme(LevelMeterSignalDB::ColorGreenAndBlue); m_scopeVis = m_rttyDemod->getScopeSink(); m_scopeVis->setGLScope(ui->glScope); ui->glScope->connectTimer(MainCore::instance()->getMasterTimer()); ui->scopeGUI->setBuddies(m_scopeVis->getInputMessageQueue(), m_scopeVis, ui->glScope); // Scope settings to display the IQ waveforms ui->scopeGUI->setPreTrigger(1); GLScopeSettings::TraceData traceDataI, traceDataQ; traceDataI.m_projectionType = Projector::ProjectionReal; traceDataI.m_amp = 1.0; // for -1 to +1 traceDataI.m_ofs = 0.0; // vertical offset traceDataQ.m_projectionType = Projector::ProjectionImag; traceDataQ.m_amp = 1.0; traceDataQ.m_ofs = 0.0; ui->scopeGUI->changeTrace(0, traceDataI); ui->scopeGUI->addTrace(traceDataQ); ui->scopeGUI->setDisplayMode(GLScopeSettings::DisplayXYV); ui->scopeGUI->focusOnTrace(0); // re-focus to take changes into account in the GUI GLScopeSettings::TriggerData triggerData; triggerData.m_triggerLevel = 0.1; triggerData.m_triggerLevelCoarse = 10; triggerData.m_triggerPositiveEdge = true; ui->scopeGUI->changeTrigger(0, triggerData); ui->scopeGUI->focusOnTrigger(0); // re-focus to take changes into account in the GUI m_scopeVis->setLiveRate(RttyDemodSettings::RTTYDEMOD_CHANNEL_SAMPLE_RATE); m_scopeVis->configure(500, 1, 0, 0, true); // not working! //m_scopeVis->setFreeRun(false); // FIXME: add method rather than call m_scopeVis->configure() m_channelMarker.blockSignals(true); m_channelMarker.setColor(Qt::yellow); m_channelMarker.setBandwidth(m_settings.m_rfBandwidth); m_channelMarker.setCenterFrequency(m_settings.m_inputFrequencyOffset); m_channelMarker.setTitle("RTTY Demodulator"); m_channelMarker.blockSignals(false); m_channelMarker.setVisible(true); // activate signal on the last setting only setTitleColor(m_channelMarker.getColor()); m_settings.setChannelMarker(&m_channelMarker); m_settings.setScopeGUI(ui->scopeGUI); m_settings.setRollupState(&m_rollupState); m_deviceUISet->addChannelMarker(&m_channelMarker); connect(&m_channelMarker, SIGNAL(changedByCursor()), this, SLOT(channelMarkerChangedByCursor())); connect(&m_channelMarker, SIGNAL(highlightedByCursor()), this, SLOT(channelMarkerHighlightedByCursor())); connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages())); ui->text->addAcronyms(Rtty::m_acronyms); ui->scopeContainer->setVisible(false); // Hide developer only settings ui->filterSettingsWidget->setVisible(false); ui->filterLine->setVisible(false); displaySettings(); makeUIConnections(); applySettings(true); m_resizer.enableChildMouseTracking(); } RttyDemodGUI::~RttyDemodGUI() { delete ui; } void RttyDemodGUI::blockApplySettings(bool block) { m_doApplySettings = !block; } void RttyDemodGUI::applySettings(bool force) { if (m_doApplySettings) { RttyDemod::MsgConfigureRttyDemod* message = RttyDemod::MsgConfigureRttyDemod::create( m_settings, force); m_rttyDemod->getInputMessageQueue()->push(message); } } QString RttyDemodGUI::formatFrequency(int frequency) const { QString suffix = ""; if (width() > 450) { suffix = " Hz"; } return QString("%1%2").arg(frequency).arg(suffix); } void RttyDemodGUI::displaySettings() { m_channelMarker.blockSignals(true); m_channelMarker.setBandwidth(m_settings.m_rfBandwidth); m_channelMarker.setCenterFrequency(m_settings.m_inputFrequencyOffset); m_channelMarker.setTitle(m_settings.m_title); m_channelMarker.blockSignals(false); m_channelMarker.setColor(m_settings.m_rgbColor); // activate signal on the last setting only setTitleColor(m_settings.m_rgbColor); setWindowTitle(m_channelMarker.getTitle()); setTitle(m_channelMarker.getTitle()); blockApplySettings(true); ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency()); ui->mode->setCurrentText("Custom"); ui->rfBWText->setText(formatFrequency((int)m_settings.m_rfBandwidth)); ui->rfBW->setValue(m_settings.m_rfBandwidth); QString baudRate; if (m_settings.m_baudRate < 46.0f && m_settings.m_baudRate > 45.0f) { baudRate = "45.45"; } else { baudRate = QString("%1").arg(m_settings.m_baudRate); } ui->baudRate->setCurrentIndex(ui->baudRate->findText(baudRate)); ui->frequencyShiftText->setText(formatFrequency(m_settings.m_frequencyShift)); ui->frequencyShift->setValue(m_settings.m_frequencyShift); ui->squelchText->setText(QString("%1 dB").arg(m_settings.m_squelch)); ui->squelch->setValue(m_settings.m_squelch); ui->characterSet->setCurrentIndex((int)m_settings.m_characterSet); ui->suppressCRLF->setChecked(m_settings.m_suppressCRLF); ui->filter->setCurrentIndex((int)m_settings.m_filter); ui->atc->setChecked(m_settings.m_atc); ui->endian->setChecked(m_settings.m_msbFirst); if (m_settings.m_msbFirst) { ui->endian->setText("MSB"); } else { ui->endian->setText("LSB"); } ui->spaceHigh->setChecked(m_settings.m_spaceHigh); if (m_settings.m_spaceHigh) { ui->spaceHigh->setText("M-S"); } else { ui->spaceHigh->setText("S-M"); } ui->unshiftOnSpace->setChecked(m_settings.m_unshiftOnSpace); updateIndexLabel(); ui->udpEnabled->setChecked(m_settings.m_udpEnabled); ui->udpAddress->setText(m_settings.m_udpAddress); ui->udpPort->setText(QString::number(m_settings.m_udpPort)); ui->channel1->setCurrentIndex(m_settings.m_scopeCh1); ui->channel2->setCurrentIndex(m_settings.m_scopeCh2); ui->logFilename->setToolTip(QString(".txt log filename: %1").arg(m_settings.m_logFilename)); ui->logEnable->setChecked(m_settings.m_logEnabled); getRollupContents()->restoreState(m_rollupState); updateAbsoluteCenterFrequency(); blockApplySettings(false); } void RttyDemodGUI::leaveEvent(QEvent* event) { m_channelMarker.setHighlighted(false); ChannelGUI::leaveEvent(event); } void RttyDemodGUI::enterEvent(EnterEventType* event) { m_channelMarker.setHighlighted(true); ChannelGUI::enterEvent(event); } void RttyDemodGUI::tick() { double magsqAvg, magsqPeak; int nbMagsqSamples; m_rttyDemod->getMagSqLevels(magsqAvg, magsqPeak, nbMagsqSamples); double powDbAvg = CalcDb::dbPower(magsqAvg); double powDbPeak = CalcDb::dbPower(magsqPeak); ui->channelPowerMeter->levelChanged( (100.0f + powDbAvg) / 100.0f, (100.0f + powDbPeak) / 100.0f, nbMagsqSamples); if (m_tickCount % 4 == 0) { ui->channelPower->setText(QString::number(powDbAvg, 'f', 1)); } m_tickCount++; } void RttyDemodGUI::on_logEnable_clicked(bool checked) { m_settings.m_logEnabled = checked; applySettings(); } void RttyDemodGUI::on_logFilename_clicked() { // Get filename to save to QFileDialog fileDialog(nullptr, "Select file to log received text to", "", "*.txt"); fileDialog.setAcceptMode(QFileDialog::AcceptSave); if (fileDialog.exec()) { QStringList fileNames = fileDialog.selectedFiles(); if (fileNames.size() > 0) { m_settings.m_logFilename = fileNames[0]; ui->logFilename->setToolTip(QString(".txt log filename: %1").arg(m_settings.m_logFilename)); applySettings(); } } } void RttyDemodGUI::makeUIConnections() { QObject::connect(ui->deltaFrequency, &ValueDialZ::changed, this, &RttyDemodGUI::on_deltaFrequency_changed); QObject::connect(ui->rfBW, &QSlider::valueChanged, this, &RttyDemodGUI::on_rfBW_valueChanged); QObject::connect(ui->baudRate, QOverload::of(&QComboBox::currentIndexChanged), this, &RttyDemodGUI::on_baudRate_currentIndexChanged); QObject::connect(ui->frequencyShift, &QSlider::valueChanged, this, &RttyDemodGUI::on_frequencyShift_valueChanged); QObject::connect(ui->squelch, &QDial::valueChanged, this, &RttyDemodGUI::on_squelch_valueChanged); QObject::connect(ui->characterSet, QOverload::of(&QComboBox::currentIndexChanged), this, &RttyDemodGUI::on_characterSet_currentIndexChanged); QObject::connect(ui->suppressCRLF, &ButtonSwitch::clicked, this, &RttyDemodGUI::on_suppressCRLF_clicked); QObject::connect(ui->mode, QOverload::of(&QComboBox::currentIndexChanged), this, &RttyDemodGUI::on_mode_currentIndexChanged); QObject::connect(ui->filter, QOverload::of(&QComboBox::currentIndexChanged), this, &RttyDemodGUI::on_filter_currentIndexChanged); QObject::connect(ui->atc, &QCheckBox::clicked, this, &RttyDemodGUI::on_atc_clicked); QObject::connect(ui->endian, &QCheckBox::clicked, this, &RttyDemodGUI::on_endian_clicked); QObject::connect(ui->spaceHigh, &QCheckBox::clicked, this, &RttyDemodGUI::on_spaceHigh_clicked); QObject::connect(ui->unshiftOnSpace, &QCheckBox::clicked, this, &RttyDemodGUI::on_unshiftOnSpace_clicked); QObject::connect(ui->clearTable, &QPushButton::clicked, this, &RttyDemodGUI::on_clearTable_clicked); QObject::connect(ui->udpEnabled, &QCheckBox::clicked, this, &RttyDemodGUI::on_udpEnabled_clicked); QObject::connect(ui->udpAddress, &QLineEdit::editingFinished, this, &RttyDemodGUI::on_udpAddress_editingFinished); QObject::connect(ui->udpPort, &QLineEdit::editingFinished, this, &RttyDemodGUI::on_udpPort_editingFinished); QObject::connect(ui->logEnable, &ButtonSwitch::clicked, this, &RttyDemodGUI::on_logEnable_clicked); QObject::connect(ui->logFilename, &QToolButton::clicked, this, &RttyDemodGUI::on_logFilename_clicked); QObject::connect(ui->channel1, QOverload::of(&QComboBox::currentIndexChanged), this, &RttyDemodGUI::on_channel1_currentIndexChanged); QObject::connect(ui->channel2, QOverload::of(&QComboBox::currentIndexChanged), this, &RttyDemodGUI::on_channel2_currentIndexChanged); } void RttyDemodGUI::updateAbsoluteCenterFrequency() { setStatusFrequency(m_deviceCenterFrequency + m_settings.m_inputFrequencyOffset); }