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sdrangel/plugins/channeltx/mod802.15.4/ieee_802_15_4_modgui.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016 Edouard Griffiths, F4EXB //
// Copyright (C) 2020 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDockWidget>
#include <QMainWindow>
#include <QFileDialog>
#include <QTime>
#include <QDebug>
#include <QMessageBox>
#include "device/deviceuiset.h"
#include "plugin/pluginapi.h"
#include "util/simpleserializer.h"
#include "util/db.h"
#include "dsp/spectrumvis.h"
#include "dsp/scopevis.h"
#include "dsp/dspcommands.h"
#include "dsp/dspengine.h"
#include "dsp/glscopesettings.h"
#include "gui/glspectrum.h"
#include "gui/crightclickenabler.h"
#include "gui/basicchannelsettingsdialog.h"
#include "gui/devicestreamselectiondialog.h"
#include "maincore.h"
#include "ui_ieee_802_15_4_modgui.h"
#include "ieee_802_15_4_modgui.h"
#include "ieee_802_15_4_modrepeatdialog.h"
#include "ieee_802_15_4_modtxsettingsdialog.h"
IEEE_802_15_4_ModGUI* IEEE_802_15_4_ModGUI::create(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSource *channelTx)
{
IEEE_802_15_4_ModGUI* gui = new IEEE_802_15_4_ModGUI(pluginAPI, deviceUISet, channelTx);
return gui;
}
void IEEE_802_15_4_ModGUI::destroy()
{
delete this;
}
void IEEE_802_15_4_ModGUI::setName(const QString& name)
{
setObjectName(name);
}
QString IEEE_802_15_4_ModGUI::getName() const
{
return objectName();
}
qint64 IEEE_802_15_4_ModGUI::getCenterFrequency() const {
return m_channelMarker.getCenterFrequency();
}
void IEEE_802_15_4_ModGUI::setCenterFrequency(qint64 centerFrequency)
{
m_channelMarker.setCenterFrequency(centerFrequency);
applySettings();
}
void IEEE_802_15_4_ModGUI::resetToDefaults()
{
m_settings.resetToDefaults();
displaySettings();
applySettings(true);
}
QByteArray IEEE_802_15_4_ModGUI::serialize() const
{
return m_settings.serialize();
}
bool IEEE_802_15_4_ModGUI::deserialize(const QByteArray& data)
{
if(m_settings.deserialize(data)) {
displaySettings();
applySettings(true);
return true;
} else {
resetToDefaults();
return false;
}
}
bool IEEE_802_15_4_ModGUI::handleMessage(const Message& message)
{
if (DSPSignalNotification::match(message))
{
DSPSignalNotification& notif = (DSPSignalNotification&) message;
m_basebandSampleRate = notif.getSampleRate();
m_scopeVis->setLiveRate(m_basebandSampleRate);
checkSampleRate();
return true;
}
else if (IEEE_802_15_4_Mod::MsgConfigureIEEE_802_15_4_Mod::match(message))
{
qDebug("IEEE_802_15_4_ModGUI::handleMessage: MsgConfigureIEEE_802_15_4_Mod");
const IEEE_802_15_4_Mod::MsgConfigureIEEE_802_15_4_Mod& cfg = (IEEE_802_15_4_Mod::MsgConfigureIEEE_802_15_4_Mod&) message;
m_settings = cfg.getSettings();
blockApplySettings(true);
m_channelMarker.updateSettings(static_cast<const ChannelMarker*>(m_settings.m_channelMarker));
displaySettings();
blockApplySettings(false);
return true;
}
else
{
return false;
}
}
void IEEE_802_15_4_ModGUI::channelMarkerChangedByCursor()
{
ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
applySettings();
}
void IEEE_802_15_4_ModGUI::handleSourceMessages()
{
Message* message;
while ((message = getInputMessageQueue()->pop()) != 0)
{
if (handleMessage(*message))
{
delete message;
}
}
}
// Check sample rate is good enough and if not, display a warning in title
void IEEE_802_15_4_ModGUI::checkSampleRate()
{
int cr = m_settings.getChipRate();
if ((m_basebandSampleRate % cr) != 0)
{
ui->chipRateText->setStyleSheet("QLabel { background:rgb(200,50,50); }");
ui->chipRateText->setToolTip(QString("Baseband sample rate %1 S/s is not an integer multiple of chip rate %2 S/s").arg(m_basebandSampleRate).arg(cr));
}
else if ((m_basebandSampleRate / cr) <= 2)
{
ui->chipRateText->setStyleSheet("QLabel { background:rgb(200,50,50); }");
ui->chipRateText->setToolTip(QString("Baseband sample rate %1 S/s is too low for chip rate %2 S/s").arg(m_basebandSampleRate).arg(cr));
}
else
{
ui->chipRateText->setStyleSheet("QLabel { background:rgb(79,79,79); }");
ui->chipRateText->setToolTip("Chip rate");
}
}
void IEEE_802_15_4_ModGUI::on_deltaFrequency_changed(qint64 value)
{
m_channelMarker.setCenterFrequency(value);
m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
applySettings();
}
void IEEE_802_15_4_ModGUI::on_phy_currentIndexChanged(int value)
{
QString phy = ui->phy->currentText();
// If m_doApplySettings is set, we are here from a call to displaySettings,
// so we only want to display the current settings, not update them
// as though a user had selected a new PHY
if (m_doApplySettings)
m_settings.setPHY(phy);
displayRFBandwidth(m_settings.m_rfBandwidth);
ui->rfBW->setValue(m_settings.m_rfBandwidth / 1000.0);
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(m_settings.m_spectrumRate);
displayChipRate(m_settings);
checkSampleRate();
applySettings();
// Remove custom PHY when deselected, as we no longer know how to set it
if (value < 6)
ui->phy->removeItem(6);
}
void IEEE_802_15_4_ModGUI::on_rfBW_valueChanged(int value)
{
float bw = value * 1000.0f;
displayRFBandwidth(bw);
m_channelMarker.setBandwidth(bw);
m_settings.m_rfBandwidth = bw;
applySettings();
}
void IEEE_802_15_4_ModGUI::on_gain_valueChanged(int value)
{
ui->gainText->setText(QString("%1dB").arg(value));
m_settings.m_gain = value;
applySettings();
}
void IEEE_802_15_4_ModGUI::on_channelMute_toggled(bool checked)
{
m_settings.m_channelMute = checked;
applySettings();
}
void IEEE_802_15_4_ModGUI::on_txButton_clicked()
{
transmit();
}
void IEEE_802_15_4_ModGUI::on_frame_returnPressed()
{
transmit();
}
void IEEE_802_15_4_ModGUI::on_frame_editingFinished()
{
m_settings.m_data = ui->frame->text();
applySettings();
}
void IEEE_802_15_4_ModGUI::on_repeat_toggled(bool checked)
{
m_settings.m_repeat = checked;
applySettings();
}
void IEEE_802_15_4_ModGUI::repeatSelect()
{
IEEE_802_15_4_ModRepeatDialog dialog(m_settings.m_repeatDelay, m_settings.m_repeatCount);
if (dialog.exec() == QDialog::Accepted)
{
m_settings.m_repeatDelay = dialog.m_repeatDelay;
m_settings.m_repeatCount = dialog.m_repeatCount;
applySettings();
}
}
void IEEE_802_15_4_ModGUI::txSettingsSelect()
{
IEEE_802_15_4_ModTXSettingsDialog dialog(
m_settings.m_rampUpBits,
m_settings.m_rampDownBits,
m_settings.m_rampRange,
m_settings.m_modulateWhileRamping,
m_settings.m_modulation,
m_settings.m_bitRate,
m_settings.m_pulseShaping,
m_settings.m_beta,
m_settings.m_symbolSpan,
m_settings.m_scramble,
m_settings.m_polynomial,
m_settings.m_lpfTaps,
m_settings.m_bbNoise,
m_settings.m_writeToFile
);
if (dialog.exec() == QDialog::Accepted)
{
m_settings.m_rampUpBits = dialog.m_rampUpBits;
m_settings.m_rampDownBits = dialog.m_rampDownBits;
m_settings.m_rampRange = dialog.m_rampRange;
m_settings.m_modulateWhileRamping = dialog.m_modulateWhileRamping;
m_settings.m_modulation = static_cast<IEEE_802_15_4_ModSettings::Modulation>(dialog.m_modulation);
m_settings.m_bitRate = dialog.m_bitRate;
m_settings.m_pulseShaping = static_cast<IEEE_802_15_4_ModSettings::PulseShaping>(dialog.m_pulseShaping);
m_settings.m_beta = dialog.m_beta;
m_settings.m_symbolSpan = dialog.m_symbolSpan;
m_settings.m_scramble = dialog.m_scramble;
m_settings.m_polynomial = dialog.m_polynomial;
m_settings.m_lpfTaps = dialog.m_lpfTaps;
m_settings.m_bbNoise = dialog.m_bbNoise;
m_settings.m_writeToFile = dialog.m_writeToFile;
displaySettings();
applySettings();
}
}
void IEEE_802_15_4_ModGUI::on_udpEnabled_clicked(bool checked)
{
m_settings.m_udpEnabled = checked;
applySettings();
}
void IEEE_802_15_4_ModGUI::on_udpAddress_editingFinished()
{
m_settings.m_udpAddress = ui->udpAddress->text();
applySettings();
}
void IEEE_802_15_4_ModGUI::on_udpPort_editingFinished()
{
m_settings.m_udpPort = ui->udpPort->text().toInt();
applySettings();
}
void IEEE_802_15_4_ModGUI::on_udpBytesFormat_clicked(bool checked)
{
m_settings.m_udpBytesFormat = checked;
applySettings();
}
void IEEE_802_15_4_ModGUI::onWidgetRolled(QWidget* widget, bool rollDown)
{
(void) widget;
(void) rollDown;
m_settings.m_rollupState = saveState();
applySettings();
}
void IEEE_802_15_4_ModGUI::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.move(p);
dialog.exec();
m_settings.m_inputFrequencyOffset = m_channelMarker.getCenterFrequency();
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);
setTitleColor(m_settings.m_rgbColor);
applySettings();
}
else if ((m_contextMenuType == ContextMenuStreamSettings) && (m_deviceUISet->m_deviceMIMOEngine))
{
DeviceStreamSelectionDialog dialog(this);
dialog.setNumberOfStreams(m_IEEE_802_15_4_Mod->getNumberOfDeviceStreams());
dialog.setStreamIndex(m_settings.m_streamIndex);
dialog.move(p);
dialog.exec();
m_settings.m_streamIndex = dialog.getSelectedStreamIndex();
m_channelMarker.clearStreamIndexes();
m_channelMarker.addStreamIndex(m_settings.m_streamIndex);
displayStreamIndex();
applySettings();
}
resetContextMenuType();
}
IEEE_802_15_4_ModGUI::IEEE_802_15_4_ModGUI(PluginAPI* pluginAPI, DeviceUISet *deviceUISet, BasebandSampleSource *channelTx, QWidget* parent) :
ChannelGUI(parent),
ui(new Ui::IEEE_802_15_4_ModGUI),
m_pluginAPI(pluginAPI),
m_deviceUISet(deviceUISet),
m_channelMarker(this),
m_doApplySettings(true),
m_basebandSampleRate(12000000)
{
ui->setupUi(this);
m_helpURL = "plugins/channeltx/mod802.15.4/readme.md";
setAttribute(Qt::WA_DeleteOnClose, true);
connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));
m_IEEE_802_15_4_Mod = (IEEE_802_15_4_Mod*) channelTx;
m_IEEE_802_15_4_Mod->setMessageQueueToGUI(getInputMessageQueue());
connect(&MainCore::instance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick()));
m_scopeVis = m_IEEE_802_15_4_Mod->getScopeSink();
m_scopeVis->setGLScope(ui->glScope);
ui->glScope->connectTimer(MainCore::instance()->getMasterTimer());
connect(&MainCore::instance()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick())); // 50 ms
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::DisplayPol);
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(m_basebandSampleRate);
//m_scopeVis->setFreeRun(false); // FIXME: add method rather than call m_scopeVis->configure()
m_spectrumVis = m_IEEE_802_15_4_Mod->getSpectrumVis();
m_spectrumVis->setGLSpectrum(ui->glSpectrum);
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(m_settings.m_spectrumRate);
ui->glSpectrum->setSsbSpectrum(false);
ui->glSpectrum->setDisplayCurrent(true);
ui->glSpectrum->setLsbDisplay(false);
ui->glSpectrum->setDisplayWaterfall(false);
ui->glSpectrum->setDisplayMaxHold(false);
ui->glSpectrum->setDisplayHistogram(false);
CRightClickEnabler *repeatRightClickEnabler = new CRightClickEnabler(ui->repeat);
connect(repeatRightClickEnabler, SIGNAL(rightClick(const QPoint &)), this, SLOT(repeatSelect()));
CRightClickEnabler *txRightClickEnabler = new CRightClickEnabler(ui->txButton);
connect(txRightClickEnabler, SIGNAL(rightClick(const QPoint &)), this, SLOT(txSettingsSelect()));
ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03)));
ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999);
m_channelMarker.blockSignals(true);
m_channelMarker.setColor(Qt::red);
m_channelMarker.setBandwidth(12500);
m_channelMarker.setCenterFrequency(0);
m_channelMarker.setTitle("802.15.4 Modulator");
m_channelMarker.setSourceOrSinkStream(false);
m_channelMarker.blockSignals(false);
m_channelMarker.setVisible(true); // activate signal on the last setting only
m_deviceUISet->addChannelMarker(&m_channelMarker);
m_deviceUISet->addRollupWidget(this);
connect(&m_channelMarker, SIGNAL(changedByCursor()), this, SLOT(channelMarkerChangedByCursor()));
connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleSourceMessages()));
m_IEEE_802_15_4_Mod->setLevelMeter(ui->volumeMeter);
m_settings.setChannelMarker(&m_channelMarker);
ui->spectrumGUI->setBuddies(m_spectrumVis, ui->glSpectrum);
displaySettings();
applySettings();
}
IEEE_802_15_4_ModGUI::~IEEE_802_15_4_ModGUI()
{
delete ui;
}
void IEEE_802_15_4_ModGUI::transmit()
{
QString data = ui->frame->text();
ui->transmittedText->appendPlainText(data);
IEEE_802_15_4_Mod::MsgTxHexString *msg = IEEE_802_15_4_Mod::MsgTxHexString::create(data);
m_IEEE_802_15_4_Mod->getInputMessageQueue()->push(msg);
}
void IEEE_802_15_4_ModGUI::blockApplySettings(bool block)
{
m_doApplySettings = !block;
}
void IEEE_802_15_4_ModGUI::applySettings(bool force)
{
if (m_doApplySettings)
{
IEEE_802_15_4_Mod::MsgConfigureIEEE_802_15_4_Mod *msg = IEEE_802_15_4_Mod::MsgConfigureIEEE_802_15_4_Mod::create(m_settings, force);
m_IEEE_802_15_4_Mod->getInputMessageQueue()->push(msg);
}
}
void IEEE_802_15_4_ModGUI::displaySettings()
{
m_channelMarker.blockSignals(true);
m_channelMarker.setCenterFrequency(m_settings.m_inputFrequencyOffset);
m_channelMarker.setTitle(m_settings.m_title);
m_channelMarker.setBandwidth(m_settings.m_rfBandwidth);
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());
displayStreamIndex();
blockApplySettings(true);
ui->deltaFrequency->setValue(m_channelMarker.getCenterFrequency());
if ((m_settings.m_bitRate == 20000)
&& m_settings.m_subGHzBand
&& (m_settings.m_pulseShaping == IEEE_802_15_4_ModSettings::RC)
&& (m_settings.m_modulation == IEEE_802_15_4_ModSettings::BPSK))
ui->phy->setCurrentIndex(0);
else if ((m_settings.m_bitRate == 40000)
&& m_settings.m_subGHzBand
&& (m_settings.m_pulseShaping == IEEE_802_15_4_ModSettings::RC)
&& (m_settings.m_modulation == IEEE_802_15_4_ModSettings::BPSK))
ui->phy->setCurrentIndex(1);
else if ((m_settings.m_bitRate == 100000)
&& m_settings.m_subGHzBand
&& (m_settings.m_modulation == IEEE_802_15_4_ModSettings::OQPSK))
ui->phy->setCurrentIndex(2);
else if ((m_settings.m_bitRate == 250000)
&& m_settings.m_subGHzBand
&& (m_settings.m_pulseShaping == IEEE_802_15_4_ModSettings::SINE)
&& (m_settings.m_modulation == IEEE_802_15_4_ModSettings::OQPSK))
ui->phy->setCurrentIndex(3);
else if ((m_settings.m_bitRate == 250000)
&& m_settings.m_subGHzBand
&& (m_settings.m_pulseShaping == IEEE_802_15_4_ModSettings::RC)
&& (m_settings.m_modulation == IEEE_802_15_4_ModSettings::OQPSK))
ui->phy->setCurrentIndex(4);
else if ((m_settings.m_bitRate == 250000)
&& !m_settings.m_subGHzBand
&& (m_settings.m_pulseShaping == IEEE_802_15_4_ModSettings::SINE)
&& (m_settings.m_modulation == IEEE_802_15_4_ModSettings::OQPSK))
ui->phy->setCurrentIndex(5);
else
{
ui->phy->removeItem(6);
ui->phy->addItem(m_settings.getPHY());
ui->phy->setCurrentIndex(6);
}
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(m_settings.m_spectrumRate);
displayRFBandwidth(m_settings.m_rfBandwidth);
ui->rfBW->setValue(m_settings.m_rfBandwidth / 1000.0);
displayChipRate(m_settings);
ui->gainText->setText(QString("%1").arg((double)m_settings.m_gain, 0, 'f', 1));
ui->gain->setValue(m_settings.m_gain);
ui->channelMute->setChecked(m_settings.m_channelMute);
ui->repeat->setChecked(m_settings.m_repeat);
ui->frame->setText(m_settings.m_data);
ui->udpEnabled->setChecked(m_settings.m_udpEnabled);
ui->udpAddress->setText(m_settings.m_udpAddress);
ui->udpPort->setText(QString::number(m_settings.m_udpPort));
restoreState(m_settings.m_rollupState);
blockApplySettings(false);
}
void IEEE_802_15_4_ModGUI::displayRFBandwidth(int bandwidth)
{
ui->rfBWText->setText(getDisplayValueWithMultiplier(bandwidth));
}
void IEEE_802_15_4_ModGUI::displayChipRate(const IEEE_802_15_4_ModSettings& settings)
{
ui->chipRateText->setText(getDisplayValueWithMultiplier(settings.getChipRate()));
}
QString IEEE_802_15_4_ModGUI::getDisplayValueWithMultiplier(int value)
{
if (value < 1000) {
return QString("%1").arg(value);
} else if (value < 10000) {
return QString("%1k").arg(value / 1000.0, 0, 'f', 2);
} else if (value < 100000) {
return QString("%1k").arg(value / 1000.0, 0, 'f', 1);
} else if (value < 1000000) {
return QString("%1k").arg(value / 1000.0);
} else if (value < 10000000) {
return QString("%1M").arg(value / 1000000.0, 0, 'f', 2);
} else if (value < 100000000) {
return QString("%1M").arg(value / 1000000.0, 0, 'f', 1);
} else {
return QString("%1M").arg(value / 1000000.0);
}
}
void IEEE_802_15_4_ModGUI::displayStreamIndex()
{
if (m_deviceUISet->m_deviceMIMOEngine) {
setStreamIndicator(tr("%1").arg(m_settings.m_streamIndex));
} else {
setStreamIndicator("S"); // single channel indicator
}
}
void IEEE_802_15_4_ModGUI::leaveEvent(QEvent*)
{
m_channelMarker.setHighlighted(false);
}
void IEEE_802_15_4_ModGUI::enterEvent(QEvent*)
{
m_channelMarker.setHighlighted(true);
}
void IEEE_802_15_4_ModGUI::tick()
{
double powDb = CalcDb::dbPower(m_IEEE_802_15_4_Mod->getMagSq());
m_channelPowerDbAvg(powDb);
ui->channelPower->setText(tr("%1 dB").arg(m_channelPowerDbAvg.asDouble(), 0, 'f', 1));
}
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