XTRX input: Make settings assignments atomic. Part of #1329

plugins/samplesource/xtrxinput/xtrxinput.cpp

@@ -198,7 +198,7 @@ void XTRXInput::closeDevice()
 
 void XTRXInput::init()
 {
-    applySettings(m_settings, true, false);
+    applySettings(m_settings, QList<QString>(), true, false);
 }
 
 XTRXInputThread *XTRXInput::findThread()
@@ -353,7 +353,7 @@ bool XTRXInput::start()
     xtrxInputThread->setFifo(requestedChannel, &m_sampleFifo);
     xtrxInputThread->setLog2Decimation(requestedChannel, m_settings.m_log2SoftDecim);
 
-    applySettings(m_settings, true);
+    applySettings(m_settings, QList<QString>(), true);
 
     if (needsStart)
     {
@@ -429,7 +429,7 @@ void XTRXInput::stop()
             ((DeviceXTRXShared*) (*it)->getBuddySharedPtr())->m_source->setThread(nullptr);
         }
 
-        applySettings(m_settings, true);
+        applySettings(m_settings, QList<QString>(), true);
         xtrxInputThread->startWork();
     }
 
@@ -491,12 +491,12 @@ bool XTRXInput::deserialize(const QByteArray& data)
         success = false;
     }
 
-    MsgConfigureXTRX* message = MsgConfigureXTRX::create(m_settings, true);
+    MsgConfigureXTRX* message = MsgConfigureXTRX::create(m_settings, QList<QString>(), true);
     m_inputMessageQueue.push(message);
 
     if (m_guiMessageQueue)
     {
-        MsgConfigureXTRX* messageToGUI = MsgConfigureXTRX::create(m_settings, true);
+        MsgConfigureXTRX* messageToGUI = MsgConfigureXTRX::create(m_settings, QList<QString>(), true);
         m_guiMessageQueue->push(messageToGUI);
     }
 
@@ -556,12 +556,12 @@ void XTRXInput::setCenterFrequency(qint64 centerFrequency)
     XTRXInputSettings settings = m_settings;
     settings.m_centerFrequency = centerFrequency - (m_settings.m_ncoEnable ? m_settings.m_ncoFrequency : 0);
 
-    MsgConfigureXTRX* message = MsgConfigureXTRX::create(settings, false);
+    MsgConfigureXTRX* message = MsgConfigureXTRX::create(settings, QList<QString>{"centerFrequency"}, false);
     m_inputMessageQueue.push(message);
 
     if (m_guiMessageQueue)
     {
-        MsgConfigureXTRX* messageToGUI = MsgConfigureXTRX::create(settings, false);
+        MsgConfigureXTRX* messageToGUI = MsgConfigureXTRX::create(settings, QList<QString>{"centerFrequency"}, false);
         m_guiMessageQueue->push(messageToGUI);
     }
 }
@@ -605,7 +605,7 @@ bool XTRXInput::handleMessage(const Message& message)
         MsgConfigureXTRX& conf = (MsgConfigureXTRX&) message;
         qDebug() << "XTRXInput::handleMessage: MsgConfigureXTRX";
 
-        if (!applySettings(conf.getSettings(), conf.getForce()))
+        if (!applySettings(conf.getSettings(), conf.getSettingsKeys(), conf.getForce()))
         {
             qDebug("XTRXInput::handleMessage config error");
         }
@@ -634,7 +634,7 @@ bool XTRXInput::handleMessage(const Message& message)
                     << " m_log2HardDecim: " << m_settings.m_log2HardDecim;
 
         if (m_settings.m_ncoEnable) { // need to reset NCO after sample rate change
-            applySettings(m_settings, false, true);
+            applySettings(m_settings, QList<QString>{"ncoEnable"}, false, true);
         }
 
         int ncoShift = m_settings.m_ncoEnable ? m_settings.m_ncoFrequency : 0;
@@ -829,11 +829,11 @@ void XTRXInput::apply_gain_pga(double gain)
     }
 }
 
-bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, bool forceNCOFrequency)
+bool XTRXInput::applySettings(const XTRXInputSettings& settings, const QList<QString>& settingsKeys, bool force, bool forceNCOFrequency)
 {
+    qDebug() << "XTRXInput::applySettings: force:" << force << " forceNCOFrequency:" << forceNCOFrequency << settings.getDebugString(settingsKeys, force);
     int requestedChannel = m_deviceAPI->getDeviceItemIndex();
     XTRXInputThread *inputThread = findThread();
-    QList<QString> reverseAPIKeys;
 
     bool forwardChangeOwnDSP = false;
     bool forwardChangeRxDSP  = false;
@@ -848,43 +848,12 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
     bool doGainTia = false;
     bool doGainPga = false;
 
-    // apply settings
+    if (settingsKeys.contains("dcBlock") || settingsKeys.contains("iqCorrection") || force) {
-
-    qDebug() << "XTRXInput::applySettings: center freq: " << settings.m_centerFrequency << " Hz"
-             << " device stream sample rate: " << getDevSampleRate() << "S/s"
-             << " sample rate with soft decimation: " << getSampleRate() << "S/s"
-             << " m_devSampleRate: " << settings.m_devSampleRate
-             << " m_dcBlock: " << settings.m_dcBlock
-             << " m_iqCorrection: " << settings.m_iqCorrection
-             << " m_log2SoftDecim: " << settings.m_log2SoftDecim
-             << " m_gain: " << settings.m_gain
-             << " m_lpfBW: " << settings.m_lpfBW
-             << " m_pwrmode: " << settings.m_pwrmode
-             << " m_ncoEnable: " << settings.m_ncoEnable
-             << " m_ncoFrequency: " << settings.m_ncoFrequency
-             << " m_antennaPath: " << settings.m_antennaPath
-             << " m_extClock: " << settings.m_extClock
-             << " m_extClockFreq: " << settings.m_extClockFreq
-             << " force: " << force
-             << " forceNCOFrequency: " << forceNCOFrequency
-             << " doLPCalibration: " << doLPCalibration;
-
-    if ((m_settings.m_dcBlock != settings.m_dcBlock) || force)
-    {
-        reverseAPIKeys.append("dcBlock");
         m_deviceAPI->configureCorrections(settings.m_dcBlock, settings.m_iqCorrection);
     }
 
-    if ((m_settings.m_iqCorrection != settings.m_iqCorrection) || force)
+    if (settingsKeys.contains("pwrmode") || force)
     {
-        reverseAPIKeys.append("iqCorrection");
-        m_deviceAPI->configureCorrections(settings.m_dcBlock, settings.m_iqCorrection);
-    }
-
-    if ((m_settings.m_pwrmode != settings.m_pwrmode))
-    {
-        reverseAPIKeys.append("pwrmode");
-
         if (m_deviceShared.m_dev->getDevice())
         {
             if (xtrx_val_set(m_deviceShared.m_dev->getDevice(),
@@ -897,15 +866,8 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
     }
 
-    if ((m_settings.m_extClock != settings.m_extClock) || force) {
+    if (settingsKeys.contains("extClock")
-        reverseAPIKeys.append("extClock");
+       || (settings.m_extClock && settingsKeys.contains("extClockFreq")) || force)
-    }
-    if ((m_settings.m_extClockFreq != settings.m_extClockFreq) || force) {
-        reverseAPIKeys.append("extClockFreq");
-    }
-
-    if ((m_settings.m_extClock != settings.m_extClock)
-       || (settings.m_extClock && (m_settings.m_extClockFreq != settings.m_extClockFreq)) || force)
     {
         if (m_deviceShared.m_dev->getDevice())
         {
@@ -923,15 +885,8 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
     }
 
-    if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force) {
+    if (settingsKeys.contains("devSampleRate")
-        reverseAPIKeys.append("devSampleRate");
+       || settingsKeys.contains("log2HardDecim") || force)
-    }
-    if ((m_settings.m_log2HardDecim != settings.m_log2HardDecim) || force) {
-        reverseAPIKeys.append("log2HardDecim");
-    }
-
-    if ((m_settings.m_devSampleRate != settings.m_devSampleRate)
-       || (m_settings.m_log2HardDecim != settings.m_log2HardDecim) || force)
     {
         forwardChangeAllDSP = true; //m_settings.m_devSampleRate != settings.m_devSampleRate;
 
@@ -940,22 +895,6 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
     }
 
-    if ((m_settings.m_gainMode != settings.m_gainMode) || force) {
-        reverseAPIKeys.append("gainMode");
-    }
-    if ((m_settings.m_gain != settings.m_gain) || force) {
-        reverseAPIKeys.append("gain");
-    }
-    if ((m_settings.m_lnaGain != settings.m_lnaGain) || force) {
-        reverseAPIKeys.append("lnaGain");
-    }
-    if ((m_settings.m_tiaGain != settings.m_tiaGain) || force) {
-        reverseAPIKeys.append("tiaGain");
-    }
-    if ((m_settings.m_pgaGain != settings.m_pgaGain) || force) {
-        reverseAPIKeys.append("pgaGain");
-    }
-
     if (m_deviceShared.m_dev->getDevice())
     {
         if ((m_settings.m_gainMode != settings.m_gainMode) || force)
@@ -973,28 +912,26 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
         else if (m_settings.m_gainMode == XTRXInputSettings::GAIN_AUTO)
         {
-            if (m_settings.m_gain != settings.m_gain) {
+            if (settingsKeys.contains("gain")) {
                 doGainAuto = true;
             }
         }
         else if (m_settings.m_gainMode == XTRXInputSettings::GAIN_MANUAL)
         {
-            if (m_settings.m_lnaGain != settings.m_lnaGain) {
+            if (settingsKeys.contains("lnaGain")) {
                 doGainLna = true;
             }
-            if (m_settings.m_tiaGain != settings.m_tiaGain) {
+            if (settingsKeys.contains("tiasGain")) {
                 doGainTia = true;
             }
-            if (m_settings.m_pgaGain != settings.m_pgaGain) {
+            if (settingsKeys.contains("pgaGain")) {
                 doGainPga = true;
             }
         }
     }
 
-    if ((m_settings.m_lpfBW != settings.m_lpfBW) || force)
+    if (settingsKeys.contains("lpfBW") || force)
     {
-        reverseAPIKeys.append("lpfBW");
-
         if (m_deviceShared.m_dev->getDevice()) {
             doLPCalibration = true;
         }
@@ -1027,9 +964,8 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
     }
 #endif
 
-    if ((m_settings.m_log2SoftDecim != settings.m_log2SoftDecim) || force)
+    if (settingsKeys.contains("log2SoftDecim") || force)
     {
-        reverseAPIKeys.append("log2SoftDecim");
         forwardChangeOwnDSP = true;
 
         if (inputThread)
@@ -1039,10 +975,8 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
     }
 
-    if ((m_settings.m_iqOrder != settings.m_iqOrder) || force)
+    if (settingsKeys.contains("iqOrder") || force)
     {
-        reverseAPIKeys.append("iqOrder");
-
         if (inputThread)
         {
             inputThread->setIQOrder(settings.m_iqOrder);
@@ -1050,10 +984,8 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
     }
 
-    if ((m_settings.m_antennaPath != settings.m_antennaPath) || force)
+    if (settingsKeys.contains("antennaPath") || force)
     {
-        reverseAPIKeys.append("antennaPath");
-
         if (m_deviceShared.m_dev->getDevice())
         {
             if (xtrx_set_antenna(m_deviceShared.m_dev->getDevice(), settings.m_antennaPath) < 0) {
@@ -1064,35 +996,31 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
     }
 
-    if ((m_settings.m_centerFrequency != settings.m_centerFrequency) || force)
+    if (settingsKeys.contains("centerFrequency") || force)
     {
-        reverseAPIKeys.append("centerFrequency");
         doChangeFreq = true;
     }
 
-    if ((m_settings.m_ncoFrequency != settings.m_ncoFrequency) || force) {
+    if (settingsKeys.contains("ncoFrequency")
-        reverseAPIKeys.append("ncoFrequency");
+       || settingsKeys.contains("ncoEnable") || force)
-    }
-    if ((m_settings.m_ncoEnable != settings.m_ncoEnable) || force) {
-        reverseAPIKeys.append("ncoEnable");
-    }
-
-    if ((m_settings.m_ncoFrequency != settings.m_ncoFrequency)
-       || (m_settings.m_ncoEnable != settings.m_ncoEnable) || force)
     {
         forceNCOFrequency = true;
     }
 
-    if (settings.m_useReverseAPI)
+    if (settingsKeys.contains("useReverseAPI"))
     {
-        bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
+        bool fullUpdate = (settingsKeys.contains("useReverseAPI") && settings.m_useReverseAPI) ||
-                (m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
+            settingsKeys.contains("reverseAPIAddress") ||
-                (m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
+            settingsKeys.contains("reverseAPIPort") ||
-                (m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex);
+            settingsKeys.contains("reverseAPIDeviceIndex");
-        webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
+        webapiReverseSendSettings(settingsKeys, settings, fullUpdate || force);
     }
 
-    m_settings = settings;
+    if (force) {
+        m_settings = settings;
+    } else {
+        m_settings.applySettings(settingsKeys, settings);
+    }
 
     if (doChangeSampleRate && (m_settings.m_devSampleRate != 0))
     {
@@ -1144,20 +1072,16 @@ bool XTRXInput::applySettings(const XTRXInputSettings& settings, bool force, boo
         }
     }
 
-    if (doGainAuto)
+    if (doGainAuto) {
-    {
         apply_gain_auto(m_settings.m_gain);
     }
-    if (doGainLna)
+    if (doGainLna) {
-    {
         apply_gain_lna(m_settings.m_lnaGain);
     }
-    if (doGainTia)
+    if (doGainTia) {
-    {
         apply_gain_tia(tia_to_db(m_settings.m_tiaGain));
     }
-    if (doGainPga)
+    if (doGainPga) {
-    {
         apply_gain_pga(m_settings.m_pgaGain);
     }
 
@@ -1335,12 +1259,12 @@ int XTRXInput::webapiSettingsPutPatch(
     XTRXInputSettings settings = m_settings;
     webapiUpdateDeviceSettings(settings, deviceSettingsKeys, response);
 
-    MsgConfigureXTRX *msg = MsgConfigureXTRX::create(settings, force);
+    MsgConfigureXTRX *msg = MsgConfigureXTRX::create(settings, deviceSettingsKeys, force);
     m_inputMessageQueue.push(msg);
 
     if (m_guiMessageQueue) // forward to GUI if any
     {
-        MsgConfigureXTRX *msgToGUI = MsgConfigureXTRX::create(settings, force);
+        MsgConfigureXTRX *msgToGUI = MsgConfigureXTRX::create(settings, deviceSettingsKeys, force);
         m_guiMessageQueue->push(msgToGUI);
     }
 
@@ -1522,7 +1446,7 @@ void XTRXInput::webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& response)
     response.getXtrxInputReport()->setGpsLock(gpsStatus ? 1 : 0);
 }
 
-void XTRXInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, const XTRXInputSettings& settings, bool force)
+void XTRXInput::webapiReverseSendSettings(const QList<QString>& deviceSettingsKeys, const XTRXInputSettings& settings, bool force)
 {
     SWGSDRangel::SWGDeviceSettings *swgDeviceSettings = new SWGSDRangel::SWGDeviceSettings();
     swgDeviceSettings->setDirection(0); // single Rx

plugins/samplesource/xtrxinput/xtrxinput.h

@@ -41,22 +41,24 @@ public:
     class MsgConfigureXTRX : public Message {
         MESSAGE_CLASS_DECLARATION
 
-        public:
+    public:
-            const XTRXInputSettings& getSettings() const { return m_settings; }
+        const XTRXInputSettings& getSettings() const { return m_settings; }
+        const QList<QString>& getSettingsKeys() const { return m_settingsKeys; }
         bool getForce() const { return m_force; }
 
-        static MsgConfigureXTRX* create(const XTRXInputSettings& settings, bool force)
+        static MsgConfigureXTRX* create(const XTRXInputSettings& settings, const QList<QString>& settingsKeys, bool force) {
-        {
+            return new MsgConfigureXTRX(settings, settingsKeys, force);
-            return new MsgConfigureXTRX(settings, force);
         }
 
     private:
         XTRXInputSettings m_settings;
+        QList<QString> m_settingsKeys;
         bool m_force;
 
-        MsgConfigureXTRX(const XTRXInputSettings& settings, bool force) :
+        MsgConfigureXTRX(const XTRXInputSettings& settings, const QList<QString>& settingsKeys, bool force) :
             Message(),
             m_settings(settings),
+            m_settingsKeys(settingsKeys),
             m_force(force)
         { }
     };
@@ -255,9 +257,9 @@ private:
 
     void suspendTxThread();
     void resumeTxThread();
-    bool applySettings(const XTRXInputSettings& settings, bool force = false, bool forceNCOFrequency = false);
+    bool applySettings(const XTRXInputSettings& settings, const QList<QString>& settingsKeys, bool force = false, bool forceNCOFrequency = false);
     void webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& response);
-    void webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, const XTRXInputSettings& settings, bool force);
+    void webapiReverseSendSettings(const QList<QString>& deviceSettingsKeys, const XTRXInputSettings& settings, bool force);
     void webapiReverseSendStartStop(bool start);
 
 private slots:

plugins/samplesource/xtrxinput/xtrxinputgui.cpp

@@ -101,6 +101,7 @@ void XTRXInputGUI::resetToDefaults()
 {
     m_settings.resetToDefaults();
     displaySettings();
+    m_forceSettings = true;
     sendSettings();
 }
 
@@ -243,7 +244,13 @@ void XTRXInputGUI::handleInputMessages()
         {
             qDebug("XTRXInputGUI::handleInputMessages: MsgConfigureXTRX");
             const XTRXInput::MsgConfigureXTRX& cfg = (XTRXInput::MsgConfigureXTRX&) *message;
-            m_settings = cfg.getSettings();
+
+            if (cfg.getForce()) {
+                m_settings = cfg.getSettings();
+            } else {
+                m_settings.applySettings(cfg.getSettingsKeys(), cfg.getSettings());
+            }
+
             displaySettings();
 
             delete message;
@@ -399,8 +406,9 @@ void XTRXInputGUI::setCenterFrequencySetting(uint64_t kHzValue)
 
 void XTRXInputGUI::sendSettings()
 {
-    if(!m_updateTimer.isActive())
+    if (!m_updateTimer.isActive()) {
         m_updateTimer.start(100);
+    }
 }
 
 void XTRXInputGUI::updateHardware()
@@ -408,9 +416,10 @@ void XTRXInputGUI::updateHardware()
     if (m_doApplySettings)
     {
         qDebug() << "XTRXInputGUI::updateHardware";
-        XTRXInput::MsgConfigureXTRX* message = XTRXInput::MsgConfigureXTRX::create(m_settings, m_forceSettings);
+        XTRXInput::MsgConfigureXTRX* message = XTRXInput::MsgConfigureXTRX::create(m_settings, m_settingsKeys, m_forceSettings);
         m_XTRXInput->getInputMessageQueue()->push(message);
         m_forceSettings = false;
+        m_settingsKeys.clear();
         m_updateTimer.stop();
     }
 }
@@ -487,6 +496,7 @@ void XTRXInputGUI::on_startStop_toggled(bool checked)
 void XTRXInputGUI::on_centerFrequency_changed(quint64 value)
 {
     setCenterFrequencySetting(value);
+    m_settingsKeys.append("centerFrequency");
     sendSettings();
 }
 
@@ -494,6 +504,7 @@ void XTRXInputGUI::on_ncoFrequency_changed(qint64 value)
 {
     m_settings.m_ncoFrequency = value;
     setCenterFrequencyDisplay();
+    m_settingsKeys.append("ncoFrequency");
     sendSettings();
 }
 
@@ -501,18 +512,21 @@ void XTRXInputGUI::on_ncoEnable_toggled(bool checked)
 {
     m_settings.m_ncoEnable = checked;
     setCenterFrequencyDisplay();
+    m_settingsKeys.append("ncoEnable");
     sendSettings();
 }
 
 void XTRXInputGUI::on_dcOffset_toggled(bool checked)
 {
     m_settings.m_dcBlock = checked;
+    m_settingsKeys.append("dcBlock");
     sendSettings();
 }
 
 void XTRXInputGUI::on_iqImbalance_toggled(bool checked)
 {
     m_settings.m_iqCorrection = checked;
+    m_settingsKeys.append("iqCorrection");
     sendSettings();
 }
 
@@ -526,6 +540,7 @@ void XTRXInputGUI::on_sampleRate_changed(quint64 value)
 
     updateADCRate();
     setNCODisplay();
+    m_settingsKeys.append("devSampleRate");
     sendSettings();
 }
 
@@ -536,6 +551,7 @@ void XTRXInputGUI::on_hwDecim_currentIndexChanged(int index)
     }
 
     m_settings.m_log2HardDecim = index;
+    m_settingsKeys.append("log2HardDecim");
 
     updateADCRate();
     setNCODisplay();
@@ -549,6 +565,7 @@ void XTRXInputGUI::on_swDecim_currentIndexChanged(int index)
     }
 
     m_settings.m_log2SoftDecim = index;
+    m_settingsKeys.append("log2SoftDecim");
     displaySampleRate();
 
     if (m_sampleRateMode) {
@@ -557,18 +574,21 @@ void XTRXInputGUI::on_swDecim_currentIndexChanged(int index)
         m_settings.m_devSampleRate = ui->sampleRate->getValueNew() * (1 << m_settings.m_log2SoftDecim);
     }
 
+    m_settingsKeys.append("devSampleRate");
     sendSettings();
 }
 
 void XTRXInputGUI::on_lpf_changed(quint64 value)
 {
     m_settings.m_lpfBW = value * 1000;
+    m_settingsKeys.append("lpfBW");
     sendSettings();
 }
 
 void XTRXInputGUI::on_gainMode_currentIndexChanged(int index)
 {
     m_settings.m_gainMode = (XTRXInputSettings::GainMode) index;
+    m_settingsKeys.append("gainMode");
 
     if (index == 0)
     {
@@ -592,6 +612,7 @@ void XTRXInputGUI::on_gain_valueChanged(int value)
 {
     m_settings.m_gain = value;
     ui->gainText->setText(tr("%1").arg(m_settings.m_gain));
+    m_settingsKeys.append("gain");
     sendSettings();
 }
 
@@ -599,18 +620,21 @@ void XTRXInputGUI::on_lnaGain_valueChanged(int value)
 {
     m_settings.m_lnaGain = value;
     ui->lnaGainText->setText(tr("%1").arg(m_settings.m_lnaGain));
+    m_settingsKeys.append("lnaGain");
     sendSettings();
 }
 
 void XTRXInputGUI::on_tiaGain_currentIndexChanged(int index)
 {
     m_settings.m_tiaGain = index + 1;
+    m_settingsKeys.append("tiaGain");
     sendSettings();
 }
 
 void XTRXInputGUI::on_pgaGain_valueChanged(int value)
 {
     m_settings.m_pgaGain = value;
+    m_settingsKeys.append("pgaGain");
     ui->pgaGainText->setText(tr("%1").arg(m_settings.m_pgaGain));
     sendSettings();
 }
@@ -618,6 +642,7 @@ void XTRXInputGUI::on_pgaGain_valueChanged(int value)
 void XTRXInputGUI::on_antenna_currentIndexChanged(int index)
 {
     m_settings.m_antennaPath = (xtrx_antenna_t) index;
+    m_settingsKeys.append("antennaPath");
     sendSettings();
 }
 
@@ -625,6 +650,8 @@ void XTRXInputGUI::on_extClock_clicked()
 {
     m_settings.m_extClock = ui->extClock->getExternalClockActive();
     m_settings.m_extClockFreq = ui->extClock->getExternalClockFrequency();
+    m_settingsKeys.append("extClock");
+    m_settingsKeys.append("extClockFreq");
     qDebug("XTRXInputGUI::on_extClock_clicked: %u Hz %s", m_settings.m_extClockFreq, m_settings.m_extClock ? "on" : "off");
     sendSettings();
 }
@@ -632,6 +659,7 @@ void XTRXInputGUI::on_extClock_clicked()
 void XTRXInputGUI::on_pwrmode_currentIndexChanged(int index)
 {
     m_settings.m_pwrmode = index;
+    m_settingsKeys.append("pwrmode");
     sendSettings();
 }
 
@@ -658,6 +686,10 @@ void XTRXInputGUI::openDeviceSettingsDialog(const QPoint& p)
         m_settings.m_reverseAPIAddress = dialog.getReverseAPIAddress();
         m_settings.m_reverseAPIPort = dialog.getReverseAPIPort();
         m_settings.m_reverseAPIDeviceIndex = dialog.getReverseAPIDeviceIndex();
+        m_settingsKeys.append("useReverseAPI");
+        m_settingsKeys.append("reverseAPIAddress");
+        m_settingsKeys.append("reverseAPIPort");
+        m_settingsKeys.append("reverseAPIDeviceIndex");
 
         sendSettings();
     }

plugins/samplesource/xtrxinput/xtrxinputgui.h

@@ -54,6 +54,7 @@ private:
 
     XTRXInput* m_XTRXInput; //!< Same object as above but gives easy access to XTRXInput methods and attributes that are used intensively
     XTRXInputSettings m_settings;
+    QList<QString> m_settingsKeys;
     bool m_sampleRateMode; //!< true: device, false: base band sample rate update mode
     QTimer m_updateTimer;
     QTimer m_statusTimer;

plugins/samplesource/xtrxinput/xtrxinputsettings.cpp

@@ -137,3 +137,153 @@ bool XTRXInputSettings::deserialize(const QByteArray& data)
     }
 
 }
+
+void XTRXInputSettings::applySettings(const QStringList& settingsKeys, const XTRXInputSettings& settings)
+{
+    if (settingsKeys.contains("centerFrequency")) {
+        m_centerFrequency = settings.m_centerFrequency;
+    }
+    if (settingsKeys.contains("devSampleRate")) {
+        m_devSampleRate = settings.m_devSampleRate;
+    }
+    if (settingsKeys.contains("log2HardDecim")) {
+        m_log2HardDecim = settings.m_log2HardDecim;
+    }
+    if (settingsKeys.contains("dcBlock")) {
+        m_dcBlock = settings.m_dcBlock;
+    }
+    if (settingsKeys.contains("iqCorrection")) {
+        m_iqCorrection = settings.m_iqCorrection;
+    }
+    if (settingsKeys.contains("log2SoftDecim")) {
+        m_log2SoftDecim = settings.m_log2SoftDecim;
+    }
+    if (settingsKeys.contains("lpfBW")) {
+        m_lpfBW = settings.m_lpfBW;
+    }
+    if (settingsKeys.contains("gain")) {
+        m_gain = settings.m_gain;
+    }
+    if (settingsKeys.contains("ncoEnable")) {
+        m_ncoEnable = settings.m_ncoEnable;
+    }
+    if (settingsKeys.contains("ncoFrequency")) {
+        m_ncoFrequency = settings.m_ncoFrequency;
+    }
+    if (settingsKeys.contains("antennaPath")) {
+        m_antennaPath = settings.m_antennaPath;
+    }
+    if (settingsKeys.contains("gainMode")) {
+        m_gainMode = settings.m_gainMode;
+    }
+    if (settingsKeys.contains("lnaGain")) {
+        m_lnaGain = settings.m_lnaGain;
+    }
+    if (settingsKeys.contains("tiaGain")) {
+        m_tiaGain = settings.m_tiaGain;
+    }
+    if (settingsKeys.contains("pgaGain")) {
+        m_pgaGain = settings.m_pgaGain;
+    }
+    if (settingsKeys.contains("extClock")) {
+        m_extClock = settings.m_extClock;
+    }
+    if (settingsKeys.contains("extClockFreq")) {
+        m_extClockFreq = settings.m_extClockFreq;
+    }
+    if (settingsKeys.contains("pwrmode")) {
+        m_pwrmode = settings.m_pwrmode;
+    }
+    if (settingsKeys.contains("iqOrder")) {
+        m_iqOrder = settings.m_iqOrder;
+    }
+    if (settingsKeys.contains("useReverseAPI")) {
+        m_useReverseAPI = settings.m_useReverseAPI;
+    }
+    if (settingsKeys.contains("reverseAPIAddress")) {
+        m_reverseAPIAddress = settings.m_reverseAPIAddress;
+    }
+    if (settingsKeys.contains("reverseAPIPort")) {
+        m_reverseAPIPort = settings.m_reverseAPIPort;
+    }
+    if (settingsKeys.contains("reverseAPIDeviceIndex")) {
+        m_reverseAPIDeviceIndex = settings.m_reverseAPIDeviceIndex;
+    }
+}
+
+QString XTRXInputSettings::getDebugString(const QStringList& settingsKeys, bool force) const
+{
+    std::ostringstream ostr;
+
+    if (settingsKeys.contains("centerFrequency") || force) {
+        ostr << " m_centerFrequency: " << m_centerFrequency;
+    }
+    if (settingsKeys.contains("devSampleRate") || force) {
+        ostr << " m_devSampleRate: " << m_devSampleRate;
+    }
+    if (settingsKeys.contains("log2HardDecim") || force) {
+        ostr << " m_log2HardDecim: " << m_log2HardDecim;
+    }
+    if (settingsKeys.contains("dcBlock") || force) {
+        ostr << " m_dcBlock: " << m_dcBlock;
+    }
+    if (settingsKeys.contains("iqCorrection") || force) {
+        ostr << " m_iqCorrection: " << m_iqCorrection;
+    }
+    if (settingsKeys.contains("log2SoftDecim") || force) {
+        ostr << " m_log2SoftDecim: " << m_log2SoftDecim;
+    }
+    if (settingsKeys.contains("lpfBW") || force) {
+        ostr << " m_lpfBW: " << m_lpfBW;
+    }
+    if (settingsKeys.contains("gain") || force) {
+        ostr << " m_gain: " << m_gain;
+    }
+    if (settingsKeys.contains("ncoEnable") || force) {
+        ostr << " m_ncoEnable: " << m_ncoEnable;
+    }
+    if (settingsKeys.contains("ncoFrequency") || force) {
+        ostr << " m_ncoFrequency: " << m_ncoFrequency;
+    }
+    if (settingsKeys.contains("antennaPath") || force) {
+        ostr << " m_antennaPath: " << m_antennaPath;
+    }
+    if (settingsKeys.contains("gainMode") || force) {
+        ostr << " m_gainMode: " << m_gainMode;
+    }
+    if (settingsKeys.contains("lnaGain") || force) {
+        ostr << " m_lnaGain: " << m_lnaGain;
+    }
+    if (settingsKeys.contains("tiaGain") || force) {
+        ostr << " m_tiaGain: " << m_tiaGain;
+    }
+    if (settingsKeys.contains("pgaGain") || force) {
+        ostr << " m_pgaGain: " << m_pgaGain;
+    }
+    if (settingsKeys.contains("extClock") || force) {
+        ostr << " m_extClock: " << m_extClock;
+    }
+    if (settingsKeys.contains("extClockFreq") || force) {
+        ostr << " m_extClockFreq: " << m_extClockFreq;
+    }
+    if (settingsKeys.contains("pwrmode") || force) {
+        ostr << " m_pwrmode: " << m_pwrmode;
+    }
+    if (settingsKeys.contains("iqOrder") || force) {
+        ostr << " m_iqOrder: " << m_iqOrder;
+    }
+    if (settingsKeys.contains("useReverseAPI") || force) {
+        ostr << " m_useReverseAPI: " << m_useReverseAPI;
+    }
+    if (settingsKeys.contains("reverseAPIAddress") || force) {
+        ostr << " m_reverseAPIAddress: " << m_reverseAPIAddress.toStdString();
+    }
+    if (settingsKeys.contains("reverseAPIPort") || force) {
+        ostr << " m_reverseAPIPort: " << m_reverseAPIPort;
+    }
+    if (settingsKeys.contains("reverseAPIDeviceIndex") || force) {
+        ostr << " m_reverseAPIDeviceIndex: " << m_reverseAPIDeviceIndex;
+    }
+
+    return QString(ostr.str().c_str());
+}

plugins/samplesource/xtrxinput/xtrxinputsettings.h

@@ -66,6 +66,8 @@ struct XTRXInputSettings
     void resetToDefaults();
     QByteArray serialize() const;
     bool deserialize(const QByteArray& data);
+    void applySettings(const QStringList& settingsKeys, const XTRXInputSettings& settings);
+    QString getDebugString(const QStringList& settingsKeys, bool force=false) const;
 };
 
 #endif /* PLUGINS_SAMPLESOURCE_XTRXINPUT_XTRXINPUTSETTINGS_H_ */