PlutoSDR input: implemented baseband or device sample rate input option

plugins/samplesink/hackrfoutput/hackrfoutputplugin.cpp

@@ -31,7 +31,7 @@
 
 const PluginDescriptor HackRFOutputPlugin::m_pluginDescriptor = {
 	QString("HackRF Output"),
-	QString("4.5.3"),
+	QString("4.5.4"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,

plugins/samplesource/hackrfinput/hackrfinputplugin.cpp

@@ -33,7 +33,7 @@
 
 const PluginDescriptor HackRFInputPlugin::m_pluginDescriptor = {
 	QString("HackRF Input"),
-	QString("4.5.3"),
+	QString("4.5.4"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,

plugins/samplesource/plutosdrinput/plutosdrinputgui.cpp

@@ -36,6 +36,7 @@ PlutoSDRInputGui::PlutoSDRInputGui(DeviceUISet *deviceUISet, QWidget* parent) :
     ui(new Ui::PlutoSDRInputGUI),
     m_deviceUISet(deviceUISet),
     m_settings(),
+    m_sampleRateMode(true),
     m_forceSettings(true),
     m_sampleSource(NULL),
     m_sampleRate(0),
@@ -228,18 +229,33 @@ void PlutoSDRInputGui::on_iqImbalance_toggled(bool checked)
 void PlutoSDRInputGui::on_swDecim_currentIndexChanged(int index)
 {
     m_settings.m_log2Decim = index > 6 ? 6 : index;
+    displaySampleRate();
+
+    if (m_sampleRateMode) {
+        m_settings.m_devSampleRate = ui->sampleRate->getValueNew();
+    } else {
+        m_settings.m_devSampleRate = ui->sampleRate->getValueNew() * (1 << m_settings.m_log2Decim);
+    }
+
     sendSettings();
 }
 
 void PlutoSDRInputGui::on_fcPos_currentIndexChanged(int index)
 {
     m_settings.m_fcPos = (PlutoSDRInputSettings::fcPos_t) (index < (int) PlutoSDRInputSettings::FC_POS_END ? index : PlutoSDRInputSettings::FC_POS_CENTER);
+    displayFcTooltip();
     sendSettings();
 }
 
 void PlutoSDRInputGui::on_sampleRate_changed(quint64 value)
 {
-    m_settings.m_devSampleRate = value;
+    if (m_sampleRateMode) {
+        m_settings.m_devSampleRate = value;
+    } else {
+        m_settings.m_devSampleRate = value * (1 << m_settings.m_log2Decim);
+    }
+
+    displayFcTooltip();
     sendSettings();
 }
 
@@ -306,13 +322,60 @@ void PlutoSDRInputGui::on_transverter_clicked()
     sendSettings();
 }
 
+void PlutoSDRInputGui::on_sampleRateMode_toggled(bool checked)
+{
+    m_sampleRateMode = checked;
+    displaySampleRate();
+}
+
+void PlutoSDRInputGui::displaySampleRate()
+{
+    ui->sampleRate->blockSignals(true);
+    displayFcTooltip();
+
+    if (m_sampleRateMode)
+    {
+        ui->sampleRateMode->setStyleSheet("QToolButton { background:rgb(60,60,60); }");
+        ui->sampleRateMode->setText("SR");
+        ui->sampleRate->setValueRange(8, DevicePlutoSDR::srLowLimitFreq, DevicePlutoSDR::srHighLimitFreq);
+        ui->sampleRate->setValue(m_settings.m_devSampleRate);
+        ui->sampleRate->setToolTip("Device to host sample rate (S/s)");
+        ui->deviceRateText->setToolTip("Baseband sample rate (S/s)");
+        uint32_t basebandSampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim);
+        ui->deviceRateText->setText(tr("%1k").arg(QString::number(basebandSampleRate / 1000.0f, 'g', 5)));
+    }
+    else
+    {
+        ui->sampleRateMode->setStyleSheet("QToolButton { background:rgb(50,50,50); }");
+        ui->sampleRateMode->setText("BB");
+        ui->sampleRate->setValueRange(8, DevicePlutoSDR::srLowLimitFreq/(1<<m_settings.m_log2Decim), DevicePlutoSDR::srHighLimitFreq/(1<<m_settings.m_log2Decim));
+        ui->sampleRate->setValue(m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim));
+        ui->sampleRate->setToolTip("Baseband sample rate (S/s)");
+        ui->deviceRateText->setToolTip("Device to host sample rate (S/s)");
+        ui->deviceRateText->setText(tr("%1k").arg(QString::number(m_settings.m_devSampleRate / 1000.0f, 'g', 5)));
+    }
+
+    ui->sampleRate->blockSignals(false);
+}
+
+void PlutoSDRInputGui::displayFcTooltip()
+{
+    int32_t fShift = DeviceSampleSource::calculateFrequencyShift(
+        m_settings.m_log2Decim,
+        (DeviceSampleSource::fcPos_t) m_settings.m_fcPos,
+        m_settings.m_devSampleRate,
+        DeviceSampleSource::FrequencyShiftScheme::FSHIFT_STD
+    );
+    ui->fcPos->setToolTip(tr("Relative position of device center frequency: %1 kHz").arg(QString::number(fShift / 1000.0f, 'g', 5)));
+}
+
 void PlutoSDRInputGui::displaySettings()
 {
     ui->transverter->setDeltaFrequency(m_settings.m_transverterDeltaFrequency);
     ui->transverter->setDeltaFrequencyActive(m_settings.m_transverterMode);
     updateFrequencyLimits();
     ui->centerFrequency->setValue(m_settings.m_centerFrequency / 1000);
-    ui->sampleRate->setValue(m_settings.m_devSampleRate);
+    displaySampleRate();
 
     ui->dcOffset->setChecked(m_settings.m_dcBlock);
     ui->iqImbalance->setChecked(m_settings.m_iqCorrection);
@@ -397,9 +460,9 @@ void PlutoSDRInputGui::updateStatus()
         uint32_t adcRate = ((PlutoSDRInput *) m_sampleSource)->getADCSampleRate();
 
         if (adcRate < 100000000) {
-            ui->adcRateLabel->setText(tr("%1k").arg(QString::number(adcRate / 1000.0f, 'g', 5)));
+            ui->adcRateText->setText(tr("%1k").arg(QString::number(adcRate / 1000.0f, 'g', 5)));
         } else {
-            ui->adcRateLabel->setText(tr("%1M").arg(QString::number(adcRate / 1000000.0f, 'g', 5)));
+            ui->adcRateText->setText(tr("%1M").arg(QString::number(adcRate / 1000000.0f, 'g', 5)));
         }
     }
 
@@ -491,7 +554,7 @@ void PlutoSDRInputGui::updateSampleRateAndFrequency()
 {
     m_deviceUISet->getSpectrum()->setSampleRate(m_sampleRate);
     m_deviceUISet->getSpectrum()->setCenterFrequency(m_deviceCenterFrequency);
-    ui->deviceRateLabel->setText(tr("%1k").arg(QString::number(m_sampleRate / 1000.0f, 'g', 5)));
+    displaySampleRate();
 }
 
 void PlutoSDRInputGui::openDeviceSettingsDialog(const QPoint& p)

plugins/samplesource/plutosdrinput/plutosdrinputgui.h

@@ -57,6 +57,7 @@ private:
     Ui::PlutoSDRInputGUI* ui;
     DeviceUISet* m_deviceUISet;
     PlutoSDRInputSettings m_settings;
+    bool m_sampleRateMode; //!< true: device, false: base band sample rate update mode
     bool m_forceSettings;
     QTimer m_updateTimer;
     QTimer m_statusTimer;
@@ -69,6 +70,8 @@ private:
     MessageQueue m_inputMessageQueue;
 
     void displaySettings();
+    void displaySampleRate();
+    void displayFcTooltip();
     void sendSettings(bool forceSettings = false);
     void blockApplySettings(bool block);
     void updateSampleRateAndFrequency();
@@ -95,6 +98,7 @@ private slots:
     void on_gain_valueChanged(int value);
     void on_antenna_currentIndexChanged(int index);
     void on_transverter_clicked();
+    void on_sampleRateMode_toggled(bool checked);
     void updateHardware();
     void updateStatus();
     void handleInputMessages();

plugins/samplesource/plutosdrinput/plutosdrinputgui.ui

@@ -91,7 +91,7 @@
        <item>
         <layout class="QHBoxLayout" name="freqLeftBotLayout">
          <item>
-          <widget class="QLabel" name="adcRateLabel">
+          <widget class="QLabel" name="adcRateText">
            <property name="minimumSize">
             <size>
              <width>54</width>
@@ -179,7 +179,7 @@
        <item>
         <layout class="QHBoxLayout" name="freqRightBotLayout">
          <item>
-          <widget class="QLabel" name="deviceRateLabel">
+          <widget class="QLabel" name="deviceRateText">
            <property name="minimumSize">
             <size>
              <width>54</width>
@@ -503,16 +503,31 @@
    <item>
     <layout class="QHBoxLayout" name="sampleRateLayout">
      <item>
-      <widget class="QLabel" name="samplerateLabel">
+      <widget class="QToolButton" name="sampleRateMode">
-       <property name="sizePolicy">
+       <property name="minimumSize">
-        <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+        <size>
-         <horstretch>0</horstretch>
+         <width>24</width>
-         <verstretch>0</verstretch>
+         <height>0</height>
-        </sizepolicy>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>24</width>
+         <height>16777215</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Toggle between device to host (SR) and base band (BB) sample rate input</string>
        </property>
        <property name="text">
         <string>SR</string>
        </property>
+       <property name="checkable">
+        <bool>true</bool>
+       </property>
+       <property name="checked">
+        <bool>true</bool>
+       </property>
       </widget>
      </item>
      <item>