BladeRF2: implemented baseband or device sample rate input option

plugins/samplesink/bladerf2output/bladerf2outputgui.cpp

@@ -39,6 +39,7 @@ BladeRF2OutputGui::BladeRF2OutputGui(DeviceUISet *deviceUISet, QWidget* parent)
     m_doApplySettings(true),
     m_forceSettings(true),
     m_settings(),
+    m_sampleRateMode(true),
     m_sampleRate(0),
     m_lastEngineState(DSPDeviceSinkEngine::StNotStarted)
 {
@@ -241,7 +242,39 @@ void BladeRF2OutputGui::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 BladeRF2OutputGui::displaySampleRate()
+{
+    int max, min, step;
+    m_sampleSink->getSampleRateRange(min, max, step);
+
+    ui->sampleRate->blockSignals(true);
+
+    if (m_sampleRateMode)
+    {
+        ui->sampleRateMode->setStyleSheet("QToolButton { background:rgb(60,60,60); }");
+        ui->sampleRateMode->setText("SR");
+        ui->sampleRate->setValueRange(8, min, max);
+        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_log2Interp);
+        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, min/(1<<m_settings.m_log2Interp), max/(1<<m_settings.m_log2Interp));
+        ui->sampleRate->setValue(m_settings.m_devSampleRate/(1<<m_settings.m_log2Interp));
+        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 BladeRF2OutputGui::displaySettings()
@@ -254,7 +287,7 @@ void BladeRF2OutputGui::displaySettings()
     ui->centerFrequency->setValue(m_settings.m_centerFrequency / 1000);
     ui->LOppm->setValue(m_settings.m_LOppmTenths);
     ui->LOppmText->setText(QString("%1").arg(QString::number(m_settings.m_LOppmTenths/10.0, 'f', 1)));
-    ui->sampleRate->setValue(m_settings.m_devSampleRate);
+    displaySampleRate();
     ui->bandwidth->setValue(m_settings.m_bandwidth / 1000);
 
     ui->interp->setCurrentIndex(m_settings.m_log2Interp);
@@ -287,7 +320,12 @@ void BladeRF2OutputGui::on_LOppm_valueChanged(int value)
 
 void BladeRF2OutputGui::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_log2Interp);
+    }
+
     sendSettings();
 }
 
@@ -305,9 +343,19 @@ void BladeRF2OutputGui::on_bandwidth_changed(quint64 value)
 
 void BladeRF2OutputGui::on_interp_currentIndexChanged(int index)
 {
-    if ((index <0) || (index > 6))
+    if ((index <0) || (index > 6)) {
         return;
+    }
+
     m_settings.m_log2Interp = index;
+    displaySampleRate();
+
+    if (m_sampleRateMode) {
+        m_settings.m_devSampleRate = ui->sampleRate->getValueNew();
+    } else {
+        m_settings.m_devSampleRate = ui->sampleRate->getValueNew() * (1 << m_settings.m_log2Interp);
+    }
+
     sendSettings();
 }
 
@@ -337,6 +385,12 @@ void BladeRF2OutputGui::on_startStop_toggled(bool checked)
     }
 }
 
+void BladeRF2OutputGui::on_sampleRateMode_toggled(bool checked)
+{
+    m_sampleRateMode = checked;
+    displaySampleRate();
+}
+
 void BladeRF2OutputGui::updateHardware()
 {
     if (m_doApplySettings)

plugins/samplesink/bladerf2output/bladerf2outputgui.h

@@ -59,6 +59,7 @@ private:
     bool m_doApplySettings;
     bool m_forceSettings;
     BladeRF2OutputSettings m_settings;
+    bool m_sampleRateMode; //!< true: device, false: base band sample rate update mode
     QTimer m_updateTimer;
     QTimer m_statusTimer;
     BladeRF2Output* m_sampleSink;
@@ -69,6 +70,7 @@ private:
 
     void blockApplySettings(bool block) { m_doApplySettings = !block; }
     void displaySettings();
+    void displaySampleRate();
     void sendSettings();
     void updateSampleRateAndFrequency();
     void updateFrequencyLimits();
@@ -85,6 +87,7 @@ private slots:
     void on_gain_valueChanged(int value);
     void on_startStop_toggled(bool checked);
     void on_transverter_clicked();
+    void on_sampleRateMode_toggled(bool checked);
     void updateHardware();
     void updateStatus();
     void openDeviceSettingsDialog(const QPoint& p);

plugins/samplesink/bladerf2output/bladerf2outputgui.ui

@@ -76,7 +76,7 @@
        <item>
         <layout class="QHBoxLayout" name="deviceRateLayout">
          <item>
-          <widget class="QLabel" name="deviceRateLabel">
+          <widget class="QLabel" name="deviceRateText">
            <property name="toolTip">
             <string>I/Q sample rate kS/s</string>
            </property>
@@ -301,16 +301,31 @@
       <number>2</number>
      </property>
      <item>
-      <widget class="QLabel" name="samplerateLabel">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
+      <widget class="QToolButton" name="sampleRateMode">
+       <property name="minimumSize">
+        <size>
+         <width>24</width>
+         <height>0</height>
+        </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>

plugins/samplesink/bladerf2output/bladerf2outputplugin.cpp

@@ -31,7 +31,7 @@
 
 const PluginDescriptor BladeRF2OutputPlugin::m_pluginDescriptor = {
     QString("BladeRF2 Output"),
-    QString("4.5.2"),
+    QString("4.5.4"),
     QString("(c) Edouard Griffiths, F4EXB"),
     QString("https://github.com/f4exb/sdrangel"),
     true,