Airspy: implemented LNA and Mixer AGC controls

plugins/samplesource/airspy/airspygui.cpp

@@ -28,7 +28,7 @@ AirspyGui::AirspyGui(PluginAPI* pluginAPI, QWidget* parent) :
 	ui(new Ui::AirspyGui),
 	m_pluginAPI(pluginAPI),
 	m_settings(),
-	m_sampleSource(NULL)
+	m_sampleSource(0)
 {
 	ui->setupUi(this);
 	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
@@ -156,6 +156,9 @@ void AirspyGui::displaySettings()
 
 	ui->vgaText->setText(tr("%1dB").arg(m_settings.m_vgaGain));
 	ui->vga->setValue(m_settings.m_vgaGain);
+
+	ui->lnaAGC->setChecked(m_settings.m_lnaAGC);
+	ui->mixAGC->setChecked(m_settings.m_mixerAGC);
 }
 
 void AirspyGui::displaySampleRates()
@@ -228,6 +231,18 @@ void AirspyGui::on_biasT_stateChanged(int state)
 	sendSettings();
 }
 
+void AirspyGui::on_lnaAGC_stateChanged(int state)
+{
+	m_settings.m_lnaAGC = (state == Qt::Checked);
+	sendSettings();
+}
+
+void AirspyGui::on_mixAGC_stateChanged(int state)
+{
+	m_settings.m_mixerAGC = (state == Qt::Checked);
+	sendSettings();
+}
+
 void AirspyGui::on_decim_valueChanged(int value)
 {
 	if ((value <0) || (value > 6))

plugins/samplesource/airspy/airspygui.h

@@ -76,6 +76,8 @@ private slots:
 	void on_lna_valueChanged(int value);
 	void on_mix_valueChanged(int value);
 	void on_vga_valueChanged(int value);
+	void on_lnaAGC_stateChanged(int state);
+	void on_mixAGC_stateChanged(int state);
 	void updateHardware();
 	void handleSourceMessages();
 };

plugins/samplesource/airspy/airspygui.ui

@@ -338,7 +338,7 @@
        </property>
       </widget>
      </item>
-     <item row="0" column="2">
+     <item row="0" column="3">
       <widget class="QLabel" name="lnaGainText">
        <property name="minimumSize">
         <size>
@@ -346,6 +346,9 @@
          <height>0</height>
         </size>
        </property>
+       <property name="lineWidth">
+        <number>1</number>
+       </property>
        <property name="text">
         <string>0dB</string>
        </property>
@@ -354,6 +357,16 @@
        </property>
       </widget>
      </item>
+     <item row="0" column="4">
+      <widget class="QCheckBox" name="lnaAGC">
+       <property name="toolTip">
+        <string>Toggle LNA AGC</string>
+       </property>
+       <property name="text">
+        <string>AGC</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>
@@ -406,6 +419,16 @@
        </property>
       </widget>
      </item>
+     <item row="0" column="3">
+      <widget class="QCheckBox" name="mixAGC">
+       <property name="toolTip">
+        <string>Toggle mixer AGC</string>
+       </property>
+       <property name="text">
+        <string>AGC</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>
@@ -463,17 +486,17 @@
   </layout>
  </widget>
  <customwidgets>
+  <customwidget>
+   <class>ButtonSwitch</class>
+   <extends>QToolButton</extends>
+   <header>gui/buttonswitch.h</header>
+  </customwidget>
   <customwidget>
    <class>ValueDial</class>
    <extends>QWidget</extends>
    <header>gui/valuedial.h</header>
    <container>1</container>
   </customwidget>
-  <customwidget>
-   <class>ButtonSwitch</class>
-   <extends>QToolButton</extends>
-   <header>gui/buttonswitch.h</header>
-  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>

plugins/samplesource/airspy/airspyinput.cpp

@@ -350,6 +350,25 @@ bool AirspyInput::applySettings(const AirspySettings& settings, bool force)
 		}
 	}
 
+	if ((m_settings.m_lnaAGC != settings.m_lnaAGC) || force)
+	{
+		m_settings.m_lnaAGC = settings.m_lnaAGC;
+
+		if (m_dev != 0)
+		{
+			rc = (airspy_error) airspy_set_lna_agc(m_dev, (m_settings.m_lnaAGC ? 1 : 0));
+		}
+
+		if(rc != AIRSPY_SUCCESS)
+		{
+			qDebug("AirspyInput::applySettings: airspy_set_lna_agc failed: %s", airspy_error_name(rc));
+		}
+		else
+		{
+			qDebug() << "AirspyInput:applySettings: LNA AGC set to " << m_settings.m_lnaAGC;
+		}
+	}
+
 	if ((m_settings.m_mixerGain != settings.m_mixerGain) || force)
 	{
 		m_settings.m_mixerGain = settings.m_mixerGain;
@@ -369,6 +388,25 @@ bool AirspyInput::applySettings(const AirspySettings& settings, bool force)
 		}
 	}
 
+	if ((m_settings.m_mixerAGC != settings.m_mixerAGC) || force)
+	{
+		m_settings.m_mixerAGC = settings.m_mixerAGC;
+
+		if (m_dev != 0)
+		{
+			rc = (airspy_error) airspy_set_mixer_agc(m_dev, (m_settings.m_mixerAGC ? 1 : 0));
+		}
+
+		if(rc != AIRSPY_SUCCESS)
+		{
+			qDebug("AirspyInput::applySettings: airspy_set_mixer_agc failed: %s", airspy_error_name(rc));
+		}
+		else
+		{
+			qDebug() << "AirspyInput:applySettings: Mixer AGC set to " << m_settings.m_mixerAGC;
+		}
+	}
+
 	if ((m_settings.m_vgaGain != settings.m_vgaGain) || force)
 	{
 		m_settings.m_vgaGain = settings.m_vgaGain;

plugins/samplesource/airspy/airspysettings.cpp

@@ -31,6 +31,8 @@ void AirspySettings::resetToDefaults()
 	m_lnaGain = 14;
 	m_mixerGain = 15;
 	m_vgaGain = 4;
+	m_lnaAGC = false;
+	m_mixerAGC = false;
 	m_log2Decim = 0;
 	m_fcPos = FC_POS_CENTER;
 	m_biasT = false;
@@ -52,6 +54,8 @@ QByteArray AirspySettings::serialize() const
 	s.writeBool(8, m_biasT);
 	s.writeBool(9, m_dcBlock);
 	s.writeBool(10, m_iqCorrection);
+	s.writeBool(11, m_lnaAGC);
+	s.writeBool(12, m_mixerAGC);
 
 	return s.final();
 }
@@ -81,6 +85,8 @@ bool AirspySettings::deserialize(const QByteArray& data)
 		d.readBool(8, &m_biasT, false);
 		d.readBool(9, &m_dcBlock, false);
 		d.readBool(10, &m_iqCorrection, false);
+		d.readBool(11, &m_lnaAGC, false);
+		d.readBool(12, &m_mixerAGC, false);
 
 		return true;
 	}

plugins/samplesource/airspy/airspysettings.h

@@ -30,6 +30,8 @@ struct AirspySettings {
 	quint32 m_lnaGain;
 	quint32 m_mixerGain;
 	quint32 m_vgaGain;
+	bool m_lnaAGC;
+	bool m_mixerAGC;
 	quint32 m_log2Decim;
 	fcPos_t m_fcPos;
 	bool m_biasT;