GUI controls for setting squelch level. Closes #7.

gqrx-sdr · Jul 16, 2011 · fb52789 · fb52789
1 parent b09c204
commit fb52789
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Showing 5 changed files with 103 additions and 2 deletions.
diff --git a/mainwindow.cc b/mainwindow.cc
@@ -82,6 +82,7 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(uiDockRxOpt, SIGNAL(fmEmphSelected(double)), this, SLOT(setFmEmph(double)));
     connect(uiDockRxOpt, SIGNAL(sidebandSelected(int)), this, SLOT(setSideBand(int)));
     connect(uiDockRxOpt, SIGNAL(audioGainChanged(int)), this, SLOT(setAudioGain(int)));
+    connect(uiDockRxOpt, SIGNAL(sqlLevelChanged(double)), this, SLOT(setSqlLevel(double)));
 }
 
 MainWindow::~MainWindow()
@@ -338,6 +339,15 @@ void MainWindow::setAudioGain(int value)
 }
 
 
+/*! \brief Squelch level changed.
+ *  \param level_db The new squelch level in dBFS.
+ */
+void MainWindow::setSqlLevel(double level_db)
+{
+    rx->set_sql_level(level_db);
+}
+
+
 /*! \brief Signal strength meter timeout */
 void MainWindow::meterTimeout()
 {

diff --git a/mainwindow.h b/mainwindow.h
@@ -67,6 +67,7 @@ private slots:
     void setAmDcrStatus(bool enabled);
     void setSideBand(int sideband);
     void setAudioGain(int gain);
+    void setSqlLevel(double level_db);
 
     void on_rxStartStopButton_toggled(bool checked);   /*! RX start/stop button toggled. */
     void on_plotter_NewDemodFreq(qint64 freq, qint64 delta);   /*! New demod freq (aka. filter offset). */

diff --git a/qtgui/dockrxopt.cc b/qtgui/dockrxopt.cc
@@ -188,3 +188,15 @@ void DockRxOpt::on_audioGainSlider_valueChanged(int value)
     ui->audioGainDbLabel->setText(QString("%1 dB").arg(value/10));
     emit audioGainChanged(value);
 }
+
+
+/*! \brief Squelch level change.
+ *  \param value The new squelch level in tens of dB (because slider uses int).
+ */
+void DockRxOpt::on_sqlSlider_valueChanged(int value)
+{
+    double level = double(value) / 10.0;
+
+    ui->sqlValueLabel->setText(QString("%1 dB").arg(level));
+    emit sqlLevelChanged(level);
+}
diff --git a/qtgui/dockrxopt.h b/qtgui/dockrxopt.h
@@ -76,13 +76,18 @@ class DockRxOpt : public QDockWidget
     /*! \brief Signal emitted when audio gain has changed. */
     void audioGainChanged(int gain);
 
+    /*! \brief Signal emitted when squelch level has changed. Level is in dBFS. */
+    void sqlLevelChanged(double level);
+
+
 private slots:
     void on_modeSelector_activated(int index);
     void on_maxdevSelector_activated(int index);
     void on_emphSelector_activated(int index);
     void on_dcr_toggled(bool checked);
     void on_sidebandSelector_activated(int index);
     void on_audioGainSlider_valueChanged(int value);
+    void on_sqlSlider_valueChanged(int value);
 
 private:
     Ui::DockRxOpt *ui;   /*! The Qt designer UI file. */

diff --git a/qtgui/dockrxopt.ui b/qtgui/dockrxopt.ui
@@ -354,8 +354,8 @@
         <rect>
          <x>0</x>
          <y>0</y>
-         <width>98</width>
-         <height>28</height>
+         <width>197</width>
+         <height>202</height>
         </rect>
        </property>
        <property name="toolTip">
@@ -364,6 +364,79 @@
        <attribute name="label">
         <string>AGC / SQL</string>
        </attribute>
+       <widget class="Line" name="line_2">
+        <property name="geometry">
+         <rect>
+          <x>0</x>
+          <y>40</y>
+          <width>191</width>
+          <height>16</height>
+         </rect>
+        </property>
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+       </widget>
+       <widget class="QWidget" name="layoutWidget">
+        <property name="geometry">
+         <rect>
+          <x>0</x>
+          <y>0</y>
+          <width>191</width>
+          <height>44</height>
+         </rect>
+        </property>
+        <layout class="QGridLayout" name="gridLayout_2">
+         <item row="0" column="0">
+          <widget class="QLabel" name="sqlLabel">
+           <property name="text">
+            <string>Squelch</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1">
+          <widget class="QLabel" name="sqlValueLabel">
+           <property name="text">
+            <string>-100.0 dB</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item row="1" column="0" colspan="2">
+          <widget class="QSlider" name="sqlSlider">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="toolTip">
+            <string>Squelch level in dBFS</string>
+           </property>
+           <property name="minimum">
+            <number>-1000</number>
+           </property>
+           <property name="maximum">
+            <number>0</number>
+           </property>
+           <property name="pageStep">
+            <number>100</number>
+           </property>
+           <property name="value">
+            <number>-1000</number>
+           </property>
+           <property name="orientation">
+            <enum>Qt::Horizontal</enum>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
       </widget>
       <widget class="QWidget" name="pageAudio">
        <property name="geometry">