Added DSM-X support

src/ui/QGCPX4VehicleConfig.cc

@@ -335,9 +335,23 @@ void QGCPX4VehicleConfig::toggleCalibrationRC(bool enabled)
 
 void QGCPX4VehicleConfig::toggleSpektrumPairing(bool enabled)
 {
+    if (!ui->dsm2RadioButton->isChecked() && !ui->dsmxRadioButton) {
+        // Reject
+        QMessageBox warnMsgBox;
+        warnMsgBox.setText(tr("Please select a Spektrum Protocol Version"));
+        warnMsgBox.setInformativeText(tr("Please select either DSM2 or DSM-X\ndirectly below the pair button,\nbased on the receiver type."));
+        warnMsgBox.setStandardButtons(QMessageBox::Ok);
+        warnMsgBox.setDefaultButton(QMessageBox::Ok);
+        (void)warnMsgBox.exec();
+    }
+
     if (enabled)
     {
-        mav->getParamManager()->setPendingParam(0, "RC_DSM_BIND", (int)1);
+        int mode = 1; // DSM2
+        if (ui->dsmxRadioButton->isChecked())
+            mode = 2; // DSMX
+
+        mav->getParamManager()->setPendingParam(0, "RC_DSM_BIND", mode);
         // Do not save this parameter, just set in RAM
         mav->getParamManager()->sendPendingParameters();
     }

src/ui/QGCPX4VehicleConfig.ui

@@ -205,6 +205,23 @@
                </property>
               </widget>
              </item>
+             <item>
+              <widget class="QRadioButton" name="dsm2RadioButton">
+               <property name="text">
+                <string>DSM2 Mode</string>
+               </property>
+               <property name="checked">
+                <bool>true</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QRadioButton" name="dsmxRadioButton">
+               <property name="text">
+                <string>DSMX Mode</string>
+               </property>
+              </widget>
+             </item>
              <item>
               <spacer name="verticalSpacer_3">
                <property name="orientation">
@@ -853,8 +870,8 @@
                   <rect>
                    <x>0</x>
                    <y>0</y>
-                   <width>16</width>
-                   <height>16</height>
+                   <width>98</width>
+                   <height>28</height>
                   </rect>
                  </property>
                  <layout class="QHBoxLayout" name="horizontalLayout_4">
@@ -890,8 +907,8 @@
                   <rect>
                    <x>0</x>
                    <y>0</y>
-                   <width>16</width>
-                   <height>16</height>
+                   <width>98</width>
+                   <height>28</height>
                   </rect>
                  </property>
                  <layout class="QHBoxLayout" name="horizontalLayout_5">
@@ -941,8 +958,8 @@
                   <rect>
                    <x>0</x>
                    <y>0</y>
-                   <width>16</width>
-                   <height>16</height>
+                   <width>98</width>
+                   <height>28</height>
                   </rect>
                  </property>
                  <layout class="QVBoxLayout" name="verticalLayout_7">