Changing from NAV_DLL_N to COM_DL_LOSS_T for determining data link loss (telemetry).

src/AutoPilotPlugins/PX4/SafetyComponent.cc

 /*=====================================================================
- 
+
  QGroundControl Open Source Ground Control Station
- 
+
  (c) 2009 - 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
- 
+
  This file is part of the QGROUNDCONTROL project
- 
+
  QGROUNDCONTROL is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
- 
+
  QGROUNDCONTROL is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
- 
+
  You should have received a copy of the GNU General Public License
  along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
- 
+
  ======================================================================*/
 
 /// @file
@@ -67,7 +67,7 @@ bool SafetyComponent::setupComplete(void) const
 QString SafetyComponent::setupStateDescription(void) const
 {
     const char* stateDescription;
-    
+
     if (requiresSetup()) {
         stateDescription = "Requires setup";
     } else {
@@ -84,7 +84,7 @@ const char** SafetyComponent::setupCompleteChangedTriggerList(void) const
 QStringList SafetyComponent::paramFilterList(void) const
 {
     QStringList list;
-    
+
     return list;
 }
 
@@ -92,11 +92,11 @@ QWidget* SafetyComponent::setupWidget(void) const
 {
     QGCQmlWidgetHolder* holder = new QGCQmlWidgetHolder();
     Q_CHECK_PTR(holder);
-    
+
     holder->setAutoPilot(_autopilot);
-    
+
     holder->setSource(QUrl::fromUserInput("qrc:/qml/SafetyComponent.qml"));
-    
+
     return holder;
 }
 
@@ -109,10 +109,10 @@ QString SafetyComponent::prerequisiteSetup(void) const
 {
     PX4AutoPilotPlugin* plugin = dynamic_cast<PX4AutoPilotPlugin*>(_autopilot);
     Q_ASSERT(plugin);
-    
+
     if (!plugin->airframeComponent()->setupComplete()) {
         return plugin->airframeComponent()->name();
     }
-    
+
     return QString();
 }

src/AutoPilotPlugins/PX4/SafetyComponent.qml

@@ -47,7 +47,7 @@ Rectangle {
                 }
                 FactTextField {
                     id: telemetryLossField
-                    fact: autopilot.parameters["NAV_DLL_N"];
+                    fact: autopilot.parameters["COM_DL_LOSS_T"];
                     showUnits: true
                 }
             }