These are all unused variable or parameter warning fixes

src/comm/MAVLinkSimulationLink.cc

@@ -55,7 +55,7 @@ This file is part of the QGROUNDCONTROL project
  * @param writeFile The received messages are written to that file
  * @param rate The rate at which the messages are sent (in intervals of milliseconds)
  **/
-MAVLinkSimulationLink::MAVLinkSimulationLink(QString readFile, QString writeFile, int rate, QObject* parent) :
+MAVLinkSimulationLink::MAVLinkSimulationLink(QString readFile, QString writeFile, int rate) :
     readyBytes(0),
     timeOffset(0)
 {

src/comm/MAVLinkSimulationLink.h

@@ -48,7 +48,7 @@ class MAVLinkSimulationLink : public LinkInterface
 {
     Q_OBJECT
 public:
-    MAVLinkSimulationLink(QString readFile="", QString writeFile="", int rate=5, QObject* parent = 0);
+    MAVLinkSimulationLink(QString readFile="", QString writeFile="", int rate=5);
     ~MAVLinkSimulationLink();
     bool isConnected() const;
     qint64 bytesAvailable();

src/comm/MAVLinkSimulationMAV.cc

@@ -303,6 +303,11 @@ void MAVLinkSimulationMAV::mainloop()
     timer25Hz--;
 }
 
+// Uncomment to turn on debug message printing
+//#define DEBUG_PRINT_MESSAGE
+
+#ifdef DEBUG_PRINT_MESSAGE
+
 //static unsigned chan_counts[MAVLINK_COMM_NUM_BUFFERS];
 
 static const unsigned message_lengths[] = MAVLINK_MESSAGE_LENGTHS;
@@ -376,17 +381,22 @@ static void print_field(const mavlink_message_t *msg, const mavlink_field_info_t
     }
     qDebug(" ");
 }
+#endif
 
 static void print_message(const mavlink_message_t *msg)
 {
+#ifdef DEBUG_PRINT_MESSAGE
     const mavlink_message_info_t *m = &message_info[msg->msgid];
     const mavlink_field_info_t *f = m->fields;
     unsigned i;
-//    qDebug("%s { ", m->name);
-//    for (i=0; i<m->num_fields; i++) {
-//        print_field(msg, &f[i]);
-//    }
-//    qDebug("}\n");
+    qDebug("%s { ", m->name);
+    for (i=0; i<m->num_fields; i++) {
+        print_field(msg, &f[i]);
+    }
+    qDebug("}\n");
+#else
+    Q_UNUSED(msg);
+#endif
 }
 
 void MAVLinkSimulationMAV::handleMessage(const mavlink_message_t& msg)

src/comm/MAVLinkSwarmSimulationLink.cc

 #include "MAVLinkSwarmSimulationLink.h"
 
-MAVLinkSwarmSimulationLink::MAVLinkSwarmSimulationLink(QString readFile, QString writeFile, int rate, QObject *parent) :
-    MAVLinkSimulationLink(readFile, writeFile, rate, parent)
+MAVLinkSwarmSimulationLink::MAVLinkSwarmSimulationLink(QString readFile, QString writeFile, int rate) :
+    MAVLinkSimulationLink(readFile, writeFile, rate)
 {
 }
 

src/comm/MAVLinkSwarmSimulationLink.h

@@ -7,7 +7,7 @@ class MAVLinkSwarmSimulationLink : public MAVLinkSimulationLink
 {
     Q_OBJECT
 public:
-    MAVLinkSwarmSimulationLink(QString readFile="", QString writeFile="", int rate=5, QObject *parent = 0);
+    MAVLinkSwarmSimulationLink(QString readFile="", QString writeFile="", int rate=5);
 
 signals:
 

src/qgcunittest/MockUAS.h

@@ -154,7 +154,7 @@ public slots:
     virtual void setLocalPositionSetpoint(float x, float y, float z, float yaw)
         { Q_UNUSED(x); Q_UNUSED(y); Q_UNUSED(z); Q_UNUSED(yaw); Q_ASSERT(false); };
     virtual void setLocalPositionOffset(float x, float y, float z, float yaw) { Q_UNUSED(x); Q_UNUSED(y); Q_UNUSED(z); Q_UNUSED(yaw); Q_ASSERT(false); };
-    virtual void startRadioControlCalibration(int param) { Q_ASSERT(false); };
+    virtual void startRadioControlCalibration(int param) { Q_UNUSED(param); Q_ASSERT(false); };
     virtual void endRadioControlCalibration() { Q_ASSERT(false); };
     virtual void startMagnetometerCalibration() { Q_ASSERT(false); };
     virtual void startGyroscopeCalibration() { Q_ASSERT(false); };

src/uas/UAS.cc

@@ -3086,23 +3086,6 @@ void UAS::sendHilGroundTruth(quint64 time_us, float roll, float pitch, float yaw
     Q_UNUSED(yacc);
     Q_UNUSED(zacc);
     
-        float q[4];
-
-        double cosPhi_2 = cos(double(roll) / 2.0);
-        double sinPhi_2 = sin(double(roll) / 2.0);
-        double cosTheta_2 = cos(double(pitch) / 2.0);
-        double sinTheta_2 = sin(double(pitch) / 2.0);
-        double cosPsi_2 = cos(double(yaw) / 2.0);
-        double sinPsi_2 = sin(double(yaw) / 2.0);
-        q[0] = (cosPhi_2 * cosTheta_2 * cosPsi_2 +
-                sinPhi_2 * sinTheta_2 * sinPsi_2);
-        q[1] = (sinPhi_2 * cosTheta_2 * cosPsi_2 -
-                cosPhi_2 * sinTheta_2 * sinPsi_2);
-        q[2] = (cosPhi_2 * sinTheta_2 * cosPsi_2 +
-                sinPhi_2 * cosTheta_2 * sinPsi_2);
-        q[3] = (cosPhi_2 * cosTheta_2 * sinPsi_2 -
-                sinPhi_2 * sinTheta_2 * cosPsi_2);
-
         // Emit attitude for cross-check
         emit valueChanged(uasId, "roll sim", "rad", roll, getUnixTime());
         emit valueChanged(uasId, "pitch sim", "rad", pitch, getUnixTime());

src/ui/HUD.cc

@@ -601,7 +601,7 @@ void HUD::paintHUD()
 
             xImageFactor = width() / (float)glImage.width();
             yImageFactor = height() / (float)glImage.height();
-            float imageFactor = qMin(xImageFactor, yImageFactor);
+            //float imageFactor = qMin(xImageFactor, yImageFactor);
             // Resize to correct size and fill with image
             // FIXME
 

src/ui/QGCPX4VehicleConfig.cc

@@ -1836,13 +1836,13 @@ void QGCPX4VehicleConfig::parameterChanged(int uas, int component, QString param
     else {
         //Param recieved that we have no metadata for. Search to see if it belongs in a
         //group with some other params
-        bool found = false;
+        //bool found = false;
         for (int i=0;i<toolWidgets.size();i++) {
             if (parameterName.startsWith(toolWidgets[i]->objectName())) {
                 //It should be grouped with this one, add it.
                 toolWidgets[i]->addParam(uas,component,parameterName,value);
                 libParamToWidgetMap.insert(parameterName,toolWidgets[i]);
-                found  = true;
+                //found  = true;
                 break;
             }
         }