Implementation of Camera Gimbal configuration

qgroundcontrol.qrc

@@ -115,6 +115,10 @@
         <file>files/images/devices/BR-0004-03-2.jpg</file>
         <file>files/images/devices/BR-0016-01-3T.jpg</file>
         <file>files/images/devices/MinimOSD.jpg</file>
+        <file>files/images/devices/cameraGimalPitch1.png</file>
+        <file>files/images/devices/cameraGimalRoll1.png</file>
+        <file>files/images/devices/cameraGimalYaw.png</file>
+        <file>files/images/devices/Shutter.png</file>
     </qresource>
     <qresource prefix="/general">
         <file alias="vera.ttf">files/styles/Vera.ttf</file>

src/ui/QGCParamWidget.cc

@@ -1017,6 +1017,11 @@ void QGCParamWidget::setParameter(int component, QString parameterName, QVariant
         statusLabel->setText(tr("REJ. %1 > max").arg(value.toDouble()));
         return;
     }
+    if (parameters.value(component)->value(parameterName) == value)
+    {
+        qDebug() << "Value not changed, not sending:" << parameterName << value;
+        return;
+    }
 
     switch (parameters.value(component)->value(parameterName).type())
     {

src/ui/configuration/CameraGimbalConfig.h

@@ -2,16 +2,23 @@
 #define CAMERAGIMBALCONFIG_H
 
 #include <QWidget>
+#include "AP2ConfigWidget.h"
 #include "ui_CameraGimbalConfig.h"
 
-class CameraGimbalConfig : public QWidget
+class CameraGimbalConfig : public AP2ConfigWidget
 {
     Q_OBJECT
     
 public:
     explicit CameraGimbalConfig(QWidget *parent = 0);
     ~CameraGimbalConfig();
-    
+private slots:
+    void parameterChanged(int uas, int component, QString parameterName, QVariant value);
+    void updateTilt();
+    void updateRoll();
+    void updatePan();
+    void updateShutter();
+
 private:
     Ui::CameraGimbalConfig ui;
 };