Refactored a8 codes and added remote testing app a8_remote.

misc/camera/a8/remoteControl.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <QJsonObject>
+#include <QObject>
+#include <QString>
+
+class RemoteControl : public QObject
+{
+    Q_OBJECT
+
+public:
+    RemoteControl();
+    ~RemoteControl();
+    void openNamedPipe(void);
+    void run();
+
+private slots:
+    QJsonObject calculateTargetPosition(QJsonObject &commandObject, QJsonObject &responseObject);
+    void turnToTarget(QJsonObject &commandObject);
+    void zoomToTarget(QJsonObject &commandObject);
+    void restoreOrientation(void);
+    void restoreZoom(void);
+    void whenDone(void);
+
+private:
+    int mFifoFdIn;
+    int mFifoFdOut;
+};