added basic tests for callback & filters

connectionwindow.h

@@ -8,8 +8,9 @@
 #include <QDebug>
 #include <QSettings>
 #include <QTimer>
-//#include "canconnection_old.h"
-//#include "serialworker.h"
+/*test*/
+#include <QMetaMethod>
+/******/
 #include "canconnectionmodel.h"
 #include "canframemodel.h"
 
@@ -33,6 +34,7 @@ public:
     QString getPortName(); //name of port to connect to
     CANCon::type getConnectionType();
     bool getSWMode();
+    void callback(CANCon::cbtype pType);
 
 signals:
     void updateBusSettings(CANBus *bus);
@@ -68,6 +70,11 @@ private:
     CANFrameModel *canModel;
     QTimer mTicker;
 
+    QAtomicInt mRefreshReqOngoing;
+
+    /*test*/
+    QMetaMethod mRefreshM;
+
 
     void selectSerial();
     void selectKvaser();