add filters & callback support

connections/gvretserial.h

@@ -44,18 +44,6 @@ public:
     GVRetSerial(QString portName);
     virtual ~GVRetSerial();
 
-signals:
-    void error(const QString &);
-
-    void status(CANCon::status);
-    void deviceInfo(int, int); //First param = driver version (or version of whatever you want), second param a status byte
-
-    //bus number, bus speed, status (bit 0 = enabled, 1 = single wire, 2 = listen only)
-    //3 = Use value stored for enabled, 4 = use value passed for single wire, 5 = use value passed for listen only
-    //6 = use value passed for speed. This allows bus status to be updated but set that some things aren't really
-    //being passed. Just set for things that really are being updated.
-    void busStatus(int, int, int);
-
 protected:
 
     virtual void piStarted();