Implement new interface method sendDeviceParameter()

src/ATBAPP/ATBDeviceControllerPlugin.h

@@ -44,6 +44,8 @@ public:
     // interface:
     PLUGIN_STATE initDCPlugin(QObject *eventReceiver, const QSettings & settings);
 
+    void sendDeviceParameter(const QJsonObject & jsonObject);
+
     // TASKS: Cash handling -------------------------------------------------------
     void requestStartCashInput(const QString & amount);
     void requestStopCashInput();