DeviceControllerInterface: erroCode is a string

src/ATBAPP/ATBDeviceControllerPlugin.cpp

@@ -74,7 +74,7 @@ PLUGIN_STATE ATBDeviceControllerPlugin::getState()
     return this->pluginState;
 }
 
-quint32 ATBDeviceControllerPlugin::getLastError()
+QString & ATBDeviceControllerPlugin::getLastError()
 {
     return this->errorCode;
 }

src/ATBAPP/ATBDeviceControllerPlugin.h

@@ -51,7 +51,7 @@ public:
 
     // mandantory ATBAPP plugin methods: ------------------------------------------
     nsDeviceControllerInterface::PLUGIN_STATE getState();
-    quint32 getLastError();
+    QString & getLastError();
     const QString & getLastErrorDescription();
 
     const QString & getPluginInfo();
@@ -89,8 +89,7 @@ signals:
 
 
 private:
-   quint32 errorCode;
-   QString errorCodeString;
+   QString errorCode;
    QString errorDescription;
    QString pluginInfo;
 

src/ATBAPP/DeviceControllerInterface.h

@@ -52,7 +52,7 @@ public:
 
     // mandantory ATBAPP plugin methods:
     virtual nsDeviceControllerInterface::PLUGIN_STATE getState() = 0;
-    virtual quint32 getLastError() = 0;
+    virtual const QString & getLastError() = 0;
     virtual const QString & getLastErrorDescription() = 0;
 
     // return a plugin description in JSON or XML