added persistent address

mainwindow.h

@@ -2,6 +2,7 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
+#include <QSettings>
 #include <QTimer>
 #include "QtNetwork/QNetworkAccessManager"
 
@@ -40,20 +41,23 @@ private:
     Ui::MainWindow *ui;
 
     QString mAddress;
+    QSettings mSettings;
     QTimer mTimerValCollect;
-    QTimer mTimerUpdate;
+    QTimer mTimerUpdateState;
+    QTimer mTimerUpdateAddress;
 
     bool mPowered = false;
     int mVolume = 0;
     QString mInput;
-    const int COLLECTTIME = 400;
-    const int UPDATETIME = 20000;
+    const int TIME_VOL_COLLECT = 400;
+    const int TIME_UPDATE_STATE = 5000;
+    const int TIME_UPDATE_ADDRESS = 1000;
+
 
     void sendCommand(QString cmd);
     void updateUi();
-    void sendVolume();
-
     void setActiveButton(QString prop);
+    void sendVolume();
 };
 
 }