added working volume and -rounding

mainwindow.cpp

@@ -40,7 +40,6 @@ void MainWindow::sendCommand(QString cmd)
     QNetworkAccessManager *networkManager = new QNetworkAccessManager(this);
     networkManager->post(request, cmd.toUtf8());
     connect(networkManager, &QNetworkAccessManager::finished, this, &MainWindow::replyFinished);
-    networkManager->deleteLater();
 }
 
 void MainWindow::replyFinished(QNetworkReply* reply)
@@ -73,8 +72,6 @@ void MainWindow::replyFinished(QNetworkReply* reply)
         mVolume = matchVolume.captured(1).toInt();
     }
 
-    qDebug() << ans;
-
     reply->deleteLater();
     updateUi();
 }
@@ -116,22 +113,21 @@ void MainWindow::on_btn_onoff_clicked()
 void MainWindow::on_dial_valueChanged(int value)
 {
     int d = value % 10;
-    qDebug() << d;
+
     if (!( d == -5 || d == 0 ))
         value -= d;
 
     ui->lbl_volume->setText(QString::number(value));
+    ui->dial->setValue(value);
     mVolume = value;
     mTimer.start(WAITTIME);
 }
 
 void MainWindow::sendVolume()
 {
-//    sendCommand("<YAMAHA_AV cmd=\"PUT\"><Main_Zone><Volume><Lvl><Val>"
-//                + QString::number(mVolume)
-//                + "</Val><Exp>1</Exp><Unit>dB</Unit></Lvl></Volume></Main_Zone></YAMAHA_AV>");
+    sendCommand("<YAMAHA_AV cmd=\"PUT\"><Main_Zone><Volume><Lvl><Val>"
+                + QString::number(mVolume)
+                + "</Val><Exp>1</Exp><Unit>dB</Unit></Lvl></Volume></Main_Zone></YAMAHA_AV>");
 }
 
 }
-
-