added auto disconnect on port error

Spherebot_UI/Spherebot_UI.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.4.2, 2016-02-27T16:13:07. -->
+<!-- Written by QtCreator 3.4.2, 2016-02-27T16:42:28. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

Spherebot_UI/mainwindow.cpp

@@ -30,6 +30,8 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(Receiver,   SIGNAL(lineReceived(QString)),this, SLOT(processReceivedData(QString)));
     connect(Receiver,   SIGNAL(lineReceived(QString)),this->bot,  SLOT(processAnswer(QString)));
 
+    connect(bot->port,  SIGNAL(error(QSerialPort::SerialPortError)),this,SLOT(handle_port_error(QSerialPort::SerialPortError)));
+
     initUI();
     initSateMachine();
 
@@ -44,7 +46,6 @@ MainWindow::MainWindow(QWidget *parent) :
     setWindowTitle("Spherebot Controll");
 
     qDebug()<<"mainwindow initialised: ";
-    connect(restartLayerMsgBox,SIGNAL(accepted()),this,SLOT(hey()));
 }
 
 void MainWindow::fitgraphicsView()      ////function to trigger the fitIn function for the graphics view. Actually this shouldn´t be necessary!
@@ -266,6 +267,7 @@ void MainWindow::initSateMachine()
     /////////////////////////////////////////////////// Transitions
 
     connected->addTransition(ui->connectButton,     SIGNAL(clicked()),disconnected);
+    connected->addTransition(this,SIGNAL(force_disconnect()),disconnected);
     disconnected->addTransition(ui->connectButton,  SIGNAL(clicked()),try_connect);
     try_connect->addTransition(this,         SIGNAL(successfully_connected()),connected);
     try_connect->addTransition(this,         SIGNAL(not_successfully_connected()),disconnected);
@@ -372,6 +374,15 @@ MainWindow::~MainWindow()
     SaveSettings();
     delete ui;
 }
+
+void MainWindow::handle_port_error(QSerialPort::SerialPortError err)
+{
+    if(err != QSerialPort::NoError)
+    {
+        emit force_disconnect();
+        resetPortList();
+    }
+}
 ///////////////////////////////////////////////////////////////////////////////
 
 bool MainWindow::LoadSettings()

Spherebot_UI/mainwindow.h

@@ -15,6 +15,7 @@
 #include <QGraphicsSvgItem>
 #include <QMessageBox>
 #include <QStateMachine>
+#include <QSerialPort>
 
 
 #define DEFAULTDIAMETER 20
@@ -93,6 +94,7 @@ private slots:
     bool saveFile(const QString &fileName);
 
 signals:
+    void force_disconnect();
     void successfully_connected();
     void not_successfully_connected();
 
@@ -102,6 +104,10 @@ private slots:
     void restart_print();
     void abort_restart_print();
 
+public slots:
+    void handle_port_error(QSerialPort::SerialPortError err);
+
+
 private:
 
     void setCurrentFile(const QString &fileName);