def __init__(self):
        super(MainController, self).__init__()
        self.ser = Serial(WIFLY_SERIAL_PORT, WIFLY_BAUD_RATE)
        self.wiflyReceiver = WiflyReceiver(self.ser)
        self.wiflySender = WiflySender(self.ser)
        self.rover = Rover()
        self.mainWidget = MainWidget()
        self.wiflyReceiverThread = QThread()
        self.wiflyReceiver.moveToThread(self.wiflyReceiverThread)
        self.wiflySenderThread = QThread()
        self.wiflySender.moveToThread(self.wiflySenderThread)
        self.simState = SIMULATION_STATE_PHASE_1
        self.simTimer = QTimer()
        self.simTimer.setSingleShot(True)

        self.wiflyReceiver.msgReceived.connect(self.mainWidget.appendMsg)
        self.wiflyReceiver.msgReceived.connect(self.rover.processData)
        self.newCommand.connect(self.wiflySender.sendMsg)
        self.appStart.connect(self.wiflyReceiver.processMsg)
        self.mainWidget.ui.gearSlider.valueChanged.connect(
            self.manualGearChange)
        self.mainWidget.ui.upButton.clicked.connect(self.manualMoveForward)
        self.mainWidget.ui.downButton.clicked.connect(self.manualMoveBackward)
        self.mainWidget.ui.leftButton.clicked.connect(self.manualMoveLeft)
        self.mainWidget.ui.rightButton.clicked.connect(self.manualMoveRight)
        self.mainWidget.ui.brakeButton.clicked.connect(self.manualStop)
        self.mainWidget.ui.simulationButton.clicked.connect(
            self.simulationStart)
        self.rover.newRoverPosition.connect(self.drawRover)
        self.rover.newWallDetected.connect(self.drawNewWall)
        self.simTimer.timeout.connect(self.simulationUpdate)

        self.mapScene = QGraphicsScene(0, 0, WORLD_X / CANVAS_RATIO,
                                       WORLD_Y / CANVAS_RATIO)
        self.mainWidget.ui.mappingGraphicsView.setScene(self.mapScene)

        self.roverRect = QGraphicsRectItem()
        self.mapScene.addItem(self.roverRect)
        """