1 

     2 

     3 #include "inputcontroller.h"

     4 #include "magnetometercontroller.h"

     5 #include "view.h"

     6 #include <qmagnetometer.h>

     7 

     8 MagnetometerController::MagnetometerController(): m_width(View::m_imageWidth){}

     9 

    10 

    11 void MagnetometerController::startSensor()

    12 {

    13     m_magnetometer.setProperty("returnGeoValues", true);

    14     m_magnetometer.connectToBackend();

    15     m_magnetometer.start();

    16     connect(&m_magnetometer, SIGNAL(readingChanged()), this, SLOT(update()));

    17 }

    18 

    19 void MagnetometerController::stopSensor() { m_magnetometer.stop();}

    20 

    21 

    22 void MagnetometerController::update()

    23 {

    24     qreal azimuth = -m_magnetometer.reading()->z();

    25     azimuth = azimuth<0?360+azimuth:azimuth;

    26     m_x = (int)(-azimuth * m_width/360);

    27 

    28 

    29     //TODO: consider provide y values based on x and y

    30 }

    31 

    32 

    33 

    34