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#include "maemo6magnetometer.h"

char const * const maemo6magnetometer::id("maemo6.magnetometer");
bool maemo6magnetometer::m_initDone = false;
const float maemo6magnetometer::NANO = 0.000000001;


maemo6magnetometer::maemo6magnetometer(QSensor *sensor)
    : maemo6sensorbase(sensor)
{
    const QString sensorName = "magnetometersensor";
    initSensor<MagnetometerSensorChannelInterface>(sensorName, m_initDone);

    setRanges(NANO);

    if (m_sensorInterface){
        if (!(QObject::connect(m_sensorInterface, SIGNAL(dataAvailable(const MagneticField&)),
                               this, SLOT(slotDataAvailable(const MagneticField&)))))
            qWarning() << "Unable to connect "<< sensorName;
    }
    else
        qWarning() << "Unable to initialize "<< sensorName;

    setReading<QMagnetometerReading>(&m_reading);

}

void maemo6magnetometer::start(){
    maemo6sensorbase::start();
    QVariant v = sensor()->property("returnGeoValues");
    m_isGeoMagnetometer =  v.isValid() && v.toBool()? true: false;
}

void maemo6magnetometer::slotDataAvailable(const MagneticField& data)
{

    //nanoTeslas given, divide with 10^9 to get Teslas
    m_reading.setX( NANO * m_isGeoMagnetometer?data.x():data.rx());
    m_reading.setY( NANO * m_isGeoMagnetometer?data.y():data.ry());
    m_reading.setZ( NANO * m_isGeoMagnetometer?data.z():data.rz());
    m_reading.setCalibrationLevel( m_isGeoMagnetometer?((float) data.level()) / 3.0 :1);


    m_reading.setTimestamp(data.timestamp());
    newReadingAvailable();
}