qtmobility/plugins/sensors/maemo6/maemo6magnetometer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:41:33 +0300
changeset 5 453da2cfceef
child 8 71781823f776
permissions -rw-r--r--
Revision: 201017 Kit: 201019

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#include "maemo6magnetometer.h"

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

maemo6magnetometer::maemo6magnetometer(QSensor *sensor)
    : maemo6sensorbase(sensor), m_sensor(sensor)
{
    setReading<QMagnetometerReading>(&m_reading);

    if (!m_initDone) {
        qDBusRegisterMetaType<MagneticField>();
        initSensor<MagnetometerSensorChannelInterface>("magnetometersensor");

        if (m_sensorInterface)
            QObject::connect(static_cast<const MagnetometerSensorChannelInterface*>(m_sensorInterface), SIGNAL(dataAvailable(const MagneticField&)), this, SLOT(slotDataAvailable(const MagneticField&)));
        else
            qWarning() << "Unable to initialize magnetometer sensor.";

        // metadata
        setDescription(QLatin1String("Magnetic flux density measured in teslas"));

        m_initDone = true;
    }
}

void maemo6magnetometer::slotDataAvailable(const MagneticField& data)
{
    QVariant v = m_sensor->property("returnGeoValues");
    if (v.isValid() && v.toBool()) {
        m_reading.setX(data.x());
        m_reading.setY(data.y());
        m_reading.setZ(data.z());
        m_reading.setCalibrationLevel(data.level());
    } else {
        m_reading.setX(data.rx());
        m_reading.setY(data.ry());
        m_reading.setZ(data.rz());
        m_reading.setCalibrationLevel(1);
    }
    //m_reading.setTimestamp(data.timestamp());
    m_reading.setTimestamp(createTimestamp()); //TODO: use correct timestamp
    newReadingAvailable();
}