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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
addDataRate(43, 43); // 43Hz
sensor->setDataRate(43);
addOutputRange(-0.000614, 0.000614, 0.0000003); // -600 ... 600 mikroteslas, 0.3 uT resolution
setDescription(QLatin1String("Measures 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( 0.0000003 * data.x() );
m_reading.setY( 0.0000003 * data.y() );
m_reading.setZ( 0.0000003 * data.z() );
m_reading.setCalibrationLevel( ((float) data.level()) / 3.0 );
} else {
m_reading.setX( 0.0000003 * data.rx() );
m_reading.setY( 0.0000003 * data.ry() );
m_reading.setZ( 0.0000003 * data.rz() );
m_reading.setCalibrationLevel(1);
}
m_reading.setTimestamp(data.timestamp());
newReadingAvailable();
}