/****************************************************************************
**
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/
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** This file is part of the QtSensors module of the Qt Toolkit.
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** Public License version 3.0 as published by the Free Software Foundation
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****************************************************************************/
#include "bbaltimeter.h"

class BbAltimeterReadingPrivate
{
public:
    BbAltimeterReadingPrivate()
        : altitude(0)
    {
    }

    qreal altitude;
};

IMPLEMENT_READING(BbAltimeterReading)

qreal BbAltimeterReading::altitude() const
{
    return d->altitude;
}

void BbAltimeterReading::setAltitude(qreal altitude)
{
    d->altitude = altitude;
}

BbAltimeter::BbAltimeter(QSensor *sensor)
    : BbSensorBackend<BbAltimeterReading>(devicePath(), SENSOR_TYPE_ALTIMETER, sensor)
{
    setDescription(QLatin1String("Altitude in meters relative to mean sea level"));
}

bool BbAltimeter::updateReadingFromEvent(const sensor_event_t &event, BbAltimeterReading *reading)
{
    reading->setAltitude(event.altitude_s.altitude);
    return true;
}

QString BbAltimeter::devicePath()
{
    return QLatin1String("/dev/sensor/alt");
}