/****************************************************************************
**
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtSensors module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL21$
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****************************************************************************/
#include "bbgyroscope.h"

#include "bbutil.h"
#include <QtCore/qmath.h>

using namespace BbUtil;

BbGyroscope::BbGyroscope(QSensor *sensor)
    : BbSensorBackend<QGyroscopeReading>(devicePath(), SENSOR_TYPE_GYROSCOPE, sensor)
{
    setDescription(QLatin1String("Angular velocities around x, y, and z axis in degrees per second"));
}

bool BbGyroscope::updateReadingFromEvent(const sensor_event_t &event, QGyroscopeReading *reading)
{
    float x = radiansToDegrees(event.motion.dsp.x);
    float y = radiansToDegrees(event.motion.dsp.y);
    float z = radiansToDegrees(event.motion.dsp.z);
    remapAxes(&x, &y, &z);
    reading->setX(x);
    reading->setY(y);
    reading->setZ(z);

    return true;
}

QString BbGyroscope::devicePath()
{
    return QLatin1String("/dev/sensor/gyro");
}

qreal BbGyroscope::convertValue(float valueInRadiansPerSecond)
{
    return radiansToDegrees(valueInRadiansPerSecond);
}