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/****************************************************************************
**
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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);
}
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