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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** 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 "sensorfwcompass.h"
char const * const SensorfwCompass::id("sensorfw.compass");
SensorfwCompass::SensorfwCompass(QSensor *sensor)
: SensorfwSensorBase(sensor)
, m_initDone(false)
{
init();
setReading<QCompassReading>(&m_reading);
sensor->setDataRate(50);//set a default rate
}
void SensorfwCompass::slotDataAvailable(const Compass& data)
{
// The scale for level is [0,3], where 3 is the best
// Qt: Measured as a value from 0 to 1 with higher values being better.
m_reading.setCalibrationLevel(((float) data.level()) / 3.0);
// The scale for degrees from sensord is [0,359]
// Value can be directly used as azimuth
m_reading.setAzimuth(data.degrees());
m_reading.setTimestamp(data.data().timestamp_);
newReadingAvailable();
}
bool SensorfwCompass::doConnect()
{
return QObject::connect(m_sensorInterface, SIGNAL(dataAvailable(Compass)),
this, SLOT(slotDataAvailable(Compass)));
}
QString SensorfwCompass::sensorName() const
{
return "compasssensor";
}
void SensorfwCompass::init()
{
m_initDone = false;
initSensor<CompassSensorChannelInterface>(m_initDone);
}
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