/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
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** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
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** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** products derived from this software without specific prior written
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****************************************************************************/
#include <QtCore>
#include <qrotationsensor.h>
QTM_USE_NAMESPACE
class RotationFilter : public QRotationFilter
{
public:
bool filter(QRotationReading *reading)
{
int diff = ( reading->timestamp() - stamp );
stamp = reading->timestamp();
QTextStream out(stdout);
out << QString("Rotation: %1 x").arg(reading->x(), 4, 'f', 0)
<< QString(" %1 y").arg(reading->y(), 4, 'f', 0)
<< QString(" %1 z").arg(reading->z(), 4, 'f', 0)
<< QString(" (%1 ms since last, %2 Hz)").arg(diff / 1000, 4).arg( 1000000.0 / diff, 4, 'f', 1) << endl;
return true;
}
private:
qtimestamp stamp;
};
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QRotationSensor sensor;
if (!sensor.connectToBackend()) {
qWarning("No rotation sensor available!");
return 1;
}
RotationFilter filter;
sensor.addFilter(&filter);
sensor.start();
if (!sensor.isActive()) {
qWarning("Rotationsensor didn't start!");
return 1;
}
if (sensor.property("hasZ").isValid()) {
if (sensor.property("hasZ").toBool())
qDebug() << "Sensor hasZ is set";
else
qDebug() << "Sensor hasZ is NOT set";
} else {
qDebug() << "Sensor hasZ error: no value";
}
return app.exec();
}