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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the Qt Mobility Components.
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#include <QtCore>
#include <qmagnetometer.h>
QTM_USE_NAMESPACE
class MagGeoFilter : public QMagnetometerFilter
{
public:
qtimestamp stamp;
bool filter(QMagnetometerReading *reading)
{
int diff = ( reading->timestamp() - stamp );
stamp = reading->timestamp();
QTextStream out(stdout);
out << QString("Geomagnetic flux density: %1 x").arg(reading->x() * 1000000, 6, 'f', 1)
<< QString(" %1 y").arg(reading->y() * 1000000, 6, 'f', 1)
<< QString(" %1 z uT").arg(reading->z() * 1000000, 6, 'f', 1)
<< QString(" calibration: %1").arg(reading->calibrationLevel(), 3, 'f', 1)
<< QString(" (%1 ms since last, %2 Hz)").arg(diff / 1000, 4).arg( 1000000.0 / diff, 4, 'f', 1) << endl;
return false;
}
};
class MagRawFilter : public QMagnetometerFilter
{
public:
qtimestamp stamp;
bool filter(QMagnetometerReading *reading)
{
int diff = ( reading->timestamp() - stamp );
stamp = reading->timestamp();
QTextStream out(stdout);
out << QString("Raw magnetic flux density: %1 x").arg(reading->x() * 1000000, 6, 'f', 1)
<< QString(" %1 y").arg(reading->y() * 1000000, 6, 'f', 1)
<< QString(" %1 z uT").arg(reading->z() * 1000000, 6, 'f', 1)
<< QString(" calibration: %1").arg(reading->calibrationLevel(), 3, 'f', 1)
<< QString(" (%1 ms since last, %2 Hz)").arg(diff / 1000, 4).arg( 1000000.0 / diff, 4, 'f', 1) << endl;
return false;
}
};
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QStringList args = app.arguments();
int rate_place = args.indexOf("-r");
int rate_val = 0;
if (rate_place != -1)
rate_val = args.at(rate_place + 1).toInt();
QMagnetometer geosensor;
if (rate_val > 0) {
geosensor.setDataRate(rate_val);
}
MagGeoFilter geofilter;
geosensor.setProperty("returnGeoValues", true);
geosensor.addFilter(&geofilter);
qDebug() << geosensor.availableDataRates().size();
geosensor.start();
if (!geosensor.isActive()) {
qWarning("Magnetometersensor (geo) didn't start!");
return 1;
}
QMagnetometer rawsensor;
if (rate_val > 0) {
rawsensor.setDataRate(rate_val);
}
MagRawFilter rawfilter;
rawsensor.addFilter(&rawfilter);
qDebug() << rawsensor.availableDataRates().size();
rawsensor.start();
if (!rawsensor.isActive()) {
qWarning("Magnetometersensor (raw) didn't start!");
return 1;
}
return app.exec();
}