diff -r 000000000000 -r 876b1a06bc25 examples/sensors/show_magneticflux/main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/sensors/show_magneticflux/main.cpp Wed Aug 25 15:49:42 2010 +0300 @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** 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: +** +** "Redistribution and use in source and binary forms, with or without +** 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 +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include +#include + +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(); +}