--- a/examples/sensors/arrowkeys/main.cpp Fri Sep 17 08:34:34 2010 +0300
+++ b/examples/sensors/arrowkeys/main.cpp Mon Oct 04 01:37:06 2010 +0300
@@ -1,59 +1,18 @@
-/****************************************************************************
-**
-** 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 <QtCore>
#include <qaccelerometer.h>
QTM_USE_NAMESPACE
namespace arrows{
- static const QString ARROW_UP="^", ARROW_DOWN="v", ARROW_LEFT="<",ARROW_RIGHT=">", ARROW_TO=".", ARROW_FROM="x";
+ static const QString ARROW_UP="^", ARROW_DOWN="v", ARROW_LEFT="<",ARROW_RIGHT=">";
}
class AccelerometerFilter : public QAccelerometerFilter
{
public:
-
bool filter(QAccelerometerReading *reading)
{
- QString arrow = getArrowKey(reading->x(), reading->y(), reading->z());
+ QString arrow = getArrowKey(reading->x(), reading->y());
if (arrow!=exArrow){
qDebug() << "direction:" << arrow;
exArrow = arrow;
@@ -63,35 +22,29 @@
private:
QString exArrow;
- static const qreal THRESHOLD;
-
- QString getArrowKey(qreal x, qreal y, qreal z){
-
- // axis_z: TO or FROM
- if (abs(y)<THRESHOLD && abs(x)<THRESHOLD) return z>0?(arrows::ARROW_FROM):(arrows::ARROW_TO);
-
+ QString getArrowKey(qreal x, qreal y){
// axis_x: LEFT or RIGHT
if (abs(x)>abs(y)) return x>0?(arrows::ARROW_LEFT):(arrows::ARROW_RIGHT);
-
// axis_y: UP or DOWN
return y>0?(arrows::ARROW_DOWN):(arrows::ARROW_UP);
}
-
static qreal abs(qreal value) {return value<0?-value:value;}
};
-const qreal AccelerometerFilter::THRESHOLD = 0.3;
-
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QAccelerometer sensor;
if (!sensor.connectToBackend()) {
qWarning("No Accelerometer available!");
- return 1;
+ return EXIT_FAILURE;
}
AccelerometerFilter filter;
sensor.addFilter(&filter);
+
+ qrangelist datarates = sensor.availableDataRates();
+ int i = datarates.size();
+ sensor.setDataRate(datarates.at(i-1).second);
sensor.start();
return app.exec();