--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/sensors/s60_sensor_api/qs60sensorapiaccelerometer.cpp	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+//Symbian
+#include <e32std.h>
+#include <rrsensorapi.h>
+
+// Local
+#include "qs60sensorapiaccelerometer.h"
+
+// Constants
+const int KAccelerometerSensorUID = 0x10273024;
+
+const char *QS60SensorApiAccelerometer::id("s60sensorapi.accelerometer");
+
+QS60SensorApiAccelerometer::QS60SensorApiAccelerometer(QSensor *sensor)
+    : QSensorBackend(sensor)
+    , m_nativeSensor(NULL)
+    , m_sampleFactor(0.0f)
+{
+    TRAPD(err, findAndCreateNativeSensorL());
+    if(err != KErrNone) {
+        sensorStopped();
+        sensorError(err);
+    }
+    
+    setReading<QAccelerometerReading>(&m_reading);
+    
+    // http://www.st.com/stonline/products/literature/ds/12726/lis302dl.pdf
+    // That 3D accelerometer inside N95 , N93i or N82 is from STMicroelectronics (type LIS302DL).
+    // http://wiki.forum.nokia.com/index.php/Nokia_Sensor_APIs.
+    // Sensor is set to 100Hz 2G mode and no public interface to switch it to 8G
+    
+    // 2G - mode
+    addDataRate(100, 100);
+    sensor->setDataRate(100);
+    addOutputRange(-22.418, 22.418, 0.17651);
+    setDescription(QLatin1String("lis302dl"));
+    
+    //Synbian interface gives values between -680 - 680
+    m_sampleFactor =  this->sensor()->outputRanges()[0].maximum / 680.0f;
+}
+
+QS60SensorApiAccelerometer::~QS60SensorApiAccelerometer()
+{
+    stop();
+    delete m_nativeSensor;
+    m_nativeSensor = NULL;
+}
+
+void QS60SensorApiAccelerometer::start()
+{
+    if(!m_nativeSensor)
+        return;
+    
+    m_nativeSensor->AddDataListener(this);    
+}
+
+void QS60SensorApiAccelerometer::stop()
+{
+    if(!m_nativeSensor)
+        return;
+    
+    m_nativeSensor->RemoveDataListener();
+}
+
+void QS60SensorApiAccelerometer::poll()
+{
+    //empty implementation
+}
+
+
+void QS60SensorApiAccelerometer::HandleDataEventL(TRRSensorInfo aSensor, TRRSensorEvent aEvent)
+{
+    if (aSensor.iSensorId != KAccelerometerSensorUID) 
+        return; 
+    
+    TTime time;
+    time.UniversalTime();
+    m_reading.setTimestamp(time.Int64());
+    m_reading.setX((qreal)aEvent.iSensorData2 * m_sampleFactor);
+    m_reading.setY((qreal)aEvent.iSensorData1 * -m_sampleFactor);
+    m_reading.setZ((qreal)aEvent.iSensorData3 * -m_sampleFactor);
+    newReadingAvailable();
+}
+
+void QS60SensorApiAccelerometer::findAndCreateNativeSensorL()
+{
+    if(m_nativeSensor)
+        return;
+    
+    RArray<TRRSensorInfo> sensorList;
+    CRRSensorApi::FindSensorsL(sensorList);
+    CleanupClosePushL(sensorList);
+
+    TInt index = 0;
+    do {
+        if (sensorList[index].iSensorId == KAccelerometerSensorUID)
+            m_nativeSensor = CRRSensorApi::NewL(sensorList[index]);
+    } while(!m_nativeSensor && ++index < sensorList.Count());
+        
+    if (!m_nativeSensor)
+        User::Leave(KErrHardwareNotAvailable);
+    
+    CleanupStack::PopAndDestroy(&sensorList);
+}