--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/sensors/symbian/accelerometersym.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,208 @@
+/****************************************************************************
+ **
+ ** 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.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+ ** 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.
+ **
+ **
+ **
+ **
+ **
+ **
+ **
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+// Internal Headers
+#include "accelerometersym.h"
+#include <sensrvgeneralproperties.h>
+
+#define GRAVITATION_CONSTANT 9.812865328        //According to wikipedia link http://en.wikipedia.org/wiki/Standard_gravity
+
+/**
+ * set the id of the accelerometer sensor
+ */
+char const * const CAccelerometerSensorSym::id("sym.accelerometer");
+
+/**
+ * Factory function, this is used to create the accelerometer object
+ * @return CAccelerometerSensorSym if successful, leaves on failure
+ */
+CAccelerometerSensorSym* CAccelerometerSensorSym::NewL(QSensor *sensor)
+    {
+    CAccelerometerSensorSym* self = new (ELeave) CAccelerometerSensorSym(sensor);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;    
+    }
+
+/**
+ * Destructor
+ * Closes the backend resources
+ */
+CAccelerometerSensorSym::~CAccelerometerSensorSym()
+    {
+    // Release the backend resources
+    Close();
+    }
+
+/**
+ * Default constructor
+ */
+CAccelerometerSensorSym::CAccelerometerSensorSym(QSensor *sensor):CSensorBackendSym(sensor),
+        iScaleRange(0),
+        iUnit(0)
+        {
+        setReading<QAccelerometerReading>(&iReading);
+        iBackendData.iSensorType = KSensrvChannelTypeIdAccelerometerXYZAxisData;    
+        //Disable property listening
+        SetListening(ETrue, EFalse);
+        }
+
+void CAccelerometerSensorSym::start()
+{
+    TSensrvProperty dataFormatProperty;
+    TInt err;
+    CSensorBackendSym::start();
+    TRAP(err, iBackendData.iSensorChannel->GetPropertyL(KSensrvPropIdChannelDataFormat, ESensrvSingleProperty, dataFormatProperty));
+    if(err == KErrNone)
+        {
+        TSensrvProperty scaleRangeProperty;
+        TRAP(err, iBackendData.iSensorChannel->GetPropertyL(KSensrvPropIdScaledRange, KSensrvItemIndexNone, scaleRangeProperty)); 
+        if(err == KErrNone)
+            {
+            if(scaleRangeProperty.GetArrayIndex() == ESensrvSingleProperty)
+                {
+                if(scaleRangeProperty.PropertyType() == ESensrvIntProperty)
+                    {
+                    scaleRangeProperty.GetMaxValue(iScaleRange);
+                    }
+                else if(scaleRangeProperty.PropertyType() == ESensrvRealProperty)
+                    {
+                    TReal realScale;
+                    scaleRangeProperty.GetMaxValue(realScale);
+                    iScaleRange = realScale;
+                    }
+                }
+            else if(scaleRangeProperty.GetArrayIndex() == ESensrvArrayPropertyInfo)
+                {
+                TInt index;
+                if(scaleRangeProperty.PropertyType() == ESensrvIntProperty)
+                    {               
+                    scaleRangeProperty.GetValue(index);
+                    }
+                else if(scaleRangeProperty.PropertyType() == ESensrvRealProperty)
+                    {
+                    TReal realIndex;           
+                    scaleRangeProperty.GetValue(realIndex);
+                    index = realIndex;
+                    }
+                TRAP(err, iBackendData.iSensorChannel->GetPropertyL(KSensrvPropIdScaledRange, KSensrvItemIndexNone, index, scaleRangeProperty));
+                if(err == KErrNone)
+                    {
+                    if(scaleRangeProperty.PropertyType() == ESensrvIntProperty)
+                        {
+                        scaleRangeProperty.GetMaxValue(iScaleRange);
+                        }
+                    else if(scaleRangeProperty.PropertyType() == ESensrvRealProperty)
+                        {
+                        TReal realScaleRange;
+                        scaleRangeProperty.GetMaxValue(realScaleRange);
+                        iScaleRange = realScaleRange;
+                        }
+                    }
+                }
+            }
+        }
+}
+
+/*
+ * RecvData is used to retrieve the sensor reading from sensor server
+ * It is implemented here to handle accelerometer sensor specific
+ * reading data and provides conversion and utility code
+ */
+void CAccelerometerSensorSym::RecvData(CSensrvChannel &aChannel)
+    {
+    TPckg<TSensrvAccelerometerAxisData> accelerometerpkg( iData );
+    TInt ret = aChannel.GetData( accelerometerpkg );
+    if(KErrNone != ret)
+        {
+        // If there is no reading available, return without setting
+        return;
+        }
+    TReal x = iData.iAxisX;
+    TReal y = iData.iAxisY;
+    TReal z = iData.iAxisZ;
+    //Converting unit to m/s^2
+    if(iScaleRange && iUnit == ESensevChannelUnitAcceleration)
+        {
+	qoutputrangelist rangeList = sensor()->outputRanges();
+        int outputRange = sensor()->outputRange();
+        if (outputRange == -1)
+            outputRange = 0;
+	TReal maxValue = rangeList[outputRange].maximum;
+        x = (x/iScaleRange) * maxValue;
+        y = (y/iScaleRange) * maxValue;
+        z = (z/iScaleRange) * maxValue;        
+        }
+    else if(iUnit == ESensrvChannelUnitGravityConstant)
+        {
+        //conversion is yet to done
+        }
+    // Get a lock on the reading data
+    iBackendData.iReadingLock.Wait();
+    // Set qt mobility accelerometer reading with data from sensor server
+    iReading.setX(x);
+    iReading.setY(y);
+    iReading.setZ(z);
+    // Set the timestamp
+    iReading.setTimestamp(iData.iTimeStamp.Int64());
+    // Release the lock
+    iBackendData.iReadingLock.Signal();
+    }
+
+/**
+ * Second phase constructor
+ * Initialize the backend resources
+ */
+void CAccelerometerSensorSym::ConstructL()
+    {
+    //Initialize the backend resources
+    InitializeL(); 
+    
+    TInt err;
+    TSensrvProperty unitProperty;
+    TRAP(err, iBackendData.iSensorChannel->GetPropertyL(KSensrvPropIdChannelUnit, ESensrvSingleProperty, unitProperty));
+    if(err == KErrNone)
+        {
+        unitProperty.GetValue(iUnit);
+        }
+    }
+