diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/sensordatacompensator.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/sensordatacompensator.h	Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Sensor data compensator class definition.
+*
+*/
+
+
+#ifndef C_SENSORDATACOMPENSATOR_H
+#define C_SENSORDATACOMPENSATOR_H
+
+#include <sensrvtypes.h>
+#include <sensordatacompensationtypes.h>
+
+/**
+ * Class provides operations to compensate sensor data.
+ *
+ * Usage:
+ *
+ * @code
+ * #include <sensordatacompensator.h>
+ * #include <sensrvaccelerometersensor.h>
+ *
+ * // Client creates the compensator instance as a member.
+ * // This compensates the axis data received from accelerometer.
+ * // The data is compensated according to both device and UI rotation.
+ * // See sensrvtypes.h and sensordatacompensationtypes.h for more information.
+ * iDataCompensator = CSensorDataCompensator::NewL(
+ *                        KSensrvChannelTypeIdAccelerometerXYZAxisData,
+ *                        ESensorCompensateDeviceAndUIOrientation );
+ *
+ * // Data compensation is done in client's MSensrvDataListener::DataReceived() implementation 
+ * // where 'iSensorChannel' contains the accelerometer channel instance.
+ * TPckgBuf<TSensrvAccelerometerAxisData> dataPckgBuf;
+ * // Get data from accelerometer ( iSensorChannel->GetData( dataPckgBuf ) )
+ * TInt err( iDataCompensator->Compensate( dataPckgBuf ) );
+ *
+ * // Client deletes the compensator instance in destructor.
+ * delete iDataCompensator;
+ *
+ * @endcode
+ *
+ * @lib sensordatacompensator.lib
+ * @since S60 5.1
+ */
+
+NONSHARABLE_CLASS( CSensorDataCompensator ): public CBase
+    {
+    public:
+
+    /**
+    * Two-phase constructor
+    *
+    * @since S60 5.1
+    * @param aDataType Specifies the data type to be compensated.
+    * @param aType Specifies the type of compensation. See TSensorCompensationType.
+    * @return CSensorDataCompensator* Pointer to created object
+    */
+    IMPORT_C static CSensorDataCompensator* NewL( TSensrvChannelDataTypeId aDataType,
+        TSensorCompensationType aType );
+
+    public:
+
+    /**
+    * Compensates sensor data.
+    *
+    * @since S60 5.1
+    * @param aData Reference to descriptor where sensor data locates.
+    *              On return contains compensated data if compensation successful.
+    *              The following packages can be used in compensating;
+    *              TSensrvAccelerometerAxisData
+    *              TSensrvMagnetometerAxisData
+    *              TSensrvMagneticNorthData
+    *              TSensrvTappingData               
+    * @return TInt KErrNone - Compensation successful.
+    *              KErrArgument - Input aData does not match data type.
+    *              KErrNotSupported - Compensation not supported for data type.
+    *              KErrNotReady - Not ready for compensation.
+    *              KErrCorrupt - Configured compensation values are invalid.
+    */
+    virtual TInt Compensate( TDes8& aData ) = 0;
+
+    /**
+    * Used to get the compensated channel data type.
+    *
+    * @since S60 5.1
+    * @return TSensrvChannelDataTypeId
+    *              The compensated data type.
+    */
+    virtual TSensrvChannelDataTypeId GetChannelDataType( ) const = 0;
+
+    /**
+    * Used to get the compensation type.
+    *
+    * @since S60 5.1
+    * @return TSensorCompensationType
+    *              The used compensation type.
+    */
+    virtual TSensorCompensationType GetCompensationType( ) const = 0;
+
+    };
+
+
+#endif // C_SENSORDATACOMPENSATOR_H