/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Charger state sensor implementation

*

*/

#include <hwrmpowerstatesdkpskeys.h>

#include "cpschargerstatesensor.h"

#include "csensorproperties.h"

#include "logger.h"

_LIT(KChargerStateSensorDescriptionPart1,

     "charger_state#"

     L"device#"

     L"device#"

     L"Nokia#"

     L"description=");

_LIT(KChargerStateSensorDescriptionPart2,

     "#model=Nokia#"

     L"connectiontype=1#"

     L"1#" // isAvailable

     L"1#" // channel count

     L"charger_state#" // channel name. for single channel sensors should be same as model

     L"0#" // accuracy, exact

     L"2#" // data type. here TYPE_INT

     L"0#" // scale. here zero (means that scaling is not used)

     L"boolean#" // unit. Charger is attached or not attached

     L"1#" // measurement range count

     L"0#" // smallest measurable value

     L"1#" // largest measurable value

     L"1#" // measurement resolution

     L"@ch_end#");  // channel terminator constant

const TInt KPollInterval = 100000; // 0.1 sec

CPSChargerStateSensor* CPSChargerStateSensor::NewL()

{

    JELOG2(ESensor);

    CPSChargerStateSensor* self = new(ELeave)CPSChargerStateSensor();

    CleanupStack::PushL(self);

    self->ConstructL(KPSUidHWRMPowerState, KHWRMChargingStatus);

    CleanupStack::Pop(); // self

    return self;

}

CPSChargerStateSensor::CPSChargerStateSensor()

        : CPSSensorBase(KPollInterval)

{

    JELOG2(ESensor);

}

CPSChargerStateSensor::~CPSChargerStateSensor()

{

    JELOG2(ESensor);

}

HBufC* CPSChargerStateSensor::CreateDescriptionLC()

{

    JELOG2(ESensor);

    HBufC* desc = HBufC::NewLC(KMaxSensorDescriptionLength);

    TPtr desPtr = desc->Des();

    desPtr.Append(KChargerStateSensorDescriptionPart1);

    desPtr.Append(SensorProperties::GetPropertyString(KSensorDescription,

                  EChargerStateSensor));

    desPtr.Append(KChargerStateSensorDescriptionPart2);

    return desc;

}

CSensorBase* CPSChargerStateSensor::DuplicateL()

{

    JELOG2(ESensor);

    return NewL();

}

TReal CPSChargerStateSensor::InterpretValue(TReal aValue)

{

    JELOG2(ESensor);

    // Return 1 if aValue is bigger than 0. Return 0 if 0.

    // Negative aValue is an error code and is returned as is.

    return aValue > 0 ? 1 : aValue;

}