// Copyright (c) 1999-2009 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:

//

#include "ConsoleAlarmAlertLEDFlasher.h"

#include <hal.h>

#include <asaltdefs.h>

const TInt KFlasherPeriodicity = 500000;

CConsoleAlarmAlertLEDFlasher::CConsoleAlarmAlertLEDFlasher()

:	CTimer(CActive::EPriorityIdle)

	{

	CActiveScheduler::Add(this);

	}

CConsoleAlarmAlertLEDFlasher* CConsoleAlarmAlertLEDFlasher::NewL()

	{

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

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/**

 * Start the flasher, if not busy

 */

TInt CConsoleAlarmAlertLEDFlasher::Start()

	{

	Stop();

	After(KFlasherPeriodicity);

	return(SetRedLedOn(ETrue));

	}

//*************************************************************************************

/**

 * Stop the LED flashing

 */

void CConsoleAlarmAlertLEDFlasher::Stop()

	{

	Cancel();

	SetRedLedOn(EFalse);

	}

//

//

//

//*************************************************************************************

/**

 * @see CActive

 */

void CConsoleAlarmAlertLEDFlasher::RunL()

	{

	if (iStatus!=KErrNone)

		{

		SetRedLedOn(EFalse);

		return;

		}

	SetRedLedOn(!iLedOn);

	After(KFlasherPeriodicity);

	}

//

//

//

//*************************************************************************************

/**

 * Turn the LED on or off

 */

TInt CConsoleAlarmAlertLEDFlasher::SetRedLedOn(TBool aOn)

	{

	const TInt KClearAllLeds = 0;

	const TInt KLedMaskRed1 = 1;

	iLedOn = aOn;

	if (iLedOn)

		{

		return HAL::Set(HAL::ELEDmask, KLedMaskRed1);

		}

	else

		{

		return HAL::Set(HAL::ELEDmask, KClearAllLeds);

		}

	}