/*

* 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 "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:  

* Defintions for High resolution timer

*

*/

#ifndef __HIGHRESTIMER_H__

#define __HIGHRESTIMER_H__

/**

 * Macro indicating that a high resolution timer is supported.

 */

#define HAS_HIGH_RES_TIMER

#ifdef __MEMMODEL_DIRECT__

#define HIGH_RES_COUNT_HW_ADDR 0x18036800	/* address of timer 2 counter */

#else

#define HIGH_RES_COUNT_HW_ADDR 0xC6003800	/* address of timer 2 counter */

#endif

/**

 * Assembler macro to get the the current value of the high res timer and place

 * it in the specified register.

 */

#define GET_HIGH_RES_TICK_COUNT(Rd) \

	asm("ldr	"#Rd", = %a0" : : "i" (HIGH_RES_COUNT_HW_ADDR)); \

	asm("ldr	"#Rd", ["#Rd"]")

/**

 * The frequency of the timer in Hz.

 */

const TInt KHighResTimerFrequency = 2083333; // 200MHz/(3*32)

/**

 * Macro indicating that the timer counts up if defined.

 */

#define HIGH_RES_TIMER_COUNTS_UP

#endif