1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32test/defrag/perf/t_timer.cpp

    15 // 

    16 //

    17 

    18 #define __E32TEST_EXTENSION__

    19 #include <e32test.h>

    20 #include <hal.h>

    21 

    22 #include "t_perf.h"

    23 

    24 

    25 const TInt CalAttempts = 100;

    26 

    27 void DefragLatency::CalibrateTimer(RTest& aTest)

    28 	{

    29 	TInt val = 0;

    30 	TUint time1, time2;

    31 	

    32 	HAL::Get(HAL::EFastCounterFrequency, iFastCounterFreq);

    33 	

    34 	///////////////////////////////////////////

    35 	for (TInt i = 0; i < CalAttempts; i++) 

    36 		{

    37 		time1 = GetFastCounter();

    38 		time2 = GetFastCounter();

    39 		if (time2 < time1)

    40 			aTest.Printf(_L("CALIBRATION ERROR !!!!!!!!!!!!11\n"));

    41 		val += time2 - time1;

    42 		}

    43 	iCalDelay = val / CalAttempts;

    44 	}

    45