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// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32test\realtime\d_latncy.h
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//
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//
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#if !defined(__D_LATNCY_H__)
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#define __D_LATNCY_H__
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#include <e32cmn.h>
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#ifndef __KERNEL_MODE__
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#include <e32std.h>
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#endif
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#if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
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#include <shared_timer.h>
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#endif
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#if !defined(__EPOC32__) || !defined(__CPU_X86)
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#if !defined(__SMP__)
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#define __CAPTURE_EXTRAS
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#endif
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#endif
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_LIT(KLatencyLddName,"Latency");
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class TCapsLatencyV01
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{
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public:
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TVersion iVersion;
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};
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struct SLatencyResults
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{
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TUint iIntRetAddr;
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TUint iIntTicks;
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TUint iKernThreadTicks;
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TUint iUserThreadTicks;
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TUint iIntSpsr;
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TUint iIntR14;
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};
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class RLatency : public RBusLogicalChannel
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{
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public:
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enum TControl
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{
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EControlStart,
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EControlTicksPerMs,
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EControlGetResults,
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};
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public:
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inline TInt Open();
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inline void Start();
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inline TUint TicksPerMs();
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inline TInt GetResults(SLatencyResults& aResults);
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};
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#ifndef __KERNEL_MODE__
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inline TInt RLatency::Open()
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{ return DoCreate(KLatencyLddName,TVersion(1,0,1),KNullUnit,NULL,NULL); }
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inline void RLatency::Start()
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{ DoControl(EControlStart); }
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inline TUint RLatency::TicksPerMs()
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{ return (TUint)DoControl(EControlTicksPerMs); }
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inline TInt RLatency::GetResults(SLatencyResults& aResults)
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{ return DoControl(EControlGetResults,&aResults); }
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#endif
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#ifdef __KERNEL_MODE__
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class DLatencyPowerHandler;
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class DLatency : public DLogicalChannelBase
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{
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public:
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DLatency();
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~DLatency();
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protected:
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virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
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virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
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public:
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TInt StartTimer();
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void StopTimer();
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static void MsCallBack(TAny*);
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static void MsDfc(TAny*);
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#if defined( __MISA__) || defined(__MCOT__) || defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
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inline TUint Ticks();
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#elif defined(__EPOC32__) && defined(__CPU_X86)
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static TUint Ticks();
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#else
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inline static TUint Ticks();
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#endif
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#if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
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private:
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void DisableTimer();
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TInt ConfigureTimer();
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#endif
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public:
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NTimer iMsCallBack;
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TDynamicDfcQue* iRtDfcQ;
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TDfc iMsDfc;
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SLatencyResults iResults;
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#if !defined(__SMP__)
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TUint* iIntStackTop;
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#endif
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DThread* iClient;
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DLatencyPowerHandler* iPowerHandler;
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TUint8 iOff;
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TUint8 iStarted;
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TUint8 iPad2;
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TUint8 iPad3;
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#if defined( __MISA__) || defined(__MCOT__)
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TUint iTickIncrement;
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TUint iTriggerTime;
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#endif
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#if defined(__IS_OMAP2420__) || defined(__WAKEUP_3430__)
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TUint8 iGPTimerId;
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SOmapTimerInfo iTimerInfo;
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TUint iTimerLoadValue;
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#endif
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};
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#endif
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#endif
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