kerneltest/e32test/timestamp/d_timestamp.h
author mikek
Wed, 16 Jun 2010 12:59:18 +0100
branchGCC_SURGE
changeset 160 30e086416910
parent 90 947f0dc9f7a8
child 148 31ea0f8e3c99
child 152 657f875b013e
permissions -rw-r--r--
Fix for Bug 2984 - [GCCE] Illegal inline assembler in kernel/eka/debug/utrace/src/e32utrace.cpp
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/*
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* Copyright (c) 2010 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 "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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*
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*/
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#ifndef __TIMESTAMPTEST_H__
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#define __TIMESTAMPTEST_H__
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#include <e32cmn.h>
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#include <e32ver.h>
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#ifndef __KERNEL_MODE__
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#include <e32std.h>
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#endif
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/*
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 *  Update by driver when a every time NTimer expires
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 */
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struct STimestampResult
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    {
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    TUint64 iDelta;   // difference in timestamp value between this and the last run
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    TBool   iLPMEntered; // true if low power modes wich restored timestamp was entered
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                         // since last NTimer expiry
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    };
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/*
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 *  Hold time stamp information, for now just freq
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 */
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struct STimestampTestConfig
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    {
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    TUint32 iFreq;  
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    TUint  iIterations;
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    TUint  iRetries;
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    TUint  iTimerDurationS;
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    TUint  iErrorPercent;
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    };
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/**
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User interface for 'TimestampTest'
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*/
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class RTimestampTest : public RBusLogicalChannel
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	{
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public:
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	/**
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	Structure for holding driver capabilities information
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	(Just a version number in this example.)
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	*/
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	class TCaps
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		{
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	public:
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		TVersion iVersion;
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		};
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    static TVersion VersionRequired();
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    static const TDesC& Name();
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public:
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	TInt Open();
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	void Start(TRequestStatus& aStatus, TInt aNTicks);
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    void WaitOnTimer(TRequestStatus& aStatus, STimestampResult& aResult);
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	TInt Config(STimestampTestConfig& aConfig);
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private:
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	/**
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	Enumeration of Control messages.
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	*/
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	enum TControl
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		{
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        EConfig
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		};
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	/**
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	Enumeration of Request messages.
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	*/
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	enum TRequest
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		{
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        EStart,
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        EWaitOnTimer,
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        EAllRequests=-1        
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		};
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	// Kernel side LDD channel is a friend
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	friend class DTimestampTestChannel;
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	};
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/**
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  The driver's name
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  @return The name of the driver
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  @internalComponent
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*/
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inline const TDesC& RTimestampTest::Name()
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	{
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	_LIT(KTimestampTestName,"TIMESTAMPTEST");
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	return KTimestampTestName;
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	}
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/**
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  The driver's version
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  @return The version number of the driver
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  @internalComponent
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*/
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inline TVersion RTimestampTest::VersionRequired()
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	{
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	const TInt KMajorVersionNumber=1;
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	const TInt KMinorVersionNumber=0;
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	const TInt KBuildVersionNumber=KE32BuildVersionNumber;
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	return TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);
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	}
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/*
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  NOTE: The following methods would normally be exported from a seperate client DLL
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  but are included inline in this header file for convenience.
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*/
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#ifndef __KERNEL_MODE__
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/**
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  Open a logical channel to the driver
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  @return One of the system wide error codes.
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*/
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TInt RTimestampTest::Open()
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	{
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	return DoCreate(Name(),VersionRequired(),KNullUnit,NULL,NULL,EOwnerThread);
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	}
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/**
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  Start measuring timestamp intervals in the timer
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  @param aStatus request status for aync request
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  @param aNTicks number of ticks used with the NTimer in the driver
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*/
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void RTimestampTest::Start(TRequestStatus& aStatus, TInt aNTicks)
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	{
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	DoRequest(EStart,aStatus,(TAny*) aNTicks);
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	}
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/**
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  Wait for next timer expiry of aNTicks used in Start function
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  @param aStatus request status for aync request
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  @param aStatus request status for aync request
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*/
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void RTimestampTest::WaitOnTimer(TRequestStatus& aStatus, STimestampResult& aResult)
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	{
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	DoRequest(EWaitOnTimer,aStatus,(TAny*) &aResult);
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	}
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/**
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  Open a logical channel to the driver
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  @return One of the system wide error codes.
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*/
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TInt RTimestampTest::Config(STimestampTestConfig& aConfig)
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	{
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	return DoControl(EConfig,(TAny*) &aConfig);
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	}
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#endif  // !__KERNEL_MODE__
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#endif
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