os/kernelhwsrv/kerneltest/e32test/usbho/t_otgdi/src/testcase0683.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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// Copyright (c) 2007-2009 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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// @internalComponent
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// 
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//
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#include <e32std.h>
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#include <e32std_private.h>
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#include <u32std.h> 	// unicode builds
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#include <e32base.h>
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#include <e32base_private.h>
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#include <e32Test.h>	// RTest headder
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#include "testcaseroot.h"
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//#include "testcasewd.h"
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#include "b2bwatchers.h"
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#include "testcase0683.h"
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#define _REPEATS (oOpenIterations*3)
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/* **************************************************************************************
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 * the name below is used to add a pointer to our construction method to a pointer MAP in 
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 * the class factory
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 */
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_LIT(KTestCaseId,"PBASE-USB_OTGDI-0683");
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const TTestCaseFactoryReceipt<CTestCase0683> CTestCase0683::iFactoryReceipt(KTestCaseId);	
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CTestCase0683* CTestCase0683::NewL(TBool aHost)
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	{
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	LOG_FUNC
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	CTestCase0683* self = new (ELeave) CTestCase0683(aHost);
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop(self);
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	return self;
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	}
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CTestCase0683::CTestCase0683(TBool aHost)
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	: CTestCaseB2BRoot(KTestCaseId, aHost, iStatus) 
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	{
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	LOG_FUNC
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	} 
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/**
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 ConstructL
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*/
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void CTestCase0683::ConstructL()
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	{
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	LOG_FUNC
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	iDualRoleCase = ETrue;	// another back-back
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	BaseConstructL();
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	}
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CTestCase0683::~CTestCase0683()
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	{
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	LOG_FUNC
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	iCollector.DestroyObservers();
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	Cancel();
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	}
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void CTestCase0683::ExecuteTestCaseL()
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	{
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	LOG_FUNC
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	iCaseStep = EPreconditions;
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	iHNPCounter = 3;	//	To be decremented to govern the number of times we do HNP.
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	CActiveScheduler::Add(this);
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	SelfComplete();
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	}
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void CTestCase0683::DoCancel()
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	{
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	LOG_FUNC
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	// cancel our timer
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	iTimer.Cancel();
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	}
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// handle event completion	
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void CTestCase0683::RunStepL()
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	{
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	LOG_FUNC
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	// Obtain the completion code for this CActive obj.
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	TInt completionCode(iStatus.Int()); 
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	TBuf<MAX_DSTRLEN> aDescription;
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	TInt err(0);
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	switch(iCaseStep)
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		{
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		case EPreconditions:
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			{
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			LOG_STEPNAME(_L("EPreconditions"))
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			iCaseStep = ELoadLdd;
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			StepB2BPreconditions();				
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			break;
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			}
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			// 1. Load the Client LDD 
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		case ELoadLdd:
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			{
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			LOG_STEPNAME(_L("ELoadLdd"))
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			if (!StepLoadClient(0xF678/*use default settings for SRP/HNP support*/))
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				{
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				return TestFailed(KErrAbort, _L("Client Load Failure"));
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				}
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			//  load OTG ldd and init.		
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			if (!StepLoadLDD())
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				{
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				return TestFailed(KErrAbort, _L("OTG Load Failure"));
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				}
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			if(otgActivateFdfActor()!=KErrNone)
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				{
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				return TestFailed(KErrAbort, _L("Couldn't load FDF Actor"));
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				}
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			// test that the right cable is in
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			CheckRoleConnections();
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			// subscribe to OTG states,events and messages now that it has loaded OK
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			TRAPD(result, iCollector.CreateObserversL(*this));
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			if (KErrNone != result)
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				return(TestFailed(KErrNoMemory, _L("Unable to create observers")));
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			iCollector.ClearAllEvents();
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			iCaseStep = EReadyToRaiseVBus;
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			SelfComplete();
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			break;
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			}
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		case EReadyToRaiseVBus:
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			{
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			if (gTestRoleMaster)
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				{
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				// wait for Vbus to be raised
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				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBIdle);
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				iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventVbusRaised);
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				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBPeripheral);
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				//	All as usual - we should report a failure if the B-Device ever reports "busy"
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				iCollector.AddFailureNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);
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				}
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			else
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				{ // slave "A"
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				// Raise VBus, then wait for default role
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				err = otgBusRequest();	// ok to turn on VBus now
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				if (KErrNone != err)
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					{
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					return TestFailed(KErrAbort, _L("Raise Vbus - RUsbOtgDriver::BusRequest() FAILED!"));
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					}
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				// we might also wait for and EStateAIdle
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				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateAIdle);
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				iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventVbusRaised);
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				iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventRoleChangedToHost);
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				iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);
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				}
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			iCaseStep = EDefaultRoles;
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			const TInt KTestCase0683Timeout = 30000;			//	30 seconds, should be plenty of time for 3 role swaps
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			iCollector.AddStepTimeout(KTestCase0683Timeout);
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			SetActive();
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			break;
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			}
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		case EDefaultRoles:
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			{
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			test.Printf(_L("Into EDefaultRoles step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			if ( --iHNPCounter > 0)
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				{
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				//	We want to do further role swapping
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				if (gTestRoleMaster)
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					{
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					//	B-Device should now wait until it is configured
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					iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);
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					iCaseStep = EBConfigured;
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					}
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				else
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					{
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					iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionIdle);
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					iCaseStep = EAIdleHostPriorToAPeripheral;
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					}
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				SetActive();
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				}
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			else
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				{
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				//	We've done 3 x HNP cycles back to default roles. 
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				//	This time, we want A-Host to suspend B-Peripheral,
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				//	have the B-Peripheral *not* do a bus request, then
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				//	have the A-Device detect idle and shut down VBus.
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				if (gTestRoleMaster)
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					{
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					//	B-Device should now wait until it is configured (for the last time this test)
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					iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);
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					iCaseStep = EBConfigured;					
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					}
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				else
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					{
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					iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionIdle);
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					iCaseStep = EAIdleHostPriorToVBusDown;
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					}
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				SetActive();
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				}
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			break;
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			}
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		case EBConfigured:	//	A B-Device only step!
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			{
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			test.Printf(_L("Into EBConfigured step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}
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			iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateSuspended);
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			iCaseStep = EBSuspended;
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			SetActive();
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			break;
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			}
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		case EBSuspended:	
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			{
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			test.Printf(_L("Into EBSuspended step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			if (iHNPCounter > 0)
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				{			
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				// issue bus request to trigger HNP
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				test.Printf(_L("VBus present, attempting a swap.\n"));
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				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBHost);
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				err = otgBusRequest();	//	Request the host role
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				if (KErrNone != err)
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					{
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					test.Printf(_L("BusRequest returned %d\n"),err);
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					return TestFailed(KErrAbort, _L("BusRequest() failed!"));
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					}
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				iCaseStep = ESwappedRoles;
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				SetActive();
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				}
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			else
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				{
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				//	We've done all the role-swapping we want. Now just wait for
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				//	A-Host to drop VBus...
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				iCaseStep = EDropVBus;
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				SelfComplete();
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				}
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			break;
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			}
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		case EAIdleHostPriorToAPeripheral:	//	an "A-Device only" step
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			{
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			test.Printf(_L("Into EAIdleHostPriorToAPeripheral step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			//	A-Device should expect nothing more until it becomes A-Peripheral
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			iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateAPeripheral);
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			iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);
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			iCaseStep = ESwappedRoles;
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			SetActive();
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			break;
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			}
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		case ESwappedRoles:
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			{
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			test.Printf(_L("Into ESwappedRoles step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			if (gTestRoleMaster)
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				{
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				//	B-Device should now wait until it is back to B-Peripheral
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				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBPeripheral);
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				iCaseStep = EDefaultRoles;
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				}
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			else
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				{
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				//	A-Device should wait to become a configured A-Peripheral
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				iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);
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				iCaseStep = EAConfigured;
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				}
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			SetActive();
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			break;
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			}
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		case EAConfigured:	//	A-Device only step
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			{
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			test.Printf(_L("Into EAConfigured step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionIdle);
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			iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateSuspended);
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			iCaseStep = EASuspended;
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			SetActive();
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			break;
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			}
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		case EASuspended:	//	A-Device only step
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			{
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			test.Printf(_L("Into EASuspended step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);
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			iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateAHost);	//	Swapping back to default role
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			iCaseStep = EDefaultRoles;
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			SetActive();
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			break;
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			}
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		case EAIdleHostPriorToVBusDown:
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			{
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			test.Printf(_L("Into EAIdleHostPriorToVBusDown step...\n"));
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			iCaseStep = EDropVBus;
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			SelfComplete();
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			break;
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			}
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		case EDropVBus:
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			LOG_STEPNAME(_L("EDropVBus"))
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				iCollector.DestroyObservers();
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}			
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			iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventVbusDropped);
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			if ( gTestRoleMaster)
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				{
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				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBIdle);
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				}
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			else
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				{ // SLAVE "A"
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				otgBusDrop();
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				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateAIdle);
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				}
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			iCaseStep = EVBusDropped;
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			SetActive();
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			break;
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		case EVBusDropped:
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			LOG_STEPNAME(_L("ELoopVerifyDrop"))
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			if (KTestCaseWatchdogTO == iStatus.Int())
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				{
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				return TestFailed(KErrAbort, _L("Timeout"));
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				}
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			if (otgVbusPresent())
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				{
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				return TestFailed(KErrAbort, _L("Vbus did not drop - FAILED!"));
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				}
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			iCaseStep = EUnloadLdd;
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			SelfComplete();
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			break;
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		case EUnloadLdd:
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			LOG_STEPNAME(_L("EUnloadLdd"))
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			otgDeactivateFdfActor();
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			iCollector.DestroyObservers();
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			if (EFalse == StepUnloadLDD())
sl@0
   410
				return TestFailed(KErrAbort,_L("unload Ldd failure"));	
sl@0
   411
			if (!StepUnloadClient())
sl@0
   412
				return TestFailed(KErrAbort,_L("Client Unload Failure"));	
sl@0
   413
sl@0
   414
			iCaseStep = ELastStep;
sl@0
   415
			SelfComplete();
sl@0
   416
			break;
sl@0
   417
			
sl@0
   418
		case ELastStep:
sl@0
   419
			LOG_STEPNAME(_L("ELastStep"))
sl@0
   420
			TestPassed();
sl@0
   421
			break;
sl@0
   422
			
sl@0
   423
		default:
sl@0
   424
			test.Printf(_L("<Error> unknown test step"));
sl@0
   425
			Cancel();
sl@0
   426
			return (TestFailed(KErrCorrupt, _L("<Error> unknown test step")));
sl@0
   427
		}
sl@0
   428
	}
sl@0
   429