usbengines/usbotgwatcher/src/cusbstatehostainitiate.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:14:30 +0200
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/*
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* Copyright (c) 2008-2009 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 "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:  Implementation
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 *
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*/
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#include "cusbstatehostainitiate.h"
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#ifndef STIF
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#include "cusbnotifmanager.h"
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#include "cusbtimer.h"
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#else
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#include "mockcusbnotifmanager.h"
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#include "mockcusbtimer.h"
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#endif
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#include "definitions.h"
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#include "errors.h"
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#include "debug.h"
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#include "panic.h"
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CUsbStateHostAInitiate::CUsbStateHostAInitiate(CUsbOtgWatcher* aWatcher) :
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    CUsbStateHostAInitiateBase(aWatcher)
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    {
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostAInitiate::ConstructL()
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    {
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        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::ConstructL" ) );
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    CUsbStateHostAInitiateBase::ConstructL();
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CUsbStateHostAInitiate* CUsbStateHostAInitiate::NewL(CUsbOtgWatcher* aWatcher)
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    {
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        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::NewL" ) );
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    CUsbStateHostAInitiate* self = new (ELeave) CUsbStateHostAInitiate(
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            aWatcher);
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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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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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CUsbStateHostAInitiate::~CUsbStateHostAInitiate()
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    {
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        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::~CUsbStateHostAInitiate" ) );
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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TUsbStateIds CUsbStateHostAInitiate::Id()
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    {
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        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::Id" ) );
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    return EUsbStateHostAInitiate;
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostAInitiate::JustAdvancedToThisStateL()
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    {
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        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::JustAdvancedToThisStateL" ) );
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    iWatcher->PrintStateToLog();
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    TInt err = iWatcher->Usb().EnableFunctionDriverLoading();
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    if (KErrNone != err)
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        {
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            FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::JustAdvancedToThisStateL EnableFunctionDriverLoading error" ) );
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        iWatcher->HandleHostProblemL(EUsbWatcherErrorInConnection);
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        return;
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        }
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        FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::JustAdvancedToThisStateL EnableFunctionDriverLoading(); = %d" ), err));
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    // do BusRequest, if down
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    if (CUsbVBusObserver::EVBusUp != iWatcher->VBusObserver()->VBus())
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        {
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        const TUint maxTrial = 3;
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        TInt busReqErr(KErrGeneral);
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        TUint count(0);
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        while (count < maxTrial && KErrNone != busReqErr)
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            {
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            busReqErr = iWatcher->Usb().BusRequest();
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                FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::JustAdvancedToThisStateL BusRequest() = %d" ), err));
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            if (KErrNone != busReqErr)
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                {
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                err = iWatcher->Usb().BusClearError();
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                if (KErrNone != err)
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                    {
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                    iWatcher->HandleHostProblemL(EUsbWatcherErrorInConnection);
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                    return;
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                    }
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                }
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            ++count;
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            }
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        if (KErrNone != busReqErr)
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            {
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            iWatcher->HandleHostProblemL(EUsbWatcherErrorInConnection);
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            return;
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            }
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        }
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    // start timer, waiting for device attachment
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    iAttachmentTimer->After(KTimeToWaitForDeviceAttachment);
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    iWatcher->NotifManager()->BlinkIndicatorL(ETrue);
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void CUsbStateHostAInitiate::JustBeforeLeavingThisStateL()
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    {
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        FLOG( _L( "[USBOTGWATCHER]\tCUsbStateHostAInitiate::JustBeforeLeavingThisStateL" ) );
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        iWatcher->NotifManager()->BlinkIndicatorL(EFalse);
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        CUsbStateHostAInitiateBase::JustBeforeLeavingThisStateL();
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    }