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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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#include <e32base.h>
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#include <e32cons.h>
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#ifndef __OVER_DUMMYUSBSCLDD__
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#include <d32usbc.h>//EEndPoint2
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#else
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#include <dummyusbsclddapi.h>
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#endif
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#include "ncmdatainterface.h"
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#include "ncmdatareceiver.h"
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#include "ncmdatasender.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "ncmdatainterfaceTraces.h"
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#endif
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const TInt KAltSetting1 = 1;
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const TInt KAltSetting0 = 0;
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CNcmDataInterface* CNcmDataInterface::NewL(MNcmDataObserver& aEngine,
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RDevUsbcScClient& aLdd)
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{
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CNcmDataInterface *self = new (ELeave) CNcmDataInterface(aEngine, aLdd);
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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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CNcmDataInterface::CNcmDataInterface(MNcmDataObserver& aEngine,
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RDevUsbcScClient& aLdd) :
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CActive(CActive::EPriorityStandard), iEngine(aEngine), iLdd(aLdd)
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{
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CActiveScheduler::Add(this);
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}
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void CNcmDataInterface::ConstructL()
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{
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OstTraceFunctionEntry0(CNCMDATAINTERFACE_CONSTRUCTL);
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iReceiver = CNcmDataReceiver::NewL(iLdd, *this);
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iSender = CNcmDataSender::NewL(iLdd, *this);
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OstTraceFunctionExit0(CNCMDATAINTERFACE_CONSTRUCTL_DUP01);
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}
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CNcmDataInterface::~CNcmDataInterface()
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{
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OstTraceFunctionEntry0(CNCMDATAINTERFACE_CNCMDATAINTERFACE_DUP01);
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Cancel();
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delete iReceiver;
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delete iSender;
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OstTraceFunctionExit0(CNCMDATAINTERFACE_CNCMDATAINTERFACE_DUP02);
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}
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/**
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Start the NCM data channel
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*/
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void CNcmDataInterface::Start()
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{
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OstTraceFunctionEntry0(CNCMDATAINTERFACE_START);
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if (!iStarted)
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{
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iReceiver->Start();
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iSender->Start();
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iStarted = ETrue;
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}
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OstTraceFunctionExit0(CNCMDATAINTERFACE_START_DUP01);
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}
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/**
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Stop the NCM data channel
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*/
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void CNcmDataInterface::Stop()
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{
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OstTraceFunctionEntry0(CNCMDATAINTERFACE_STOP);
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if (iStarted)
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{
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iReceiver->Stop();
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iSender->Stop();
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iStarted = EFalse;
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//after stop().
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if (KAltSetting1 == iAltSetting)
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{
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iAltSetting = KAltSetting0;
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}
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}
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OstTraceFunctionExit0(CNCMDATAINTERFACE_STOP_DUP01);
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}
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/**
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Send packet data from upper link to NCM host
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*/
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TInt CNcmDataInterface::Send(RMBufChain &aPacket)
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{
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const TInt KContinue = 1;
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const TInt KStop = 0;
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TInt ret = iSender->Send(aPacket);
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if (ret == KErrNone)
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{
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return KContinue;
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}
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else if (ret == KErrNotReady || ret == KErrCongestion)
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{
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return KStop;
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}
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else
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{
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iEngine.DataError(ret);
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return KStop;
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}
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}
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/**
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* Acitve this AO to monitor the LDD's alt-setting changes.
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*/
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void CNcmDataInterface::ActivateLdd()
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{
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TInt alt = 0;
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TInt ret = KErrNone;
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ret = iLdd.GetAlternateSetting(alt);
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OstTraceExt2(TRACE_NORMAL, CNCMDATAINTERFACE_ACTIVATELDD, "ActivateLDD:alt=%d, ret=%d", alt, ret);
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if (KErrNone == ret)
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{
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if (iAltSetting == alt)
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{
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iLdd.AlternateDeviceStatusNotify(iStatus, iIfState);
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SetActive();
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}
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else
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{
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TRequestStatus* status = &iStatus;
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iStatus = KRequestPending;
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iIfState = KUsbAlternateSetting | alt;
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SetActive();
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User::RequestComplete(status, KErrNone);
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}
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}
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else
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{
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//It's possible when Usb Device Status is not configed.
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iLdd.AlternateDeviceStatusNotify(iStatus, iIfState);
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SetActive();
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}
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}
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void CNcmDataInterface::RunL()
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{
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OstTraceExt2(TRACE_NORMAL, CNCMDATAINTERFACE_RUNL, "State=%x, status=%d", iIfState, iStatus.Int());
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if (KErrNone == iStatus.Int())
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{
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iLdd.AlternateDeviceStatusNotify(iStatus, iIfState);
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SetActive();
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if (iIfState & KUsbAlternateSetting)
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{
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TInt ret = KErrNone;
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iAltSetting = iIfState & ~KUsbAlternateSetting;
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if (KAltSetting1 == iAltSetting)
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{
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ret = iLdd.StartNextOutAlternateSetting(ETrue);
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if (KAltSetting1 == ret)
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{
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iEngine.HandleAltSetting(iAltSetting);
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}
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else
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{
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iEngine.DataError(ret);
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}
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}
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else
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{
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iEngine.HandleAltSetting(iAltSetting);
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ret = iLdd.StartNextOutAlternateSetting(ETrue);
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if (KAltSetting0 != ret)
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{
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iEngine.DataError(ret);
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}
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}
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}
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}
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else
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{
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iEngine.DataError(iStatus.Int());
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}
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}
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/**
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* AO cancel.
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*/
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void CNcmDataInterface::DoCancel()
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{
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iLdd.AlternateDeviceStatusNotifyCancel();
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}
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/**
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* Get Connection Speed. (NB. Upstream's is the same as downstream's).
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*/
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TInt CNcmDataInterface::GetSpeed(TInt& aSpeed)
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{
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const TInt KHighSpeed = 480 * 1024 * 1024;
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const TInt KFullSpeed = 12 * 1024 * 1024;
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if (iLdd.CurrentlyUsingHighSpeed())
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{
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aSpeed = KHighSpeed;
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}
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else
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{
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aSpeed = KFullSpeed;
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}
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return KErrNone;
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}
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/**
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* Get Ntb Input Size.
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*/
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TInt CNcmDataInterface::GetNtbInputSize(TDes8& aSize)
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{
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const TUint KNtbIntputSizeLength = 4;
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aSize.SetLength(KNtbIntputSizeLength);
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LittleEndian::Put32(&aSize[0], iSender->NtbInMaxSize());
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return KErrNone;
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}
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/**
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* Set Ntb Input Size.
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*/
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TInt CNcmDataInterface::SetNtbInputSize(TDesC8& aSize)
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{
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TInt size = LittleEndian::Get32(aSize.Ptr());
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return iSender->SetNtbInMaxSize(size, KAltSetting0==iAltSetting);
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}
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/**
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* Get Ntb Parameter.
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*/
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TInt CNcmDataInterface::GetNtbParam(TDes8& aParamBuf)
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{
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TNcmNtbInParam param;
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iSender->GetNtbParam(param);
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const TUint32 KNtbParamLength = 0x001C;
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const TUint32 KNtbFormat = 0x0001;
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const TUint KNtbParamLengthOffset = 0; //0
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const TUint KNtbFormatOffset = KNtbParamLengthOffset + 2; //2
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const TUint KNtbInMaxSizeOffset = KNtbFormatOffset + 2; //4
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const TUint KNtbInDivisorOffset = KNtbInMaxSizeOffset + 4; //8
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const TUint KNtbInPayloadRemainderOffset = KNtbInDivisorOffset + 2; //10
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const TUint KNtbInAlignmentOffset = KNtbInPayloadRemainderOffset + 2;//12
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const TUint KNtbOutMaxSizeOffset = KNtbInAlignmentOffset + 4; //16
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const TUint KNtbOutDivisorOffset = KNtbOutMaxSizeOffset + 4; //20
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const TUint KNtbOutPayloadRemainderOffset = KNtbOutDivisorOffset + 2;//22
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const TUint KNtbOutAlignmentOffset = KNtbOutPayloadRemainderOffset + 2;//24
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aParamBuf.FillZ(KNtbParamLength);
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LittleEndian::Put16(&aParamBuf[KNtbParamLengthOffset], KNtbParamLength);
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LittleEndian::Put16(&aParamBuf[KNtbFormatOffset], KNtbFormat);
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LittleEndian::Put32(&aParamBuf[KNtbInMaxSizeOffset], param.iNtbInMaxSize);
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LittleEndian::Put16(&aParamBuf[KNtbInDivisorOffset], param.iNdpInDivisor);
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LittleEndian::Put16(&aParamBuf[KNtbInPayloadRemainderOffset], param.iNdpInPayloadRemainder);
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LittleEndian::Put16(&aParamBuf[KNtbInAlignmentOffset], param.iNdpInAlignment);
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//Tricky way: copy the Sender's parameter as the Receiver's.
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LittleEndian::Put32(&aParamBuf[KNtbOutMaxSizeOffset], iReceiver->NtbOutMaxSize());
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LittleEndian::Put16(&aParamBuf[KNtbOutDivisorOffset], param.iNdpInDivisor);
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LittleEndian::Put16(&aParamBuf[KNtbOutPayloadRemainderOffset], param.iNdpInPayloadRemainder);
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LittleEndian::Put16(&aParamBuf[KNtbOutAlignmentOffset], param.iNdpInAlignment);
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return KErrNone;
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}
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TInt CNcmDataInterface::SetInEpBufferSize(TUint aSize)
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{
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return iSender->SetInEpBufferSize(aSize);
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}
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