author | hgs |
Wed, 07 Jul 2010 15:08:54 +0800 | |
changeset 29 | 59aa7d6e3e0f |
parent 0 | c9bc50fca66e |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997-2010 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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|
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#include <e32std.h> |
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#include <d32usbc.h> |
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#include "ActiveReader.h" |
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#include "AcmConstants.h" |
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#include "AcmPanic.h" |
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#include "ReadObserver.h" |
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#include "AcmUtils.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "ActiveReaderTraces.h" |
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#endif |
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CActiveReader::CActiveReader(MReadObserver& aParent, RDevUsbcClient& aLdd, TEndpointNumber aEndpoint) |
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: CActive(KEcacmAOPriority), |
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iParent(aParent), |
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iLdd(aLdd), |
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iEndpoint(aEndpoint) |
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/** |
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* Constructor. |
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* |
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* @param aParent The object that will be notified when read requests |
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* complete. |
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* @param aLdd The LDD handle to be used for posting read requests. |
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* @param aEndpoint The endpoint to read from. |
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*/ |
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{ |
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OstTraceFunctionEntry0( CACTIVEREADER_CACTIVEREADER_CONS_ENTRY ); |
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CActiveScheduler::Add(this); |
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OstTraceFunctionExit0( CACTIVEREADER_CACTIVEREADER_CONS_EXIT ); |
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} |
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CActiveReader::~CActiveReader() |
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/** |
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* Destructor. |
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*/ |
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{ |
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OstTraceFunctionEntry0( CACTIVEREADER_CACTIVEREADER_DES_ENTRY ); |
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Cancel(); |
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OstTraceFunctionExit0( CACTIVEREADER_CACTIVEREADER_DES_EXIT ); |
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} |
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CActiveReader* CActiveReader::NewL(MReadObserver& aParent, |
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RDevUsbcClient& aLdd, |
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TEndpointNumber aEndpoint) |
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/** |
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* Standard two phase constructor. |
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* |
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* @param aParent The object that will be notified when read requests |
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* complete. |
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* @param aLdd The LDD handle to be used for posting read requests. |
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* @param aEndpoint The endpoint to read from. |
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* @return Ownership of a new CActiveReader object. |
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*/ |
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{ |
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OstTraceFunctionEntry0( CACTIVEREADER_NEWL_ENTRY ); |
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CActiveReader* self = new(ELeave) CActiveReader(aParent, aLdd, aEndpoint); |
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OstTraceFunctionExit0( CACTIVEREADER_NEWL_EXIT ); |
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return self; |
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} |
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void CActiveReader::Read(TDes8& aDes, TInt aLen) |
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/** |
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* Read the given length of data from the LDD. |
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* |
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* @param aDes A descriptor into which to read. |
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* @param aLen The length to read. |
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*/ |
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{ |
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OstTraceFunctionEntry0( CACTIVEREADER_READ_ENTRY ); |
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iLdd.Read(iStatus, iEndpoint, aDes, aLen); |
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SetActive(); |
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OstTraceFunctionExit0( CACTIVEREADER_READ_EXIT ); |
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} |
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void CActiveReader::DoCancel() |
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/** |
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* Cancel an outstanding read. |
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*/ |
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{ |
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OstTraceFunctionEntry0( CACTIVEREADER_DOCANCEL_ENTRY ); |
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iLdd.ReadCancel(iEndpoint); |
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OstTraceFunctionExit0( CACTIVEREADER_DOCANCEL_EXIT ); |
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} |
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void CActiveReader::RunL() |
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/** |
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* This function will be called when the read completes. It notifies the |
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* parent class of the completion. |
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*/ |
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{ |
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OstTraceFunctionEntry0( CACTIVEREADER_RUNL_ENTRY ); |
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OstTrace1( TRACE_NORMAL, CACTIVEREADER_RUNL, "CActiveReader::RunL;RunL iStatus=%d", iStatus.Int() ); |
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iParent.ReadCompleted(iStatus.Int()); |
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OstTraceFunctionExit0( CACTIVEREADER_RUNL_EXIT ); |
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} |
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// |
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|
115 |
// End of file |