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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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// @file controlendpointreader.cpp
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// @internalComponent
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//
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//
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#include "controlendpointreader.h"
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#include "testdebug.h"
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namespace NUnitTesting_USBDI
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{
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CControlEndpointReader::CControlEndpointReader(RDevUsbcClient& aClientDriver,MRequestHandler& aRequestHandler)
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: CEndpointReader(aClientDriver,EEndpoint0),
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iDeviceToHost(EFalse),
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iDataPhase(EFalse),
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iRequestHandler(aRequestHandler)
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{
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}
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CControlEndpointReader::~CControlEndpointReader()
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{
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LOG_FUNC
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}
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void CControlEndpointReader::ReadRequestsL()
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{
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LOG_FUNC
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// Read a packet from endpoint 0 (this should incorporate a request)
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ReadPacketL(this);
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}
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void CControlEndpointReader::EndpointReadError(TEndpointNumber aEndpointNumber,TInt aErrorCode)
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{
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LOG_FUNC
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RDebug::Printf("<Error %d> Asynchronous read on endpoint %d",aErrorCode,aEndpointNumber);
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}
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void CControlEndpointReader::DataReceivedFromEndpointL(TEndpointNumber aEndpointNumber,const TDesC8& aData)
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{
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LOG_FUNC
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RDebug::Printf("ibRequestType = %d, ibRequest = %d, iwValue = %d, iwIndex = %d, iwLength = %d",ibRequestType, ibRequest, iwValue, iwIndex, iwLength);
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RDebug::Printf("iDeviceToHost = %d, iDataPhase = %d",iDeviceToHost,iDataPhase);
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if(iDeviceToHost && iDataPhase)
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{
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TInt err = iRequestHandler.ProcessRequestL(ibRequest,iwValue,iwIndex,iwLength,aData);
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RDebug::Printf("ProdessRequestL returned %d",err);
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if(err != KErrAbort)
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{
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iDeviceToHost = EFalse;
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iDataPhase = EFalse;
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// After processing the request keep reading for more requests
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// from the host
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ReadPacketL(this);
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}
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}
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else
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{
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// Understand the setup packet
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ibRequestType = aData[0];
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iDeviceToHost = (ibRequestType & 0x80) == 0x00;
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// The request
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ibRequest = aData[1];
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// The request parameter
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TUint8* p = reinterpret_cast<TUint8*>(&iwValue);
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*p = aData[2];
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*(p+1) = aData[3];
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// The index for the request
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p = reinterpret_cast<TUint8*>(&iwIndex);
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*p = aData[4];
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*(p+1) = aData[5];
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// The length of data transfer
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p = reinterpret_cast<TUint8*>(&iwLength);
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*p = aData[6];
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*(p+1) = aData[7];
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iDataPhase = (iwLength > 0);
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// Read all information about the request sent by the host
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// i.e. any DATA1 packets sent after the setup DATA0 packet
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RDebug::Printf("AFTER UPDATES");
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RDebug::Printf("ibRequestType = %d, ibRequest = %d, iwValue = %d, iwIndex = %d, iwLength = %d",ibRequestType, ibRequest, iwValue, iwIndex, iwLength);
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RDebug::Printf("iDeviceToHost = %d, iDataPhase = %d",iDeviceToHost,iDataPhase);
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if(iDeviceToHost && iDataPhase)
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{
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RDebug::Printf("Issuing another read of %d bytes",iwLength);
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ReadL(iwLength);
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}
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else
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{
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TInt err = iRequestHandler.ProcessRequestL(ibRequest,iwValue,iwIndex,iwLength,KNullDesC8);
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if(err != KErrAbort)
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{
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// After processing the request keep reading for more requests
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// from the host
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ReadPacketL(this);
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}
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}
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}
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}
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}
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