author | hgs |
Fri, 18 Jun 2010 09:56:50 +0300 | |
changeset 30 | 7d966ab5304a |
parent 0 | c40eb8fe8501 |
child 43 | d3d7683d16f5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2009 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: Implements receiver class for target |
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* |
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*/ |
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|
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/* |
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* %version: 13 % |
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*/ |
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#include <nifmbuf.h> |
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#include "am_debug.h" |
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#include "receiver_hw.h" |
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#include "WlanProto.h" |
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#include "carddrv.h" |
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|
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// --------------------------------------------------------- |
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// CReceiver::CReceiver() |
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// --------------------------------------------------------- |
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// |
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CReceiver::CReceiver( CPcCardPktDrv* aParent ) : |
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CActive(EPriorityStandard), |
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iParent(aParent), |
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iFrameToFree( NULL ) |
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{ |
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} |
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// --------------------------------------------------------- |
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// CReceiver::ConstructL() |
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// --------------------------------------------------------- |
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// |
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void CReceiver::ConstructL() |
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{ |
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DEBUG("CReceiver::ConstructL()"); |
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} |
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// --------------------------------------------------------- |
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// CReceiver::NewL() |
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// --------------------------------------------------------- |
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// |
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CReceiver* CReceiver::NewL( CPcCardPktDrv* aParent ) |
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{ |
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DEBUG("CReceiver::NewL()"); |
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CReceiver* self = new (ELeave) CReceiver( aParent ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CActiveScheduler::Add( self ); |
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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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// CReceiver::~CReceiver() |
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// --------------------------------------------------------- |
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// |
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CReceiver::~CReceiver() |
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{ |
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DEBUG("CReceiver::~CReceiver()"); |
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Cancel(); |
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iFrameToFree = NULL; |
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} |
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// --------------------------------------------------------- |
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// CReceiver::DoCancel() |
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// --------------------------------------------------------- |
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// |
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void CReceiver::DoCancel() |
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{ |
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DEBUG("CReceiver::DoCancel()"); |
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iParent->iCard.ReadCancel(); |
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} |
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// --------------------------------------------------------- |
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// CReceiver::QueueRead() |
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// --------------------------------------------------------- |
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// |
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void CReceiver::QueueRead() |
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{ |
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iParent->iCard.RequestFrame( iStatus ); |
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SetActive(); |
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} |
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// --------------------------------------------------------- |
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// CReceiver::RunL() |
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// --------------------------------------------------------- |
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// |
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void CReceiver::RunL() |
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{ |
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DEBUG("CReceiver::RunL()" ); |
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TUint rxCount( 0 ); |
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const TUint KMaxRxCount( 4 ); |
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while( ( rxCount < KMaxRxCount ) && |
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( iDataBuffer = iParent->iCard.GetRxFrame( iFrameToFree ) ) != NULL ) |
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{ |
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TUint8* buf = iDataBuffer->GetBuffer(); |
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TUint32 len = iDataBuffer->GetLength(); |
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//Save the original buf value which points |
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//to the beginning of the Ethernet header |
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TUint8* bufOrig = buf; |
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DEBUG1("CReceiver::RunL() - packet length: %u", len ); |
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if( buf && len > 0 && len <= KMaxEthernetFrameLength ) |
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{ |
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//Now set buf point to the beginning of the Payload |
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buf = buf + KEtherHeaderSize; |
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len = len - KEtherHeaderSize; |
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TPtrC8 pkt(buf, len); |
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RMBufPacket pFrame; //Payload |
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TRAPD( ret, pFrame.CreateL( pkt ) ); |
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if( ret == KErrNone ) |
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{ |
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pFrame.Pack(); |
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iParent->iParent->Process( pFrame, bufOrig, iDataBuffer->UserPriority() ); |
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} |
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} |
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iFrameToFree = iDataBuffer; |
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++rxCount; |
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DEBUG1("CReceiver::RunL() - %u packet(s) processed", rxCount ); |
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0
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} |
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if ( rxCount == KMaxRxCount ) |
0
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{ |
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DEBUG("CReceiver::RunL() - yield"); |
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||
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SetActive(); |
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TRequestStatus* status = &iStatus; |
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User::RequestComplete( status, KErrNone ); |
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} |
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else |
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{ |
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iFrameToFree = NULL; |
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if( iParent->CardOpen() ) |
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{ |
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QueueRead(); |
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} |
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0
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} |
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} |