os/kernelhwsrv/kerneltest/e32test/usbho/t_usbdi/src/controlendpointreader.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // @file controlendpointreader.cpp
    15 // @internalComponent
    16 // 
    17 //
    18 
    19 #include "controlendpointreader.h"
    20 #include "testdebug.h"
    21 
    22 namespace NUnitTesting_USBDI
    23 	{	
    24 	
    25 CControlEndpointReader::CControlEndpointReader(RDevUsbcClient& aClientDriver,MRequestHandler& aRequestHandler)
    26 :	CEndpointReader(aClientDriver,EEndpoint0),
    27 	iDeviceToHost(EFalse),
    28 	iDataPhase(EFalse),
    29 	iRequestHandler(aRequestHandler)
    30 	{
    31 	}
    32 	
    33 	
    34 CControlEndpointReader::~CControlEndpointReader()
    35 	{
    36 	LOG_FUNC
    37 	}
    38 
    39 
    40 void CControlEndpointReader::ReadRequestsL()
    41 	{
    42 	LOG_FUNC
    43 	
    44 	// Read a packet from endpoint 0 (this should incorporate a request)
    45 	
    46 	ReadPacketL(this);
    47 	}
    48 	
    49 
    50 void CControlEndpointReader::EndpointReadError(TEndpointNumber aEndpointNumber,TInt aErrorCode)
    51 	{
    52 	LOG_FUNC
    53 	
    54 	RDebug::Printf("<Error %d> Asynchronous read on endpoint %d",aErrorCode,aEndpointNumber);
    55 	}
    56 	
    57 	
    58 void CControlEndpointReader::DataReceivedFromEndpointL(TEndpointNumber aEndpointNumber,const TDesC8& aData)
    59 	{
    60 	LOG_FUNC
    61 	
    62 	RDebug::Printf("ibRequestType = %d, ibRequest = %d, iwValue = %d, iwIndex = %d, iwLength = %d",ibRequestType, ibRequest, iwValue, iwIndex, iwLength);
    63 	RDebug::Printf("iDeviceToHost = %d, iDataPhase = %d",iDeviceToHost,iDataPhase);
    64 	if(iDeviceToHost && iDataPhase)
    65 		{
    66 		TInt err = iRequestHandler.ProcessRequestL(ibRequest,iwValue,iwIndex,iwLength,aData);
    67 		RDebug::Printf("ProdessRequestL returned %d",err);
    68 		
    69 		if(err != KErrAbort)
    70 			{
    71 			iDeviceToHost = EFalse;
    72 			iDataPhase = EFalse;
    73 			
    74 			// After processing the request keep reading for more requests
    75 			// from the host
    76 			ReadPacketL(this);
    77 			}
    78 		}
    79 	else
    80 		{
    81 		// Understand the setup packet
    82 		ibRequestType = aData[0];
    83 		iDeviceToHost = (ibRequestType & 0x80) == 0x00;
    84 			
    85 		// The request
    86 		ibRequest = aData[1];
    87 				
    88 		// The request parameter
    89 		TUint8* p = reinterpret_cast<TUint8*>(&iwValue);
    90 		*p = aData[2];
    91 		*(p+1) = aData[3];
    92 		
    93 		// The index for the request
    94 		p = reinterpret_cast<TUint8*>(&iwIndex);
    95 		*p = aData[4];
    96 		*(p+1) = aData[5];
    97 		
    98 		// The length of data transfer
    99 		p = reinterpret_cast<TUint8*>(&iwLength);
   100 		*p = aData[6];
   101 		*(p+1) = aData[7];
   102 		
   103 		iDataPhase = (iwLength > 0);
   104 		
   105 		// Read all information about the request sent by the host
   106 		// i.e. any DATA1 packets sent after the setup DATA0 packet
   107 		RDebug::Printf("AFTER UPDATES");
   108 		RDebug::Printf("ibRequestType = %d, ibRequest = %d, iwValue = %d, iwIndex = %d, iwLength = %d",ibRequestType, ibRequest, iwValue, iwIndex, iwLength);
   109 		RDebug::Printf("iDeviceToHost = %d, iDataPhase = %d",iDeviceToHost,iDataPhase);
   110 		if(iDeviceToHost && iDataPhase)
   111 			{
   112 			RDebug::Printf("Issuing another read of %d bytes",iwLength);
   113 			ReadL(iwLength);
   114 			}
   115 		else
   116 			{
   117 			TInt err = iRequestHandler.ProcessRequestL(ibRequest,iwValue,iwIndex,iwLength,KNullDesC8);
   118 			
   119 			if(err != KErrAbort)
   120 				{
   121 				// After processing the request keep reading for more requests
   122 				// from the host
   123 				ReadPacketL(this);
   124 				}
   125 			}
   126 		}
   127 	}
   128 	
   129 	
   130 	}