diff -r 000000000000 -r 1e05558e2206 usbengines/usbdevcon/src/cep0reader.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbdevcon/src/cep0reader.cpp	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,149 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  EP0 Reader 
+*
+*/
+
+
+#include "cep0reader.h"
+#include "cstatemachine.h"
+#include "cusbdevcon.h"
+#include "debug.h"
+
+// ---------------------------------------------------------------------------
+// Two-phase construction
+// ---------------------------------------------------------------------------
+//
+CEP0Reader* CEP0Reader::NewL(CStateMachine& aObserver, RDevUsbcClient& aLdd)
+    {
+    
+    FLOG( _L( "[USBDEVCON]\tCEP0Reader::NewL" ) );
+    
+    CEP0Reader* self = new (ELeave) CEP0Reader(aObserver, aLdd);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;    
+    }
+
+// ---------------------------------------------------------------------------
+// Default construction
+// ---------------------------------------------------------------------------
+//
+CEP0Reader::CEP0Reader(CStateMachine& aObserver, RDevUsbcClient& aLdd) :
+                                                            CActive(EPriorityMore),
+                                                            iLdd(aLdd),
+                                                            iObserver(aObserver)
+                                                            
+    {
+    CActiveScheduler::Add(this);
+    }
+        
+// ---------------------------------------------------------------------------
+// Two-phase construction
+// ---------------------------------------------------------------------------
+//
+void CEP0Reader::ConstructL()
+    {
+    
+    FLOG( _L( "[USBDEVCON]\tCEP0Reader::ConstructL" ) );
+    
+    iBuffer.CreateL(0); // later will be reallocated with required size
+    }
+    
+// ---------------------------------------------------------------------------
+// Destruction
+// ---------------------------------------------------------------------------
+//
+CEP0Reader::~CEP0Reader()
+    {
+    Cancel();
+           
+    iBuffer.Close();
+    }   
+    
+// ---------------------------------------------------------------------------
+// Cancellation of outstanding request
+// ---------------------------------------------------------------------------
+//
+void CEP0Reader::DoCancel()
+    {
+    iLdd.ReadCancel(EEndpoint0);
+    }
+
+// ----------------------------------------------------------------------------
+// Standard active object error function.
+// ----------------------------------------------------------------------------
+//
+TInt CEP0Reader::RunError( TInt /*aError*/ )
+    {
+    return KErrNone;
+    }
+        
+// ---------------------------------------------------------------------------
+// Data has been read from EP0
+// ---------------------------------------------------------------------------
+//
+void CEP0Reader::RunL()
+    {
+
+    FLOG( _L( "[USBDEVCON]\tCEP0Reader::RunL Data received:" ) );
+    
+    iObserver.ReadEP0(iBuffer, iStatus);
+    }
+
+// ---------------------------------------------------------------------------
+// Issue request to read setup packet
+// ---------------------------------------------------------------------------
+//
+void CEP0Reader::ReadSetupPacket()
+    {
+    
+    FLOG( _L( "[USBDEVCON]\tCEP0Reader::ReadSetupPacket" ) );
+
+    if(IsActive())
+        {
+        return;
+        }
+    
+    iBuffer.Close();
+    iBuffer.Create(KSetupPacketLength);
+    
+    iLdd.ReadPacket(iStatus, EEndpoint0, iBuffer, KSetupPacketLength);
+    SetActive();
+    
+    }
+
+// ---------------------------------------------------------------------------
+// Issue request to read data
+// ---------------------------------------------------------------------------
+//  
+void CEP0Reader::Read(TUint aDataLength)
+    {
+    
+    FLOG( _L( "[USBDEVCON]\tCEP0Reader::Read" ) );
+
+    if(IsActive())
+        {
+        return;
+        }
+    
+    iBuffer.Close();
+    iBuffer.Create(aDataLength);    
+        
+    iLdd.Read(iStatus, EEndpoint0, iBuffer, aDataLength);
+    SetActive();
+    
+    }
+