diff -r 000000000000 -r 1e05558e2206 usbengines/usbdevcon/src/cep0writer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbdevcon/src/cep0writer.cpp	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,131 @@
+/*
+* 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 Writer 
+*
+*/
+
+
+#include "cep0writer.h"
+#include "cstatemachine.h"
+#include "cusbdevcon.h"
+#include "debug.h"
+
+// ---------------------------------------------------------------------------
+// Two-phase construction
+// ---------------------------------------------------------------------------
+//
+CEP0Writer* CEP0Writer::NewL(CStateMachine& aObserver, RDevUsbcClient& aLdd)
+    {
+    
+    FLOG( _L( "[USBDEVCON]\tCEP0Writer::NewL" ) );
+    
+    CEP0Writer* self = new (ELeave) CEP0Writer(aObserver, aLdd);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;    
+    }
+
+// ---------------------------------------------------------------------------
+// Default construction
+// ---------------------------------------------------------------------------
+//
+CEP0Writer::CEP0Writer(CStateMachine& aObserver, RDevUsbcClient& aLdd) :
+                                                            CActive(EPriorityMore),
+                                                            iObserver(aObserver),
+                                                            iLdd(aLdd)
+    {
+    CActiveScheduler::Add(this);
+    }
+        
+// ---------------------------------------------------------------------------
+// Two-phase construction
+// ---------------------------------------------------------------------------
+//
+void CEP0Writer::ConstructL()
+    {
+    
+    FLOG( _L( "[USBDEVCON]\tCEP0Writer::ConstructL" ) );
+    
+    iBuffer.CreateL(0); // later will be set with needed size
+    }
+    
+// ---------------------------------------------------------------------------
+// Destruction
+// ---------------------------------------------------------------------------
+//
+CEP0Writer::~CEP0Writer()
+    {
+    Cancel(); 
+           
+    iBuffer.Close();
+        
+    }   
+    
+// ---------------------------------------------------------------------------
+// Cancellation
+// ---------------------------------------------------------------------------
+//
+void CEP0Writer::DoCancel()
+    {
+    iLdd.WriteCancel(EEndpoint0);
+    }
+
+// ---------------------------------------------------------------------------
+// Data has been wrote to EP0 
+// ---------------------------------------------------------------------------
+//  
+void CEP0Writer::RunL()
+    {
+
+    FLOG( _L( "[USBDEVCON]\tCEP0Writer::RunL" ) );
+
+    iObserver.WroteEP0(iStatus);
+    }
+    
+// ----------------------------------------------------------------------------
+// Standard active object error function.
+// ----------------------------------------------------------------------------
+//
+TInt CEP0Writer::RunError( TInt /*aError*/ )
+    {
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Issue request to write data
+// ---------------------------------------------------------------------------
+//
+void CEP0Writer::Write(const RBuf8& aBuffer, TUint aDataLength)
+    {
+
+    FLOG( _L( "[USBDEVCON]\tCEP0Writer::Write" ) );
+
+    if(IsActive())
+        {
+        return;
+        }
+    
+    FTRACE(FPrint(
+            _L("[USBDEVCON]\tCEP0Writer::Write. aBuffer Length = %d aDataLength = %d" ),aBuffer.Length(), aDataLength));
+
+    iBuffer.Close();
+    iBuffer.Create(aBuffer, aDataLength);   
+    
+    iLdd.Write(iStatus, EEndpoint0, iBuffer, aDataLength, ETrue);
+    SetActive();
+    
+    }
+
+