diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/openenvcore/backend/inc/serialstream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/genericopenlibs/openenvcore/backend/inc/serialstream.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,57 @@
+/*
+* Copyright (c) 2006-2009 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:
+* Name        : serialstream.h
+* Part of     : stdio server
+* To handle the read and write on serial(comm)
+* 
+*
+*/
+
+
+
+#ifndef _SERIALSTREAM_H_
+#define _SERIALSTREAM_H_
+
+#include "StdioServer.h"
+#include "streambase.h" //CStreamBase2
+#include "ReadRequestHandler.h" //CReadRequestHandler
+
+//-----------------------------------------------------------------------
+//Class name: 	CSerialStream
+//Description: 	This class represents the serial stream.
+//-----------------------------------------------------------------------
+
+class CSerialStream : public CStreamBase
+    {
+public:
+	static CSerialStream* NewL(TInt aBaudRate,TDesC& aPortName);
+    virtual void WriteL(TDes8& aDes);
+    virtual void Read(TRequestStatus& aStatus, const TInt aLength);
+    ~CSerialStream();
+	virtual void ReadCancel();
+	TStreamType Type() { return ESerial;}
+	
+private:
+   	CSerialStream(TInt aBaudRate,TDesC& aPortName);
+    void ConstructL();
+    RComm iPort;
+    TInt iOpenErr;
+    TInt iConfigErr;
+    TSerialInfo iPortInfo;
+    TFileName iPortName;
+    TInt iBaudRate;
+    };
+
+#endif //_SERIALSTREAM_H_