--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgagents/trkagent/engine/TrkDccCommPort.h	Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,76 @@
+/*
+* Copyright (c) 2004 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: 
+*
+*/
+
+
+#ifndef __TRKDCCCOMMPORT_H__
+#define __TRKDCCCOMMPORT_H__
+
+#include "TrkCommPort.h"
+#include "TrkDccComm.h"
+
+//
+// class CTrkDccCommPort
+//
+// Defines an interface to a serial type communications port
+//
+class CTrkDccCommPort : public CTrkCommPort
+{
+public:
+
+	static CTrkDccCommPort* NewL(TTrkConnData& aTrkConnData, TDes& aErrorMessage);
+	~CTrkDccCommPort();
+
+	void OpenPortL();
+	void ClosePort();
+
+	void SendDataL(const TDesC8& aData);
+	void Listen(CTrkFramingLayer *aFramingLayer);
+	void StopListening();
+
+protected:
+
+	void DoCancel();
+	void RunL();
+
+private:
+
+	CTrkDccCommPort();
+	void ConstructL(TTrkConnData& aTrkConnData, TDes& aErrorMessage);
+	void IssueReadRequest();
+	void ReportAndLeaveIfErrorL(TInt aError, const TDesC& aDesc);
+	
+private:
+
+	TBool iConnected;
+	TBool iListening;
+
+	TBuf8<MAXMESSAGESIZE> iReceivedChars;
+	TInt iNextReadChar;
+
+	CTrkFramingLayer* iFramingLayer;
+	
+	RTrkDccDriver iDccDriver;
+	
+	TBuf<32> iLDD;
+	TUint iUnitNumber;
+	
+	TInt iLineNumber;
+	
+	TBool iLddLoaded;
+};
+
+#endif // __TRKDCCCOMMPORT_H__