/*

* Copyright (c) 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: 

*

*/

#ifndef __TRKDBGTRCCOMMPORT_H__

#define __TRKDBGTRCCOMMPORT_H__

#include "TrkCommPort.h"

#include "dbgtrccomm.h"

//

// class CTrkDbgTrcCommPort

//

// Defines an interface to a serial type communications port

//

class CTrkDbgTrcCommPort : public CTrkCommPort

{

public:

	static CTrkDbgTrcCommPort* NewL(TTrkConnData aTrkConnData, TDes& aErrorMessage);

	~CTrkDbgTrcCommPort();

	void OpenPortL();

	void ClosePort();

	void SendDataL(const TDesC8& aData);

	void Listen(CTrkFramingLayer *aFramingLayer);

	void StopListening();

protected:

	void DoCancel();

	void RunL();

private:

	CTrkDbgTrcCommPort();

	void ConstructL(TTrkConnData aTrkConnData, TDes& aErrorMessage);

	void IssueReadRequest();

	void ReportAndLeaveIfErrorL(TInt aError, const TDesC& aDesc);

private:

	TUint  iUnitNumber;

	TBool iConnected;

	TBool iListening;

	TBuf8<MAXMESSAGESIZE> iReceivedChars;

	TInt iNextReadChar;

	CTrkFramingLayer* iFramingLayer;

	TInt iLineNumber;

	RDbgTrcComm iDbgTrcPort;

};

#endif // __TRKDBGTRCCOMMPORT_H__