/*

* 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__