/*

* Copyright (c) 2005-2009 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: 

*

*/

/**

@file

@internalComponent

*/

#ifndef __SERIAL_DRIVER_H

#define __SERIAL_DRIVER_H

#define MAX_PORTS					10     // randomly high value...

#include <e32std.h>

#include <e32cmn.h>

class RSerialPort;            				// actually defined within the implementation

class CSerialServer

{

friend class CSerialPort;  // declare CSerialPort our friemd

public:

	CSerialServer();

	virtual ~CSerialServer();

	TBool Open(void);

	TBool Close(void);

private:

	// These next methods are for friends and not intended

	// as part of the truely public interface.	

	RSerialPort * GetPort(TUint aPortNum);		

	RSerialPort * InitialisePort(TUint aPortNum);

	TBool ClosePort(TUint aPortNum);

	// member variables

	TInt m_errPhysicalLoad;

	TInt m_errLogicalLoad;

	RSerialPort * portsInUse[MAX_PORTS]; // array for holding set of port info

};

class CSerialPort

{

public:

	CSerialPort();

	virtual ~CSerialPort();

	TBool Open(CSerialServer & aServer, TUint aPort);

	TBool Close(void);

	TBool Read(TRequestStatus & aStatus, 

			   TTimeIntervalMicroSeconds32 aTimeout,

			   TDes8 &aDes,

			   TInt aLength);

	TBool Write(TRequestStatus & aStatus,

						 TTimeIntervalMicroSeconds32 aTimeout,

						 const TDesC8 &aDes,

						 TInt aLength);

	TInt SetConfig(const TCommConfig & aRequiredConfig);

	TBool GetPortConfig(TCommConfig & aPortSettings);

	TBool ReadCancel(void);

	TBool WriteCancel(void);

	TBool SetReceiveBufferLength(TInt aSize);

	TBool ReceiveBufferLength(TInt & aSize);

	public:

	//functions

	RSerialPort * GivePortDetails(void);

	// Member variables	

	CSerialServer * m_pOurServer;

	TUint m_portId;

};

#endif