// 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:

//

/**

 @file

 @publishedPartner

 @released

*/

#ifndef HCTLUARTBASE_H

#define HCTLUARTBASE_H

#include <bluetooth/hci/hctlbase.h>

#include <bluetooth/hci/hctlinterface.h>

#include <bluetooth/hardresetinitiator.h>

#include <d32comm.h>

class MHCTLChannelObserver;

class MHCTLDataObserver;

class MHCTLEventObserver;

class MControllerStateObserver;

class RBtBusDevComm;

/**

An implementation of a HCTL Plugin, for use as a base class

for UART based HCTL implementations.

This class directly implements the interfaces MHCTLInterface. It 

"exports" through the CHCTLBase::GetInterface function.

This class is intended to be derived from.

*/

class CHCTLUartBase : public CHCTLBase,

					  public MHCTLInterface,

					  public MHardResetInitiator

    {

public:

	enum TPowerControlDetectionMode

		{

		EPwrCtrlModeNone 	= 0x00,

		EPwrCtrlCTSTimedLow = 0x01,

		};

public:

	IMPORT_C ~CHCTLUartBase(); 

protected:

	IMPORT_C CHCTLUartBase();

	IMPORT_C virtual TBool CheckHardwareConnected();

	IMPORT_C void BaseConstructL(const TDesC& aIniFileName);

protected:

	IMPORT_C TAny* Interface(TUid aUid);

	IMPORT_C void SetPortBaudRateL(TUint32 aBaudRate);

	/**

	Accessor method for the port

	*/

	IMPORT_C RBusDevComm& Port();

	// Getter for iPowerCtrlMode

	IMPORT_C CHCTLUartBase::TPowerControlDetectionMode PowerCtrlMode() const;

private:

	void OpenPortL(TUint aPortNo);

	void ScanAndOpenPortL(TUint aStartingPortNo);

	virtual void PortOpenedL() = 0;

protected: 

	// unowned

	MHCTLChannelObserver* iChannelObserver;

	MHCTLDataObserver* iDataObserver;

	MHCTLEventObserver* iEventObserver;

	MControllerStateObserver* iControllerStateObserver;

private:

	// owned

	RBtBusDevComm* 				iPort;

	TPowerControlDetectionMode	iPowerCtrlMode;

	TUint32						iPadding;

    };

#endif // HCTLUARTBASE_H