// 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

 @internalComponent

*/

#ifndef HCTLTIRECEIVER_H

#define HCTLTIRECEIVER_H

#include <e32base.h>

#include <bluetooth/hci/hcievents.h>

#include <bluetooth/hciframelogger.h>

class CHCTLTi;

class RBusDevComm;

/**

	This is the class that implements the UART specifics of the Receiver AO and framer.

	This class is not intented for derivation.

*/

NONSHARABLE_CLASS(CHCTLTiReceiver) : public CActive

    {

public:

	static CHCTLTiReceiver* NewL(CHCTLTi& aHCTLTi, RBusDevComm& aPort);

	~CHCTLTiReceiver();

	// Called to initiate the initial read on the port.

	void Start();

private:

	CHCTLTiReceiver(CHCTLTi& aHCTLTi, RBusDevComm& aPort);

	void ConstructL();

	// Helper methods

	void QueueReadForNextFrame(TUint16 aOffset, TUint16 aBytesRequired);

	void ProcessData();

	// From CActive

	virtual void RunL();

	virtual void DoCancel();

private:

    enum THctlReceiverState 

    	{ 

      	EWaitingForHctlHeaderByte,

	  	EWaitingForHciHeader,

	  	EWaitingForHciPayload,

	  	EInvalidDataReceived,

	  	};

	// Set the receive buffer equal to the 3-DH5 packet size.

	// This value should be changed by licensees if the controller

	// is exceeding this packet size.

	// 3-DH5.  Payload = 1021 octets.

	// Buffer length = payload + HCTL overhead + ACL Header

	static const TUint16 KHCTLRecvBufSize = 1026;

	CHCTLTi& iHCTLTi;

	THctlReceiverState iState;

	TUint8 iCurrentHCIPacketType;

	RBuf8 iReceiveBuffer;

	TPtr8 iReceiveBufPtr;

	RBusDevComm& iPort;

	DECLARE_HCI_LOGGER

	};

#endif // HCTLTIRECEIVER_H