/*

* Copyright (c) 2006 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 __TRKDCCDRIVER_H__

#define __TRKDCCDRIVER_H__

// Debug messages

#ifdef _DEBUG

#define LOG_MSG(x) Kern::Printf(x)

#define LOG_MSG2(x, y) Kern::Printf(x, y)

#else

#define LOG_MSG(x)

#define LOG_MSG2(x, y)

#endif

//

// Macros

//

#define MAXMESSAGESIZE	0x0880

//

// class DTrkDccDriverFactory

//

class DTrkDccDriverFactory : public DLogicalDevice

{

public:

	DTrkDccDriverFactory();

	virtual TInt Install();

	virtual void GetCaps(TDes8& aDes) const;

	virtual TInt Create(DLogicalChannelBase*& aChannel);

};

//

// DTrkDccChannel

//

class DTrkDccChannel : public DLogicalChannel

{

public:

	DTrkDccChannel(DLogicalDevice* aLogicalDevice);

	~DTrkDccChannel();

	virtual TInt DoCreate(TInt aUnit, const TDesC* anInfo, const TVersion& aVer);	

	virtual void HandleMsg(TMessageBase* aMsg);

protected:

	virtual void DoCancel(TInt aReqNo);

	virtual void DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2);

	virtual TInt DoControl(TInt aFunction, TAny *a1, TAny *a2);

private:

	TInt DoWrite(TUint32 aLength, TAny* a2);

	TInt DoRead();

	TInt WriteDccChannel(const TDesC8& aDes);

	void ReadDccChannel();

	void DoCompleteRx();

	static void RxTimerDfc(TAny* aPtr);

	static void RxTimerCallBack(TAny* aPtr);

private:

	DThread* iClientThread;

	TRequestStatus* iRequestGetEventStatus;

	NTimer iRxTimer;

	TBuf8<MAXMESSAGESIZE> iTxBuffer;

	//TBuf8<MAXMESSAGESIZE*2> iRxBuffer;

	TUint8 *iRxBuffer;

	TInt iRxBufSize;

	TRequestStatus* iRxRequestStatus;

	TAny* iRxClientBuffer;

	TUint32 iRxClientBufferLength;

	TInt iRxGetIndx, iRxPutIndx;

	TDfc iRxCompleteDfc;

	TInt iInterruptId;

	TInt iRxTimeOut;

	TUint32 iPageSize;

	TBool iPacketStarted;

	TBool iPacketEnded;

	/** Lock serialising calls to event handler */

	DSemaphore* iLock;

	TDfcQue* iDFCQue;

};

#endif //__TRKDCCDRIVER_H__