/*

* Copyright (c) 2008-2009 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:  

* naviengine_assp\uart\vserialkeyb.h

* Header for serial keyboard driver

*

*/

#ifndef __VSERIALKEYB_H__

#define __VSERIALKEYB_H__

const TUint maxSeq = 5;

class TSerialKeyboard

{

public:

	TSerialKeyboard();

	TInt Create();

	static void Isr(TAny* aPtr);

private:

	static void KeyDfcFn(TAny* aPtr);

	inline void KeyDfc();

	void AddConvertedEvent(TUint aKey);

	void AddUnconvertedEvent(TUint aKey);

	TInt GetSerialPort(TUint& aBaud);

	enum TState

		{

		ENormal,

		EEscapingStart = 0x1b,

		EEscapingType1 = 0x4f,

		EEscapingType2 = 0x5b,

		};

private:

	TDfc    iKeyDfc;

	TInt    iKeyboardPort;

	TUint   iSeqNum;

	TUint   iCode[maxSeq];

	TInt    iInterrupt;

	T16550Uart* iUart;

};

#endif /* __VSERIALKEYB_H__ */