/*

* 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: 

*

*/

/********************************************************************************

 *

 * Stat Serial Transport

 *

 *******************************************************************************/

#ifndef __STATSERIAL_H__

#define __STATSERIAL_H__

/********************************************************************************

 *

 * System Includes

 *

 *******************************************************************************/

#ifndef LIGHT_MODE

#include <c32comm.h>

#else // ifndef LIGHT_MODE

#include <serialdriverext.h>

#endif // ifndef LIGHT_MODE

#include <f32file.h>

/********************************************************************************

 *

 * Local Includes

 *

 *******************************************************************************/

#include "filedump.h"

#include "stat_interfaces.h"

/********************************************************************************

 *

 * Definitions

 *

 *******************************************************************************/

#define KModuleSize									8

/********************************************************************************

 *

 * Class

 *

 *******************************************************************************/

class CStatApiSerial : public CActive, public MStatNetwork

{

public:

	// construction

	static CStatApiSerial* NewL( TPtrC16 aModule );

	CStatApiSerial();

	~CStatApiSerial();

	// from MStatNetwork

	TInt GetPacketSize();

	TInt InitialiseL( MNotifyStatTransport *iTransport );

	TInt ConnectL( TDesC *aRemoteHost );

	TInt RequestSend( TDesC8 *aCommandData, const TUint aDataLength );

	TInt RequestReceive( TUint aByteCount );

	TInt Disconnect( void );

	TInt Release( void );

	TText8 *Error( void );

	TUint NtoHl( TUint aValue ) const;

	TUint HtoNl( TUint aValue ) const;

	// from CActive

	void RunL( void );

	void DoCancel( void );

public:

	// Enumeration of different serial sub-types.

	// There is an option of using serial sub-classes but the number of

	// classes (three plus a base serial) is too great for the 

	// very small number of special case changes we need.

	// Leave the serial implementation as one class and continue 

	// to handle special cases.  This ensure all the code we 

	// need continues to be in one place.

	enum TSerialSubtype {

				EInvalid = 0,

				ESerialCable,

				EInfraRed, 

				ENumberOfSubTypes

				};

private:

	void ConstructL( TPtrC16 aModule );

	void SetStatus( TCommStatus aNewStatus );

	void ExtractOptions( TDesC *aRemoteHost, TDes& aPortNumber, TInt& aBaudCap, TBps& aBaudRate );

	// Finalise the initialisation started by a call to InitialiseL.

	// Called directly by InitialiseL in a synchronous

	// initialisation; called from RunL in an asynchronous

	// initialisation (such as USB).

	TInt OnInitialiseL(TInt resultCode);

	// Uses our iModule transport description text string to

	// determine the sub-type.  This will leave if we

	// are pass an unrecognised string in the constructor.

	// The leave value will be KErrNotSupported.

	void DetermineSubTypeL(void);

	// Returns the sub-type that identifies the nature of

	// our transport special case.

	TSerialSubtype SubType(void) const;

private:

	TCommStatus iSerialStatus;

	TReadWriteStatus iRWStatus;

	TBuf16<KModuleSize> iModule;

	MNotifyStatTransport *iTransport;

	TBuf8<1> iDummyBuffer;

	TInt iRetries;

	// Store the packetsize.

	// This depends upon our specific serial subtype.

	TInt iMaxPacketSize;

#ifndef LIGHT_MODE

	RCommServ iCommServer;

	RComm iCommPort;

#else // ifndef LIGHT_MODE

	SerialServer	iCommServer;

	SerialPort		iCommPort;

	RLibrary serialDriverLib;   // use for loading the serial driver lib

#endif // ifndef LIGHT_MODE

	TCommConfig iPortSettings, iOldPortSettings;

	HBufC8 *iRecvBuffer;

	TPtr8 *iRecvBufferPtr;

	TInt iRecvLength, iCommOldSettingsValid;

	// This is the sub-type that identifies the nature of

	// our transport special case.

	TSerialSubtype iSubType;

};

inline TUint CStatApiSerial::NtoHl( TUint aValue ) const

{

	return ( aValue );

}

inline TUint CStatApiSerial::HtoNl( TUint aValue ) const

{

	return ( aValue );

}

inline CStatApiSerial::TSerialSubtype CStatApiSerial::SubType(void) const

{

	return (iSubType);	

}

#endif