1 /*

     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 /**

    21 @file

    22 @internalComponent

    23 */

    24 

    25 #ifndef __SERIAL_DRIVER_H

    26 #define __SERIAL_DRIVER_H

    27 

    28 #define MAX_PORTS					10     // randomly high value...

    29 

    30 #include <e32std.h>

    31 #include <e32cmn.h>

    32 

    33 class RSerialPort;            				// actually defined within the implementation

    34 

    35 

    36 class CSerialServer

    37 {

    38 

    39 friend class CSerialPort;  // declare CSerialPort our friemd

    40 

    41 public:

    42 	CSerialServer();

    43 	virtual ~CSerialServer();

    44 

    45 	TBool Open(void);

    46 	TBool Close(void);

    47 	

    48 private:

    49 

    50 	// These next methods are for friends and not intended

    51 	// as part of the truely public interface.	

    52 	RSerialPort * GetPort(TUint aPortNum);		

    53 	RSerialPort * InitialisePort(TUint aPortNum);

    54 	TBool ClosePort(TUint aPortNum);

    55 

    56 	// member variables

    57 

    58 	TInt m_errPhysicalLoad;

    59 	TInt m_errLogicalLoad;

    60 

    61 	RSerialPort * portsInUse[MAX_PORTS]; // array for holding set of port info

    62 };

    63 

    64 

    65 class CSerialPort

    66 {

    67 public:

    68 	CSerialPort();

    69 	virtual ~CSerialPort();

    70 

    71 	TBool Open(CSerialServer & aServer, TUint aPort);

    72 	TBool Close(void);

    73 

    74 	TBool Read(TRequestStatus & aStatus, 

    75 			   TTimeIntervalMicroSeconds32 aTimeout,

    76 			   TDes8 &aDes,

    77 			   TInt aLength);

    78 

    79 	TBool Write(TRequestStatus & aStatus,

    80 						 TTimeIntervalMicroSeconds32 aTimeout,

    81 						 const TDesC8 &aDes,

    82 						 TInt aLength);

    83 

    84 	TInt SetConfig(const TCommConfig & aRequiredConfig);

    85 

    86 	TBool GetPortConfig(TCommConfig & aPortSettings);

    87 	

    88 	TBool ReadCancel(void);

    89 

    90 	TBool WriteCancel(void);

    91 	

    92 	TBool SetReceiveBufferLength(TInt aSize);

    93 	

    94 	TBool ReceiveBufferLength(TInt & aSize);

    95 	

    96 	public:

    97 

    98 	//functions

    99 	RSerialPort * GivePortDetails(void);

   100 	

   101 	// Member variables	

   102 	CSerialServer * m_pOurServer;

   103 	

   104 	TUint m_portId;

   105 	

   106 };

   107 

   108 #endif