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 * Serial Transport

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef __SERIAL_H__

    22 #define __SERIAL_H__

    23 

    24 /********************************************************************************

    25  *

    26  * System Includes

    27  *

    28  *******************************************************************************/

    29 #include <c32comm.h>

    30 #include <f32file.h>

    31 

    32 #include "MUCCTransport.h"

    33 

    34 /********************************************************************************

    35  *

    36  * Definitions

    37  *

    38  *******************************************************************************/

    39 #define KMaxPacketSize								64

    40 #define KModuleSize									8

    41 #define KReadTimeout								30000000

    42 

    43 const char  OPT_DELIMITER	= '|';

    44 

    45 #ifndef _TCOMMSTATUS

    46 #define _TCOMMSTATUS

    47 enum TCommStatus { 

    48 	EIdle, 

    49 	EInitialising, 

    50 	EInitialised, 

    51 	EConnecting, 

    52 	EConnected,

    53 	EDisconnecting, 

    54 	EDisconnected, 

    55 	EReleasing, 

    56 	ESendPending,

    57 	EReceivePending,

    58 	ELast

    59 };

    60 #endif

    61 

    62 /********************************************************************************

    63  *

    64  * Class

    65  *

    66  *******************************************************************************/

    67 class CSerialTransport : public MUCCTransport

    68 {

    69 public:

    70 	CSerialTransport();

    71 	static CSerialTransport* NewL( TPtrC16 aModule );

    72 	virtual ~CSerialTransport();

    73 

    74 	TInt InitialiseL();

    75 	TInt ConnectL( TDesC *aRemoteHost );

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

    77 	TInt RequestReceive( TPtr8 *aRecvBufferPtr, TUint aByteCount );

    78 	TInt Disconnect( void );

    79 	TInt Release( void );

    80 	TText8 *Error( void );

    81 

    82 private:

    83 	void ConstructL( TPtrC16 aModule );

    84 	void SetStatus( TCommStatus aNewStatus );

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

    86 

    87 private:

    88 	enum TReadWriteStatus { ENoRW, EWritePending, EReadPending };

    89 

    90 private:

    91 	TCommStatus iSerialStatus;

    92 	TBuf16<KModuleSize> iModule;

    93 	TInt iRetries;

    94 

    95 	RCommServ iCommServer;

    96 	RComm iCommPort;

    97 	TCommConfig iPortSettings, iOldPortSettings;

    98 

    99 	TInt iCommPortOpen, iCommOldSettingsValid;

   100 	TRequestStatus iStatus;	 

   101 };

   102 

   103 #endif