gsm.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS and its licensors.
** All rights reserved.
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
** See below for additional copyright and license information
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
/*
 * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
 * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
 * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
 */

/*$Header: /home/cvsroot/qtopia2/src/3rdparty/libraries/gsm/gsm.h,v 1.1 2002/10/28 00:28:29 rweather Exp $*/

#ifndef	GSM_H
#define	GSM_H

#ifdef __cplusplus
#	define	NeedFunctionPrototypes	1
#endif

#if __STDC__
#	define	NeedFunctionPrototypes	1
#endif

#ifdef _NO_PROTO
#	undef	NeedFunctionPrototypes
#endif

#ifdef NeedFunctionPrototypes
#   include	<stdio.h>		/* for FILE * 	*/
#endif

#undef GSM_P
#if NeedFunctionPrototypes
#	define	GSM_P( protos )	protos
#else
#	define  GSM_P( protos )	( /* protos */ )
#endif

/*
 *	Interface
 */

typedef struct gsm_state * 	gsm;
typedef short		   	gsm_signal;		/* signed 16 bit */
typedef unsigned char		gsm_byte;
typedef gsm_byte 		gsm_frame[33];		/* 33 * 8 bits	 */

#define	GSM_MAGIC		0xD		  	/* 13 kbit/s RPE-LTP */

#define	GSM_PATCHLEVEL		10
#define	GSM_MINOR		0
#define	GSM_MAJOR		1

#define	GSM_OPT_VERBOSE		1
#define	GSM_OPT_FAST		2
#define	GSM_OPT_LTP_CUT		3
#define	GSM_OPT_WAV49		4
#define	GSM_OPT_FRAME_INDEX	5
#define	GSM_OPT_FRAME_CHAIN	6

extern gsm  gsm_create 	GSM_P((void));
extern void gsm_destroy GSM_P((gsm));	

extern int  gsm_option  GSM_P((gsm, int, int *));

extern void gsm_encode  GSM_P((gsm, gsm_signal *, gsm_byte  *));
extern int  gsm_decode  GSM_P((gsm, gsm_byte   *, gsm_signal *));

#undef	GSM_P

#endif	/* GSM_H */