/*

  $Id$

  G N O K I I

  A Linux/Unix toolset and driver for Nokia mobile phones.

  Copyright (C) 1999, 2000 Hugh Blemings & Pavel Janík ml.

  Released under the terms of the GNU GPL, see file COPYING for more details.
	
  Header file for AT emulator code.

  $Log$
  Revision 1.1.1.1  2001/11/25 21:59:21  short
  :pserver:cvs@pserver.samba.org:/cvsroot - gnokii - Sun Nov 25 22:56 CET 2001

  Revision 1.2  2001/07/03 15:27:24  pkot
  AT commands for SMS handling support (Tamas Bondar)
  Small at-emulator code cleanup (me)

  Revision 1.1  2001/02/21 19:57:11  chris
  More fiddling with the directory layout


*/

#ifndef __data_at_emulator_h
#define __data_at_emulator_h

	/* Prototypes */
bool	ATEM_Initialise(int read_fd, int write_fd, char *model, char *port);
void	ATEM_HandleIncomingData(char *buffer, int length);
void	ATEM_InitRegisters(void);
void	ATEM_StringOut(char *buffer);
void	ATEM_ParseAT(char *cmd_buffer);
void	ATEM_ParseSMS(char *cmd_buffer);
void	ATEM_ParseDIR(char *cmd_buffer);
bool	ATEM_CommandPlusC(char **buf);
bool	ATEM_CommandPlusG(char **buf);
int		ATEM_GetNum(char **p);
void	ATEM_ModemResult(int code);
void    ATEM_CallPassup(char c);

	/* Global variables */
bool	ATEM_Initialised;

	/* Definition of modem result codes - these are returned to "terminal"
       numerically or as a string depending on the setting of S12 */

	/* FIX ME - Numeric values for everything except OK and ERROR 
	   are guesses as I've not got an AT reference handy.   HAB */

#define 	MR_OK			(0)
#define		MR_ERROR		(4)
#define		MR_NOCARRIER	(5)
#define		MR_CARRIER		(2)
#define		MR_CONNECT		(3)
#define         MR_RING                 (6)

	/* All defines and prototypes from here down are specific to 
	   the at-emulator code and so are #ifdef out if __at_emulator_c isn't 
	   defined. */
#ifdef	__data_at_emulator_c


#define	MAX_CMD_BUFFERS	(2)
#define	CMD_BUFFER_LENGTH (100)

	/* Definition of some special Registers of AT-Emulator, pinched in
	   part from ISDN driver in Linux kernel */
#define REG_RINGATA   0
#define REG_RINGCNT   1
#define REG_ESC       2
#define REG_CR        3
#define REG_LF        4
#define REG_BS        5
#define S35           6

#define REG_RESP     12
#define BIT_RESP      1
#define REG_RESPNUM  12
#define BIT_RESPNUM   2
#define REG_ECHO     12
#define BIT_ECHO      4
#define REG_DCD      12
#define BIT_DCD       8
#define REG_CTS      12
#define BIT_CTS      16
#define REG_DTRR     12
#define BIT_DTRR     32
#define REG_DSR      12
#define BIT_DSR      64
#define REG_CPPP     12
#define BIT_CPPP    128


#define	MAX_MODEM_REGISTERS	20

/* Message format definitions */
#define PDU_MODE      0
#define TEXT_MODE     1
#define INTERACT_MODE 2

#endif	/* __data_at_emulator_c */

#endif	/* __data_at_emulator_h */