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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@136 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
1999-12-14 23:40:27 +00:00
parent a34c3d3484
commit c0dfa24553
3 changed files with 152 additions and 2 deletions
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108
include/asterisk/vmodem.h Executable file
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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Voice Modem Definitions
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#ifndef _ASTERISK_VMODEM_H
#define _ASTERISK_VMODEM_H
#include <asterisk/frame.h>
#include <asterisk/channel.h>
#define CHAR_DLE 0x10
#define CHAR_ETX 0x03
#define MODEM_DEV_TELCO 0
#define MODEM_DEV_TELCO_SPK 4
#define MODEM_DEV_SPKRPHONE 6
#define MODEM_DEV_HANDSET 9
/* Thirty millisecond sections */
#define MODEM_MAX_LEN 30
#define MODEM_MAX_BUF MODEM_MAX_LEN * 16
#define AST_MAX_INIT_STR 256
struct ast_modem_pvt;
struct ast_modem_driver {
char *name;
char **idents;
int formats;
int fullduplex;
void (*incusecnt)();
void (*decusecnt)();
char * (*identify)(struct ast_modem_pvt *);
int (*init)(struct ast_modem_pvt *);
int (*setdev)(struct ast_modem_pvt *, int dev);
struct ast_frame * (*read)(struct ast_modem_pvt *);
int (*write)(struct ast_modem_pvt *, struct ast_frame *fr);
int (*dial)(struct ast_modem_pvt *, char *);
int (*answer)(struct ast_modem_pvt *);
int (*hangup)(struct ast_modem_pvt *);
int (*startrec)(struct ast_modem_pvt *);
int (*stoprec)(struct ast_modem_pvt *);
int (*startpb)(struct ast_modem_pvt *);
int (*stoppb)(struct ast_modem_pvt *);
int (*setsilence)(struct ast_modem_pvt *, int onoff);
int (*dialdigit)(struct ast_modem_pvt *, char digit);
struct ast_modem_driver *next;
};
#define MODEM_MODE_IMMEDIATE 0
#define MODEM_MODE_WAIT_RING 1
#define MODEM_MODE_WAIT_ANSWER 2
struct ast_modem_pvt {
int fd; /* Raw file descriptor for this device */
FILE *f; /* FILE * representation of device */
struct ast_channel *owner; /* Channel we belong to, possibly NULL */
char dev[256]; /* Device name */
struct ast_frame fr; /* Frame */
char offset[AST_FRIENDLY_OFFSET];
char obuf[MODEM_MAX_BUF]; /* Outgoing buffer */
int tail;
char dialtype; /* Pulse or tone dialling */
char dialtimeout; /* Time to wait for dial timeout */
int obuflen;
int mode; /* Immediate, or wait for an answer */
int ministate; /* State of modem in miniature */
int stripmsd; /* Digits to strip on outgoing numbers */
char context[AST_MAX_EXTENSION];
char cid[AST_MAX_EXTENSION]; /* Caller ID if available */
char initstr[AST_MAX_INIT_STR]; /* Modem initialization String */
char response[256]; /* Static response buffer */
struct ast_modem_driver *mc; /* Modem Capability */
struct ast_modem_pvt *next; /* Next channel in list */
};
/* Register a driver */
extern int ast_register_modem_driver(struct ast_modem_driver *mc);
/* Unregister a driver */
extern int ast_unregister_modem_driver(struct ast_modem_driver *mc);
/* Send the command cmd (length len, or 0 if pure ascii) on modem */
extern int ast_modem_send(struct ast_modem_pvt *p, char *cmd, int len);
/* Wait for result to occur. Return non-zero if times out or error, last
response is stored in p->response */
extern int ast_modem_expect(struct ast_modem_pvt *p, char *result, int timeout);
/* Wait for result to occur. response is stored in p->response */
extern int ast_modem_read_response(struct ast_modem_pvt *p, int timeout);
/* Used by modem drivers to start up the PBX on a RING */
extern struct ast_channel *ast_modem_new(struct ast_modem_pvt *i, int state);
/* Trim off trailing mess */
extern void ast_modem_trim(char *s);
#endif