Version 0.1.1 from FTP

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@136 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/Makefile

@@ -3,7 +3,7 @@
 # 
 # Makefile for Channel backends (dynamically loaded)
 #
-# Copyright (C) 1999, Adtran Inc. and Linux Support Services, LLC
+# Copyright (C) 1999, Mark Spencer
 #
 # Mark Spencer <markster@linux-support.net>
 #
@@ -11,7 +11,7 @@
 # the GNU General Public License
 #
 
-CHANNEL_LIBS=chan_vofr.so chan_ixj.so
+CHANNEL_LIBS=chan_vofr.so chan_ixj.so chan_modem.so chan_modem_aopen.so
 
 CFLAGS+=#-DVOFRDUMPER
 

configs/modem.conf.sample

@@ -0,0 +1,42 @@
+;
+; Internet Phone Jack
+;
+; Configuration file
+;
+[interfaces]
+;
+; By default, incoming calls should come in on the "remote" context
+;
+context=remote
+;
+; Modem Drivers to load
+;
+driver=aopen
+;
+; We can optionally override the auto detection.  This is necessary
+; particularly if asterisk does not know about our kind of modem.
+;
+;type=autodetect
+;type=aopen
+;
+; We can strip a given number of digits on outgoing dialing, so, for example
+; you can have it dial "8871042" when given "98871042".
+;
+stripmsd=1
+;
+; Type of dialing
+;
+;dialtype=tone
+dialtype=pulse
+;
+; Mode selection.  "Immediate" means that as soon as you dial, you're connected
+; and the line is considered up.  "Ring" means we wait until the ring cadence
+; occurs at least once.  "Answer" means we wait until the other end picks up. 
+;
+;mode=answer
+;mode=ring
+mode=immediate
+;
+; List all devices we can use.
+;
+device=/dev/ttyS3

include/asterisk/vmodem.h

@@ -0,0 +1,108 @@
+/*
+ * 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