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authorkpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b>2006-01-04 23:33:59 +0000
committerkpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b>2006-01-04 23:33:59 +0000
commit64b7b1e1613e33c852277b04fc20cb7b7bace59e (patch)
tree0a84c2b5be2406fc5bdc8808c6517345c781c942 /channels/chan_modem_aopen.c
parentf903e4b53c695b11747dbc844f3664e54bab86c2 (diff)
remove deprecated chan_modem drivers
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@7802 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'channels/chan_modem_aopen.c')
-rw-r--r--channels/chan_modem_aopen.c502
1 files changed, 0 insertions, 502 deletions
diff --git a/channels/chan_modem_aopen.c b/channels/chan_modem_aopen.c
deleted file mode 100644
index f49fe6568..000000000
--- a/channels/chan_modem_aopen.c
+++ /dev/null
@@ -1,502 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2005, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*
- * \brief A/Open ITU-56/2 Voice Modem Driver (Rockwell, IS-101, and others)
- *
- * \author Mark Spencer <markster@digium.com>
- *
- * \ingroup channel_drivers
- */
-
-#include <stdio.h>
-
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/lock.h"
-#include "asterisk/vmodem.h"
-#include "asterisk/module.h"
-#include "asterisk/frame.h"
-#include "asterisk/logger.h"
-#include "asterisk/options.h"
-
-#define STATE_COMMAND 0
-#define STATE_VOICE 1
-
-#define VRA "40" /* Number of 100ms of non-ring after a ring cadence after which we consider the lien to be answered */
-#define VRN "100" /* Number of 100ms of non-ring with no cadence after which we assume an answer */
-
-static char *breakcmd = "\0x10\0x03";
-
-static char *desc = "A/Open (Rockwell Chipset) ITU-2 VoiceModem Driver";
-
-static int usecnt;
-AST_MUTEX_DEFINE_STATIC(usecnt_lock);
-
-static char *aopen_idents[] = {
- /* Identify A/Open Modem */
- "V2.210-V90_2M_DLP",
- NULL
-};
-
-static int aopen_setdev(struct ast_modem_pvt *p, int dev)
-{
- char cmd[80];
- if (ast_modem_send(p, "AT#VLS?", 0)) {
- ast_log(LOG_WARNING, "Unable to select current mode %d\n", dev);
- return -1;
- }
- if (ast_modem_read_response(p, 5)) {
- ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
- return -1;
- }
- ast_modem_trim(p->response);
- strncpy(cmd, p->response, sizeof(cmd)-1);
- if (ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Modem did not respond properly\n");
- return -1;
- }
- if (dev == atoi(cmd)) {
- /* We're already in the right mode, don't bother changing for fear of
- hanging up */
- return 0;
- }
- snprintf(cmd, sizeof(cmd), "AT#VLS=%d", dev);
- if (ast_modem_send(p, cmd, 0)) {
- ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
- return -1;
- }
- if (ast_modem_read_response(p, 5)) {
- ast_log(LOG_WARNING, "Unable to select device %d\n", dev);
- return -1;
- }
- ast_modem_trim(p->response);
- if (strcasecmp(p->response, "VCON") && strcasecmp(p->response, "OK")) {
- ast_log(LOG_WARNING, "Unexpected reply: %s\n", p->response);
- return -1;
- }
- return 0;
-}
-
-static int aopen_startrec(struct ast_modem_pvt *p)
-{
- if (ast_modem_send(p, "AT#VRX", 0) ||
- ast_modem_expect(p, "CONNECT", 5)) {
- ast_log(LOG_WARNING, "Unable to start recording\n");
- return -1;
- }
- p->ministate = STATE_VOICE;
- return 0;
-}
-
-static int aopen_break(struct ast_modem_pvt *p)
-{
- if (ast_modem_send(p, "\r\n", 2)) {
- ast_log(LOG_WARNING, "Failed to send enter?\n");
- return -1;
- }
- if (ast_modem_send(p, breakcmd, 2)) {
- ast_log(LOG_WARNING, "Failed to break\n");
- return -1;
- }
- if (ast_modem_send(p, "\r\n", 2)) {
- ast_log(LOG_WARNING, "Failed to send enter?\n");
- return -1;
- }
- /* Read any outstanding junk */
- while(!ast_modem_read_response(p, 1));
- if (ast_modem_send(p, "AT", 0)) {
- /* Modem might be stuck in some weird mode, try to get it out */
- ast_modem_send(p, "+++", 3);
- if (ast_modem_expect(p, "OK", 10)) {
- ast_log(LOG_WARNING, "Modem is not responding\n");
- return -1;
- }
- if (ast_modem_send(p, "AT", 0)) {
- ast_log(LOG_WARNING, "Modem is not responding\n");
- return -1;
- }
- }
- if (ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Modem did not respond properly\n");
- return -1;
- }
- return 0;
-}
-
-static int aopen_init(struct ast_modem_pvt *p)
-{
- if (option_debug)
- ast_log(LOG_DEBUG, "aopen_init()\n");
- if (aopen_break(p))
- return -1;
- /* Force into command mode */
- p->ministate = STATE_COMMAND;
- if (ast_modem_send(p, "AT#BDR=0", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to auto-baud\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#CLS=8", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to voice mode\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#VBS=8", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to 8-bit mode\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#VSR=8000", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to 8000 Hz sampling\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#VLS=0", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to telco interface\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#VRA=" VRA, 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to 'ringback goes away' timer\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#VRN=" VRN, 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to 'ringback never came timer'\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#VTD=3F,3F,3F", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to tone detection\n");
- return -1;
- }
-
- return 0;
-}
-
-static struct ast_frame *aopen_handle_escape(struct ast_modem_pvt *p, char esc)
-{
- /* Handle escaped characters -- but sometimes we call it directly as
- a quick way to cause known responses */
- p->fr.frametype = AST_FRAME_NULL;
- p->fr.subclass = 0;
- p->fr.data = NULL;
- p->fr.datalen = 0;
- p->fr.samples = 0;
- p->fr.offset = 0;
- p->fr.mallocd = 0;
- p->fr.delivery.tv_sec = 0;
- p->fr.delivery.tv_usec = 0;
- if (esc)
- ast_log(LOG_DEBUG, "Escaped character '%c'\n", esc);
-
- switch(esc) {
- case 'R': /* Pseudo ring */
- p->fr.frametype = AST_FRAME_CONTROL;
- p->fr.subclass = AST_CONTROL_RING;
- return &p->fr;
- case 'X': /* Pseudo connect */
- p->fr.frametype = AST_FRAME_CONTROL;
- p->fr.subclass = AST_CONTROL_RING;
- if (p->owner)
- ast_setstate(p->owner, AST_STATE_UP);
- if (aopen_startrec(p))
- return NULL;
- return &p->fr;
- case 'b': /* Busy signal */
- p->fr.frametype = AST_FRAME_CONTROL;
- p->fr.subclass = AST_CONTROL_BUSY;
- return &p->fr;
- case 'o': /* Overrun */
- ast_log(LOG_WARNING, "Overflow on modem, flushing buffers\n");
- if (ast_modem_send(p, "\0x10E", 2))
- ast_log(LOG_WARNING, "Unable to flush buffers\n");
- return &p->fr;
- case 'u': /* Underrun */
- ast_log(LOG_WARNING, "Data underrun\n");
- /* Fall Through */
- case CHAR_ETX: /* End Transmission */
- case 'd': /* Dialtone */
- case 'c': /* Calling Tone */
- case 'e': /* European version */
- case 'a': /* Answer Tone */
- case 'f': /* Bell Answer Tone */
- case 'T': /* Timing mark */
- case 't': /* Handset off hook */
- case 'h': /* Handset hungup */
- case 0: /* Pseudo signal */
- /* Ignore */
- return &p->fr;
- default:
- ast_log(LOG_DEBUG, "Unknown Escaped character '%c' (%d)\n", esc, esc);
- }
- return &p->fr;
-}
-
-static struct ast_frame *aopen_read(struct ast_modem_pvt *p)
-{
- char result[256];
- short *b;
- struct ast_frame *f=NULL;
- int res;
- int x;
- if (p->ministate == STATE_COMMAND) {
- /* Read the first two bytes, first, in case it's a control message */
- fread(result, 1, 2, p->f);
- if (result[0] == CHAR_DLE) {
- return aopen_handle_escape(p, result[1]);
-
- } else {
- if ((result[0] == '\n') || (result[0] == '\r'))
- return aopen_handle_escape(p, 0);
- /* Read the rest of the line */
- fgets(result + 2, sizeof(result) - 2, p->f);
- ast_modem_trim(result);
- if (!strcasecmp(result, "VCON")) {
- /* If we're in immediate mode, reply now */
- if (p->mode == MODEM_MODE_IMMEDIATE)
- return aopen_handle_escape(p, 'X');
- } else
- if (!strcasecmp(result, "BUSY")) {
- /* Same as a busy signal */
- return aopen_handle_escape(p, 'b');
- } else
- if (!strcasecmp(result, "RING")) {
- return aopen_handle_escape(p, 'R');
- } else
- if (!strcasecmp(result, "NO DIALTONE")) {
- /* There's no dialtone, so the line isn't working */
- ast_log(LOG_WARNING, "Device '%s' lacking dialtone\n", p->dev);
- return NULL;
- }
- ast_log(LOG_DEBUG, "Modem said '%s'\n", result);
- return aopen_handle_escape(p, 0);
- }
- } else {
- /* We have to be more efficient in voice mode */
- b = (short *)(p->obuf + p->obuflen);
- while (p->obuflen/2 < 240) {
- /* Read ahead the full amount */
- res = fread(result, 1, 240 - p->obuflen/2, p->f);
- if (res < 1) {
- /* If there's nothing there, just continue on */
- if (errno == EAGAIN)
- return aopen_handle_escape(p, 0);
- ast_log(LOG_WARNING, "Read failed: %s\n", strerror(errno));
- }
- for (x=0;x<res;x++) {
- /* Process all the bytes that we've read */
- if (result[x] == CHAR_DLE) {
- /* We assume there is no more than one signal frame among our
- data. */
- if (f)
- ast_log(LOG_WARNING, "Warning: Dropped a signal frame\n");
- f = aopen_handle_escape(p, result[x+1]);
- /* If aopen_handle_escape says NULL, say it now, doesn't matter
- what else is there, the connection is dead. */
- if (!f)
- return NULL;
- } else {
- /* Generate a 16-bit signed linear value from our
- unsigned 8-bit value */
- *(b++) = (((short)result[x]) - 127) * 0xff;
- p->obuflen += 2;
- }
- }
- if (f)
- break;
- }
- /* If we have a control frame, return it now */
- if (f)
- return f;
- /* If we get here, we have a complete voice frame */
- p->fr.frametype = AST_FRAME_VOICE;
- p->fr.subclass = AST_FORMAT_SLINEAR;
- p->fr.samples = 240;
- p->fr.data = p->obuf;
- p->fr.datalen = p->obuflen;
- p->fr.mallocd = 0;
- p->fr.delivery.tv_sec = 0;
- p->fr.delivery.tv_usec = 0;
- p->fr.offset = AST_FRIENDLY_OFFSET;
- p->fr.src = __FUNCTION__;
- if (option_debug)
- ast_log(LOG_DEBUG, "aopen_read(voice frame)\n");
- p->obuflen = 0;
- return &p->fr;
- }
- return NULL;
-}
-
-static int aopen_write(struct ast_modem_pvt *p, struct ast_frame *f)
-{
- if (option_debug)
- ast_log(LOG_DEBUG, "aopen_write()\n");
- return 0;
-}
-
-static char *aopen_identify(struct ast_modem_pvt *p)
-{
- char identity[256];
- char mfr[80];
- char mdl[80];
- char rev[80];
- ast_modem_send(p, "AT#MDL?", 0);
- ast_modem_read_response(p, 5);
- strncpy(mdl, p->response, sizeof(mdl)-1);
- ast_modem_trim(mdl);
- ast_modem_expect(p, "OK", 5);
- ast_modem_send(p, "AT#MFR?", 0);
- ast_modem_read_response(p, 5);
- strncpy(mfr, p->response, sizeof(mfr)-1);
- ast_modem_trim(mfr);
- ast_modem_expect(p, "OK", 5);
- ast_modem_send(p, "AT#REV?", 0);
- ast_modem_read_response(p, 5);
- strncpy(rev, p->response, sizeof(rev)-1);
- ast_modem_trim(rev);
- ast_modem_expect(p, "OK", 5);
- snprintf(identity, sizeof(identity), "%s Model %s Revision %s", mfr, mdl, rev);
- return strdup(identity);
-}
-
-static void aopen_incusecnt(void)
-{
- ast_mutex_lock(&usecnt_lock);
- usecnt++;
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
-}
-
-static void aopen_decusecnt(void)
-{
- ast_mutex_lock(&usecnt_lock);
- usecnt++;
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
-}
-
-static int aopen_answer(struct ast_modem_pvt *p)
-{
- if (ast_modem_send(p, "ATA", 0) ||
- ast_modem_expect(p, "VCON", 10)) {
- ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
- return -1;
- }
- return 0;
-}
-
-static int aopen_dialdigit(struct ast_modem_pvt *p, char digit)
-{
- char cmd[80];
- snprintf(cmd, sizeof(cmd), "AT#VTS=%c", digit);
- if (ast_modem_send(p, cmd, 0) ||
- ast_modem_expect(p, "VCON", 10)) {
- ast_log(LOG_WARNING, "Unable to answer: %s", p->response);
- return -1;
- }
- return 0;
-}
-
-static int aopen_dial(struct ast_modem_pvt *p, char *stuff)
-{
- char cmd[80];
- snprintf(cmd, sizeof(cmd), "ATD%c %s", p->dialtype,stuff);
- if (ast_modem_send(p, cmd, 0)) {
- ast_log(LOG_WARNING, "Unable to dial\n");
- return -1;
- }
- return 0;
-}
-
-static int aopen_hangup(struct ast_modem_pvt *p)
-{
- if (aopen_break(p))
- return -1;
- /* Hangup by switching to data, then back to voice */
- if (ast_modem_send(p, "ATH", 0) ||
- ast_modem_expect(p, "OK", 8)) {
- ast_log(LOG_WARNING, "Unable to set to data mode\n");
- return -1;
- }
- if (ast_modem_send(p, "AT#CLS=8", 0) ||
- ast_modem_expect(p, "OK", 5)) {
- ast_log(LOG_WARNING, "Unable to set to voice mode\n");
- return -1;
- }
- return 0;
-}
-
-static struct ast_modem_driver aopen_driver =
-{
- "AOpen",
- aopen_idents,
- AST_FORMAT_SLINEAR,
- 0, /* Not full duplex */
- aopen_incusecnt, /* incusecnt */
- aopen_decusecnt, /* decusecnt */
- aopen_identify, /* identify */
- aopen_init, /* init */
- aopen_setdev, /* setdev */
- aopen_read,
- aopen_write,
- aopen_dial, /* dial */
- aopen_answer, /* answer */
- aopen_hangup, /* hangup */
- aopen_startrec, /* start record */
- NULL, /* stop record */
- NULL, /* start playback */
- NULL, /* stop playback */
- NULL, /* set silence supression */
- aopen_dialdigit, /* dialdigit */
-};
-
-
-
-int usecount(void)
-{
- return usecnt;
-}
-
-int load_module(void)
-{
- return ast_register_modem_driver(&aopen_driver);
-}
-
-int unload_module(void)
-{
- return ast_unregister_modem_driver(&aopen_driver);
-}
-
-char *description()
-{
- return desc;
-}
-
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}