diff options
author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-01-04 23:33:59 +0000 |
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committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-01-04 23:33:59 +0000 |
commit | 64b7b1e1613e33c852277b04fc20cb7b7bace59e (patch) | |
tree | 0a84c2b5be2406fc5bdc8808c6517345c781c942 /channels/chan_modem_bestdata.c | |
parent | f903e4b53c695b11747dbc844f3664e54bab86c2 (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_bestdata.c')
-rw-r--r-- | channels/chan_modem_bestdata.c | 615 |
1 files changed, 0 insertions, 615 deletions
diff --git a/channels/chan_modem_bestdata.c b/channels/chan_modem_bestdata.c deleted file mode 100644 index a643635f1..000000000 --- a/channels/chan_modem_bestdata.c +++ /dev/null @@ -1,615 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999, Mark Spencer and 2001 Jim Dixon - * - * Mark Spencer <markster@linux-support.net> - * Jim Dixon <jim@lambdatel.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 BestData 56SX-92 Voice Modem Driver (Conexant) - * - * \author Mark Spencer <markster@digium.com> - * \author Jim Dixon <jim@lambdatel.com> - * - * \ingroup channel_drivers - */ - -#include <stdio.h> - -#include <string.h> -#include <stdlib.h> -#include <errno.h> -#include <unistd.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 STATE_VOICEPLAY 2 - -#define VRA "40" /* Number of 100ms of non-ring after a ring cadence after which we consider the lien to be answered */ -#define VRN "25" /* Number of 100ms of non-ring with no cadence after which we assume an answer */ - -#define RINGT 7000 - -static char *breakcmd = "\020!"; - -static char *desc = "BestData (Conexant V.90 Chipset) VoiceModem Driver"; - -static int usecnt; -AST_MUTEX_DEFINE_STATIC(usecnt_lock); - -static char *bestdata_idents[] = { - /* Identify BestData Modem */ - "ACF3_V1.010-V90_P21_FSH", - NULL -}; - -static int bestdata_break(struct ast_modem_pvt *p); - -static int bestdata_startrec(struct ast_modem_pvt *p) -{ - if (p->ministate != STATE_COMMAND) bestdata_break(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 bestdata_startplay(struct ast_modem_pvt *p) -{ - if (p->ministate != STATE_COMMAND) bestdata_break(p); - if (ast_modem_send(p, "AT+VTX", 0) || - ast_modem_expect(p, "CONNECT", 5)) { - ast_log(LOG_WARNING, "Unable to start recording\n"); - return -1; - } - p->ministate = STATE_VOICEPLAY; - return 0; -} - -static int bestdata_break(struct ast_modem_pvt *p) -{ - if (ast_modem_send(p, breakcmd, 2)) { - ast_log(LOG_WARNING, "Failed to break\n"); - return -1; - } - p->ministate = STATE_COMMAND; - usleep(10000); - /* 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 bestdata_init(struct ast_modem_pvt *p) -{ - if (option_debug) - ast_log(LOG_DEBUG, "bestdata_init()\n"); - if (bestdata_break(p)) - return -1; - /* Force into command mode */ - p->ministate = STATE_COMMAND; - if (ast_modem_send(p, "AT+FCLASS=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+VSM=1,8000,0,0", 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=63", 0) || - ast_modem_expect(p, "OK", 5)) { - ast_log(LOG_WARNING, "Unable to set to tone detection\n"); - return -1; - } - if (ast_modem_send(p, "AT+VCID=1", 0) || - ast_modem_expect(p, "OK", 5)) { - ast_log(LOG_WARNING, "Unable to enable Caller*ID\n"); - return -1; - } - return 0; -} - -static struct ast_frame *bestdata_handle_escape(struct ast_modem_pvt *p, char esc) -{ - char name[30]="",nmbr[30]=""; - time_t now; - - /* 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 */ - time(&now); - if (now > (p->lastring + (RINGT / 1000))) - { /* if stale, treat as new */ - p->gotclid = 0; - } - if (p->gotclid) - { - p->fr.frametype = AST_FRAME_CONTROL; - p->fr.subclass = AST_CONTROL_RING; - } - p->ringt = RINGT; - time(&p->lastring); - return &p->fr; - case 'X': /* Caller-ID Spill */ - if (p->gotclid) return &p->fr; - name[0] = nmbr[0] = 0; - for(;;) - { - char res[1000]=""; - - if (ast_modem_read_response(p, 5)) break; - strncpy(res, p->response, sizeof(res)-1); - ast_modem_trim(res); - if (!strncmp(res,"\020.",2)) break; - if (!strncmp(res,"NAME",4)) strncpy(name,res + 7, sizeof(name) - 1); - if (!strncmp(res,"NMBR",4)) strncpy(nmbr,res + 7, sizeof(nmbr) - 1); - } - p->gotclid = 1; - if ((!strcmp(name,"O")) || (!strcmp(name,"P"))) name[0] = 0; - if ((!strcmp(nmbr,"O")) || (!strcmp(nmbr,"P"))) nmbr[0] = 0; - if (name[0]) - strncpy(p->cid_name, name, sizeof(p->cid_name) - 1); - if (nmbr[0]) - strncpy(p->cid_num, nmbr, sizeof(p->cid_num) - 1); - if (p->owner) { - p->owner->cid.cid_num = strdup(p->cid_num); - p->owner->cid.cid_name = strdup(p->cid_name); - } - return &p->fr; - case '@': /* response from "OK" in command mode */ - if (p->owner) - ast_setstate(p->owner, AST_STATE_UP); - if (bestdata_startrec(p)) return NULL; - p->fr.frametype = AST_FRAME_CONTROL; - p->fr.subclass = AST_CONTROL_RING; - 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 '0': /* All the DTMF characters */ - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - case '*': - case '#': - case 'A': - case 'B': - case 'C': - case 'D': - p->dtmfrx = esc; /* save this for when its done */ - return &p->fr; - case '/': /* Start of DTMF tone shielding */ - p->dtmfrx = ' '; - return &p->fr; - case '~': /* DTMF transition to off */ - if (p->dtmfrx > ' ') - { - p->fr.frametype = AST_FRAME_DTMF; - p->fr.subclass = p->dtmfrx; - } - p->dtmfrx = 0; - 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 *bestdata_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 bestdata_handle_escape(p, result[1]); - } else { - if (p->ringt) /* if ring timeout specified */ - { - x = fileno(p->f); - res = ast_waitfor_n_fd(&x, 1, &p->ringt, NULL); - if (res < 0) { - return NULL; - } - } - if ((result[0] == '\n') || (result[0] == '\r')) - return bestdata_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, "OK")) { - /* If we're in immediate mode, reply now */ - if (p->mode == MODEM_MODE_IMMEDIATE) - return bestdata_handle_escape(p, '@'); - } else - if (!strcasecmp(result, "BUSY")) { - /* Same as a busy signal */ - return bestdata_handle_escape(p, 'b'); - } else - if (!strcasecmp(result, "RING")) { - return bestdata_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 bestdata_handle_escape(p, 0); - } - } else { - /* if playing, start recording instead */ - if (p->ministate == STATE_VOICEPLAY) - { - if (bestdata_startrec(p)) return NULL; - } - /* 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 bestdata_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"); - /* if not a DLE in the data */ - if (result[++x] != CHAR_DLE) - { - /* If bestdata_handle_escape says NULL, say it now, doesn't matter - what else is there, the connection is dead. */ - f = bestdata_handle_escape(p, result[x]); - if (p->dtmfrx) continue; - return(f); - } - } - /* 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, "bestdata_read(voice frame)\n"); - p->obuflen = 0; - return &p->fr; - } - return NULL; -} - -static int bestdata_write(struct ast_modem_pvt *p, struct ast_frame *f) -{ -unsigned char c,buf[32768]; /* I hope we dont have frames larger then 16K */ -int i,j; -short *sp; -unsigned long u; -#define DLE 16 - - if (p->owner && (p->owner->_state == AST_STATE_UP) && - (p->ministate != STATE_VOICEPLAY) && bestdata_startplay(p)) return -1; - sp = (short *) f->data; - /* stick DLE's in ahead of anything else */ - for(i = 0,j = 0; i < f->datalen / 2; i++) - { - *sp *= 3; - u = *sp++ + 32768; - c = u >> 8; - if (c == DLE) buf[j++] = DLE; - buf[j++] = c; - } - do i = fwrite(buf,1,j,p->f); - while ((i == -1) && (errno == EWOULDBLOCK)); - if (i != j) - { - ast_log(LOG_WARNING,"modem short write!!\n"); - return -1; - } - fflush(p->f); - if (option_debug) - ast_log(LOG_DEBUG, "bestdata_write()\n"); - return 0; -} - -static char *bestdata_identify(struct ast_modem_pvt *p) -{ - char identity[256]; - char mfr[80]; - char mdl[80]; - char rev[80]; - ast_modem_send(p, "AT+FMM", 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+FMI", 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+FMR", 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 bestdata_incusecnt(void) -{ - ast_mutex_lock(&usecnt_lock); - usecnt++; - ast_mutex_unlock(&usecnt_lock); - ast_update_use_count(); -} - -static void bestdata_decusecnt(void) -{ - ast_mutex_lock(&usecnt_lock); - usecnt++; - ast_mutex_unlock(&usecnt_lock); - ast_update_use_count(); -} - -static int bestdata_answer(struct ast_modem_pvt *p) -{ - p->ringt = 0; - p->lastring = 0; - if (ast_modem_send(p, "AT+VLS=1", 0) || - ast_modem_expect(p, "OK", 10)) { - ast_log(LOG_WARNING, "Unable to answer: %s", p->response); - return -1; - } - return 0; -} - -static int bestdata_dialdigit(struct ast_modem_pvt *p, char digit) -{ - char cmd[80]; - - if (p->ministate != STATE_COMMAND) bestdata_break(p); - snprintf(cmd, sizeof(cmd), "AT+VTS=%c", digit); - if (ast_modem_send(p, cmd, 0) || - ast_modem_expect(p, "OK", 10)) { - ast_log(LOG_WARNING, "Unable to answer: %s", p->response); - return -1; - } - return 0; -} - -static int bestdata_dial(struct ast_modem_pvt *p, char *stuff) -{ - char cmd[800] = "",a[20]=""; - int i,j; - - if (p->ministate != STATE_COMMAND) - { - bestdata_break(p); - strncpy(cmd, "AT+VTS=", sizeof(cmd) - 1); - j = strlen(cmd); - for(i = 0; stuff[i]; i++) - { - switch(stuff[i]) - { - case '!' : - a[0] = stuff[i]; - a[1] = 0; - break; - case ',': - strncpy(a, "[,,100]", sizeof(a) - 1); - break; - default: - snprintf(a, sizeof(a), "{%c,7}", stuff[i]); - } - if (stuff[i + 1]) strncat(a, ",", sizeof(a) - strlen(a) - 1); - strncpy(cmd + j, a, sizeof(cmd) - j - 1); - j += strlen(a); - } - } - else - { - 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 bestdata_hangup(struct ast_modem_pvt *p) -{ - if (bestdata_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+FCLASS=8", 0) || - ast_modem_expect(p, "OK", 5)) { - ast_log(LOG_WARNING, "Unable to set to voice mode\n"); - return -1; - } - p->gotclid = 0; - p->ringt = 0; - p->lastring = 0; - p->dtmfrx = 0; - return 0; -} - -static struct ast_modem_driver bestdata_driver = -{ - "BestData", - bestdata_idents, - AST_FORMAT_SLINEAR, - 0, /* Not full duplex */ - bestdata_incusecnt, /* incusecnt */ - bestdata_decusecnt, /* decusecnt */ - bestdata_identify, /* identify */ - bestdata_init, /* init */ - NULL, /* setdev */ - bestdata_read, - bestdata_write, - bestdata_dial, /* dial */ - bestdata_answer, /* answer */ - bestdata_hangup, /* hangup */ - bestdata_startrec, /* start record */ - NULL, /* stop record */ - bestdata_startplay, /* start playback */ - NULL, /* stop playback */ - NULL, /* set silence supression */ - bestdata_dialdigit, /* dialdigit */ -}; - - - -int usecount(void) -{ - return usecnt; -} - -int load_module(void) -{ - return ast_register_modem_driver(&bestdata_driver); -} - -int unload_module(void) -{ - return ast_unregister_modem_driver(&bestdata_driver); -} - -char *description() -{ - return desc; -} - -char *key() -{ - return ASTERISK_GPL_KEY; -} |