patch-2.3.14 linux/drivers/isdn/isdn_ttyfax.c
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- Lines: 1201
- Date:
Sun Aug 15 11:49:08 1999
- Orig file:
v2.3.13/linux/drivers/isdn/isdn_ttyfax.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.3.13/linux/drivers/isdn/isdn_ttyfax.c linux/drivers/isdn/isdn_ttyfax.c
@@ -0,0 +1,1200 @@
+/* $Id: isdn_ttyfax.c,v 1.2 1999/08/05 10:36:10 armin Exp $
+ * Linux ISDN subsystem, tty_fax AT-command emulator (linklevel).
+ *
+ * Copyright 1999 by Armin Schindler (mac@melware.de)
+ * Copyright 1999 by Ralf Spachmann (mel@melware.de)
+ * Copyright 1999 by Cytronics & Melware
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Log: isdn_ttyfax.c,v $
+ * Revision 1.2 1999/08/05 10:36:10 armin
+ * Bugfix: kernel oops on getting revision.
+ *
+ * Revision 1.1 1999/07/31 12:59:50 armin
+ * Added tty fax capabilities.
+ *
+ *
+ */
+
+#undef ISDN_TTY_FAX_STAT_DEBUG
+#undef ISDN_TTY_FAX_CMD_DEBUG
+
+#define __NO_VERSION__
+#include <linux/module.h>
+#include <linux/isdn.h>
+#include "isdn_common.h"
+#include "isdn_tty.h"
+#include "isdn_ttyfax.h"
+
+
+static char *isdn_tty_fax_revision = "$Revision: 1.2 $";
+
+#define PARSE_ERROR1 { isdn_tty_fax_modem_result(1, info); return 1; }
+
+static char *
+isdn_getrev(const char *revision)
+{
+ char *rev;
+ char *p;
+
+ if ((p = strchr(revision, ':'))) {
+ rev = p + 2;
+ p = strchr(rev, '$');
+ *--p = 0;
+ } else
+ rev = "???";
+ return rev;
+}
+
+
+/*
+ * Fax Class 2 Modem results
+ *
+ */
+static void isdn_tty_fax_modem_result(int code, modem_info * info)
+{
+ atemu *m = &info->emu;
+ T30_s *f = info->fax;
+ char rs[50];
+ char rss[50];
+ char *rp;
+ int i;
+ static char *msg[] =
+ {"OK", "ERROR", "+FCON", "+FCSI:", "+FDIS:",
+ "+FHNG:", "+FDCS:", "CONNECT", "+FTSI:",
+ "+FCFR", "+FPTS:", "+FET:" };
+
+
+ isdn_tty_at_cout("\r\n", info);
+ isdn_tty_at_cout(msg[code], info);
+
+#ifdef ISDN_TTY_FAX_CMD_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax send %s on ttyI%d\n",
+ msg[code], info->line);
+#endif
+ switch (code) {
+ case 0: /* OK */
+ break;
+ case 1: /* ERROR */
+ break;
+ case 2: /* +FCON */
+ /* Append CPN, if enabled */
+ if ((m->mdmreg[REG_CPN] & BIT_CPN) &&
+ (!(dev->usage[info->isdn_channel] & ISDN_USAGE_OUTGOING))) {
+ sprintf(rs, "/%s", m->cpn);
+ isdn_tty_at_cout(rs, info);
+ }
+ info->online = 1;
+ f->fet = 0;
+ if (f->phase == ISDN_FAX_PHASE_A)
+ f->phase = ISDN_FAX_PHASE_B;
+ break;
+ case 3: /* +FCSI */
+ case 8: /* +FTSI */
+ sprintf(rs, "\"%s\"", f->r_id);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case 4: /* +FDIS */
+ rs[0] = 0;
+ rp = &f->r_resolution;
+ for(i = 0; i < 8; i++) {
+ sprintf(rss, "%c%s", rp[i] + 48,
+ (i < 7) ? "," : "");
+ strcat(rs, rss);
+ }
+ isdn_tty_at_cout(rs, info);
+#ifdef ISDN_TTY_FAX_CMD_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax DIS=%s on ttyI%d\n",
+ rs, info->line);
+#endif
+ break;
+ case 5: /* +FHNG */
+ sprintf(rs, "%d", f->code);
+ isdn_tty_at_cout(rs, info);
+ info->faxonline = 0;
+ break;
+ case 6: /* +FDCS */
+ rs[0] = 0;
+ rp = &f->r_resolution;
+ for(i = 0; i < 8; i++) {
+ sprintf(rss, "%c%s", rp[i] + 48,
+ (i < 7) ? "," : "");
+ strcat(rs, rss);
+ }
+ isdn_tty_at_cout(rs, info);
+#ifdef ISDN_TTY_FAX_CMD_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax DCS=%s on ttyI%d\n",
+ rs, info->line);
+#endif
+ break;
+ case 7: /* CONNECT */
+ info->faxonline |= 2;
+ break;
+ case 9: /* FCFR */
+ break;
+ case 10: /* FPTS */
+ isdn_tty_at_cout("1", info);
+ break;
+ case 11: /* FET */
+ sprintf(rs, "%d", f->fet);
+ isdn_tty_at_cout(rs, info);
+ break;
+ }
+
+ isdn_tty_at_cout("\r\n", info);
+
+ switch (code) {
+ case 7: /* CONNECT */
+ info->online = 2;
+ if (info->faxonline & 1) {
+ sprintf(rs, "%c", XON);
+ isdn_tty_at_cout(rs, info);
+ }
+ break;
+ }
+}
+
+int
+isdn_tty_fax_command(modem_info * info)
+{
+ T30_s *f = info->fax;
+ char rs[10];
+
+#ifdef ISDN_TTY_FAX_CMD_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax cmd %d on ttyI%d\n",
+ f->r_code, info->line);
+#endif
+ switch(f->r_code) {
+ case ISDN_TTY_FAX_FCON:
+ info->faxonline = 1;
+ isdn_tty_fax_modem_result(2, info); /* +FCON */
+ return(0);
+ case ISDN_TTY_FAX_FCON_I:
+ info->faxonline = 16;
+ isdn_tty_fax_modem_result(2, info); /* +FCON */
+ return(0);
+ case ISDN_TTY_FAX_RID:
+ if (info->faxonline & 1)
+ isdn_tty_fax_modem_result(3, info); /* +FCSI */
+ if (info->faxonline & 16)
+ isdn_tty_fax_modem_result(8, info); /* +FTSI */
+ return(0);
+ case ISDN_TTY_FAX_DIS:
+ isdn_tty_fax_modem_result(4, info); /* +FDIS */
+ return(0);
+ case ISDN_TTY_FAX_HNG:
+ if (f->phase == ISDN_FAX_PHASE_C) {
+ if (f->direction == ISDN_TTY_FAX_CONN_IN) {
+ sprintf(rs, "%c%c", DLE, ETX);
+ isdn_tty_at_cout(rs, info);
+ } else {
+ sprintf(rs, "%c", 0x18);
+ isdn_tty_at_cout(rs, info);
+ }
+ info->faxonline &= ~2; /* leave data mode */
+ info->online = 1;
+ }
+ f->phase = ISDN_FAX_PHASE_E;
+ isdn_tty_fax_modem_result(5, info); /* +FHNG */
+ isdn_tty_fax_modem_result(0, info); /* OK */
+ return(0);
+ case ISDN_TTY_FAX_DCS:
+ isdn_tty_fax_modem_result(6, info); /* +FDCS */
+ isdn_tty_fax_modem_result(7, info); /* CONNECT */
+ f->phase = ISDN_FAX_PHASE_C;
+ return(0);
+ case ISDN_TTY_FAX_TRAIN_OK:
+ isdn_tty_fax_modem_result(6, info); /* +FDCS */
+ isdn_tty_fax_modem_result(0, info); /* OK */
+ return(0);
+ case ISDN_TTY_FAX_SENT:
+ isdn_tty_fax_modem_result(0, info); /* OK */
+ return(0);
+ case ISDN_TTY_FAX_CFR:
+ isdn_tty_fax_modem_result(9, info); /* +FCFR */
+ return(0);
+ case ISDN_TTY_FAX_ET:
+ sprintf(rs, "%c%c", DLE, ETX);
+ isdn_tty_at_cout(rs, info);
+ isdn_tty_fax_modem_result(10, info); /* +FPTS */
+ isdn_tty_fax_modem_result(11, info); /* +FET */
+ isdn_tty_fax_modem_result(0, info); /* OK */
+ info->faxonline &= ~2; /* leave data mode */
+ info->online = 1;
+ f->phase = ISDN_FAX_PHASE_D;
+ return(0);
+ case ISDN_TTY_FAX_PTS:
+ isdn_tty_fax_modem_result(10, info); /* +FPTS */
+ if (f->direction == ISDN_TTY_FAX_CONN_OUT) {
+ if (f->fet == 1)
+ f->phase = ISDN_FAX_PHASE_B;
+ if (f->fet == 0)
+ isdn_tty_fax_modem_result(0, info); /* OK */
+ }
+ return(0);
+ case ISDN_TTY_FAX_EOP:
+ info->faxonline &= ~2; /* leave data mode */
+ info->online = 1;
+ f->phase = ISDN_FAX_PHASE_D;
+ return(0);
+
+ }
+ return(-1);
+}
+
+
+void
+isdn_tty_fax_bitorder(modem_info *info, struct sk_buff *skb)
+{
+ __u8 LeftMask;
+ __u8 RightMask;
+ __u8 fBit;
+ __u8 Data;
+ int i;
+
+ if (!info->fax->bor) {
+ for(i = 0; i < skb->len; i++) {
+ Data = skb->data[i];
+ for (
+ LeftMask = 0x80, RightMask = 0x01;
+ LeftMask > RightMask;
+ LeftMask >>= 1, RightMask <<= 1
+ ) {
+ fBit = (Data & LeftMask);
+ if (Data & RightMask)
+ Data |= LeftMask;
+ else
+ Data &= ~LeftMask;
+ if (fBit)
+ Data |= RightMask;
+ else
+ Data &= ~RightMask;
+
+ }
+ skb->data[i] = Data;
+ }
+ }
+}
+
+/*
+ * Parse AT+F.. FAX class 2 commands
+ */
+
+int isdn_tty_cmd_PLUSF_FAX(char **p, modem_info * info)
+{
+ atemu *m = &info->emu;
+ T30_s *f = info->fax;
+ isdn_ctrl cmd;
+ int par;
+ char rs[50];
+ char rss[50];
+ int maxdccval[]={1,5,2,2,3,2,0,7};
+
+ /* FAA still unchanged */
+ if (!strncmp(p[0], "AA", 2)) { /* TODO */
+ p[0] += 2;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d", 0);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 255))
+ PARSE_ERROR1;
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* BADLIN=value - dummy 0=disable errorchk disabled, 1-255 nr. of lines for making page bad */
+ if (!strncmp(p[0], "BADLIN", 6)) {
+ p[0] += 6;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->badlin);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0-255");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 255))
+ PARSE_ERROR1;
+ f->badlin = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FBADLIN=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* BADMUL=value - dummy 0=disable errorchk disabled (treshold multiplier) */
+ if (!strncmp(p[0], "BADMUL", 6)){
+ p[0] +=6;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d", f->badmul);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0-255");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 255))
+ PARSE_ERROR1;
+ f->badmul = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FBADMUL=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* BOR=n - Phase C bit order, 0=direct, 1=reverse */
+ if (!strncmp(p[0], "BOR", 3)){
+ p[0] +=3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d", f->bor);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 1))
+ PARSE_ERROR1;
+ f->bor = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FBOR=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* NBC=n - No Best Capabilities */
+ if (!strncmp(p[0], "NBC", 3)){
+ p[0] +=3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d", f->nbc);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 1))
+ PARSE_ERROR1;
+ f->nbc = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FNBC=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* BUF? - Readonly buffersize readout */
+ if (!strncmp(p[0], "BUF?", 4)) {
+ p[0] += 4;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FBUF? (%d) \n", (16 * m->mdmreg[REG_PSIZE]));
+#endif
+ p[0]++;
+ sprintf(rs, "\r\n %d ", (16 * m->mdmreg[REG_PSIZE]));
+ isdn_tty_at_cout(rs, info);
+ return 0;
+ }
+
+ /* CIG=string - local fax station id string for polling rx */
+ if (!strncmp(p[0], "CIG", 3)) {
+ int i, r;
+ p[0] += 3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n\"%s\"", f->pollid);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n\"STRING\"");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ if (*p[0] =='"')
+ p[0]++;
+ for(i=0; (*p[0]) && i < (FAXIDLEN-1) && (*p[0] != '"'); i++)
+ {
+ f->pollid[i] = *p[0]++;
+ }
+ if (*p[0] =='"')
+ p[0]++;
+ for(r=i; r < FAXIDLEN; r++)
+ {
+ f->pollid[r] = 32;
+ }
+ f->pollid[FAXIDLEN-1] = 0;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax local poll ID rx \"%s\"\n", f->pollid);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* CQ=n - copy qlty chk, 0= no chk, 1=only 1D chk, 2=1D+2D chk */
+ if (!strncmp(p[0], "CQ", 2)) {
+ p[0] += 2;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d", f->cq);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1,2");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 2))
+ PARSE_ERROR1;
+ f->cq = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FCQ=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* CR=n - can receive? 0= no data rx or poll remote dev, 1=do receive data or poll remote dev */
+ if (!strncmp(p[0], "CR", 2)) {
+ p[0] += 2;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d", f->cr); /* read actual value from struct and print */
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1"); /* display online help */
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 1))
+ PARSE_ERROR1;
+ f->cr = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FCR=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* CTCRTY=value - ECM retry count */
+ if (!strncmp(p[0], "CTCRTY", 6)){
+ p[0] +=6;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->ctcrty);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0-255");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 255))
+ PARSE_ERROR1;
+ f->ctcrty = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FCTCRTY=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* DCC=vr,br,wd,ln,df,ec,bf,st - DCE capabilities parms */
+ if (!strncmp(p[0], "DCC", 3)) {
+ char *rp = &f->resolution;
+ int i;
+
+ p[0] += 3;
+ switch(*p[0]) {
+ case '?':
+ p[0]++;
+ strcpy(rs, "\r\n");
+ for(i = 0; i < 8; i++) {
+ sprintf(rss, "%c%s", rp[i] + 48,
+ (i < 7) ? "," : "");
+ strcat(rs, rss);
+ }
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?') {
+ isdn_tty_at_cout("\r\n(0,1),(0-5),(0-2),(0-2),(0-3),(0-2),(0),(0-7)",info);
+ p[0]++;
+ } else {
+ for (i=0; (((*p[0]>='0')&&(*p[0]<='9'))||(*p[0]==','))&&(i<8); i++) {
+ if (*p[0] != ',') {
+ if ((*p[0] - 48) > maxdccval[i]) {
+ PARSE_ERROR1;
+ }
+ rp[i] = *p[0] - 48;
+ p[0]++;
+ if (*p[0] == ',')
+ p[0]++;
+ } else p[0]++;
+ }
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FDCC capabilities DCE=%d,%d,%d,%d,%d,%d,%d,%d\n",
+ rp[0], rp[1], rp[2], rp[3], rp[4], rp[5], rp[6], rp[7]);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* DIS=vr,br,wd,ln,df,ec,bf,st - current session parms */
+ if (!strncmp(p[0], "DIS", 3)) {
+ char *rp = &f->resolution;
+ int i;
+
+ p[0] += 3;
+ switch(*p[0]) {
+ case '?':
+ p[0]++;
+ strcpy(rs, "\r\n");
+ for(i = 0; i < 8; i++) {
+ sprintf(rss, "%c%s", rp[i] + 48,
+ (i < 7) ? "," : "");
+ strcat(rs, rss);
+ }
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?') {
+ isdn_tty_at_cout("\r\n(0,1),(0-5),(0-2),(0-2),(0-3),(0-2),(0),(0-7)",info);
+ p[0]++;
+ } else {
+ for (i=0; (((*p[0]>='0')&&(*p[0]<='9'))||(*p[0]==','))&&(i<8); i++) {
+ if (*p[0] != ',') {
+ if ((*p[0] - 48) > maxdccval[i]) {
+ PARSE_ERROR1;
+ }
+ rp[i] = *p[0] - 48;
+ p[0]++;
+ if (*p[0] == ',')
+ p[0]++;
+ } else p[0]++;
+ }
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FDIS session parms=%d,%d,%d,%d,%d,%d,%d,%d\n",
+ rp[0], rp[1], rp[2], rp[3], rp[4], rp[5], rp[6], rp[7]);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* DR - Receive Phase C data command, initiates document reception */
+ if (!strncmp(p[0], "DR", 2)) {
+ p[0] += 2;
+ if ((info->faxonline & 16) && /* incoming connection */
+ ((f->phase == ISDN_FAX_PHASE_B) || (f->phase == ISDN_FAX_PHASE_D))) {
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FDR\n");
+#endif
+ f->code = ISDN_TTY_FAX_DR;
+ cmd.driver = info->isdn_driver;
+ cmd.arg = info->isdn_channel;
+ cmd.command = ISDN_CMD_FAXCMD;
+ isdn_command(&cmd);
+ if (f->phase == ISDN_FAX_PHASE_B) {
+ f->phase = ISDN_FAX_PHASE_C;
+ } else if (f->phase == ISDN_FAX_PHASE_D) {
+ switch(f->fet) {
+ case 0: /* next page will be received */
+ f->phase = ISDN_FAX_PHASE_C;
+ isdn_tty_fax_modem_result(7, info); /* CONNECT */
+ break;
+ case 1: /* next doc will be received */
+ f->phase = ISDN_FAX_PHASE_B;
+ break;
+ case 2: /* fax session is terminating */
+ f->phase = ISDN_FAX_PHASE_E;
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ }
+ } else {
+ PARSE_ERROR1;
+ }
+ return 1;
+ }
+
+ /* DT=df,vr,wd,ln - TX phase C data command (release DCE to proceed with negotiation) */
+ if (!strncmp(p[0], "DT", 2)) {
+ int i, val[]={4,0,2,3};
+ char *rp = &f->resolution;
+
+ p[0] += 2;
+ if (!info->faxonline & 1) /* not outgoing connection */
+ PARSE_ERROR1;
+
+ for (i=0; (((*p[0]>='0')&&(*p[0]<='9'))||(*p[0]==','))&&(i<4); i++) {
+ if (*p[0] != ',') {
+ if ((*p[0] - 48) > maxdccval[val[i]]) {
+ PARSE_ERROR1;
+ }
+ rp[val[i]] = *p[0] - 48;
+ p[0]++;
+ if (*p[0] == ',')
+ p[0]++;
+ } else p[0]++;
+ }
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FDT tx data command parms=%d,%d,%d,%d\n",
+ rp[4], rp[0], rp[2], rp[3]);
+#endif
+ if ((f->phase == ISDN_FAX_PHASE_B) || (f->phase == ISDN_FAX_PHASE_D)) {
+ f->code = ISDN_TTY_FAX_DT;
+ cmd.driver = info->isdn_driver;
+ cmd.arg = info->isdn_channel;
+ cmd.command = ISDN_CMD_FAXCMD;
+ isdn_command(&cmd);
+ if (f->phase == ISDN_FAX_PHASE_D) {
+ f->phase = ISDN_FAX_PHASE_C;
+ isdn_tty_fax_modem_result(7, info); /* CONNECT */
+ }
+ } else {
+ PARSE_ERROR1;
+ }
+ return 1;
+ }
+
+ /* ECM=n - Error mode control 0=disabled, 2=enabled, handled by DCE alone incl. buff of partial pages */
+ if (!strncmp(p[0], "ECM", 3)) {
+ p[0] += 3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->ecm);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,2");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par != 0) && (par != 2))
+ PARSE_ERROR1;
+ f->ecm = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FECM=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* ET=n - End of page or document */
+ if (!strncmp(p[0], "ET=", 3)) {
+ p[0] += 3;
+ if (*p[0] == '?') {
+ p[0]++;
+ sprintf(rs, "\r\n0-2");
+ isdn_tty_at_cout(rs, info);
+ } else {
+ if ((f->phase != ISDN_FAX_PHASE_D) || (!info->faxonline & 1))
+ PARSE_ERROR1;
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 2))
+ PARSE_ERROR1;
+ f->fet = par;
+ f->code = ISDN_TTY_FAX_ET;
+ cmd.driver = info->isdn_driver;
+ cmd.arg = info->isdn_channel;
+ cmd.command = ISDN_CMD_FAXCMD;
+ isdn_command(&cmd);
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FET=%d\n", par);
+#endif
+ return 1;
+ }
+ return 0;
+ }
+
+ /* K - terminate */
+ if (!strncmp(p[0], "K", 1)) {
+ p[0] += 1;
+ if ((f->phase == ISDN_FAX_PHASE_IDLE) || (f->phase == ISDN_FAX_PHASE_E))
+ PARSE_ERROR1;
+ isdn_tty_modem_hup(info, 1);
+ return 1;
+ }
+
+ /* LID=string - local fax ID */
+ if (!strncmp(p[0], "LID", 3)) {
+ int i, r;
+ p[0] += 3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n\"%s\"", f->id);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n\"STRING\"");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ if (*p[0] =='"')
+ p[0]++;
+ for(i=0; (*p[0]) && i < (FAXIDLEN-1) && (*p[0] != '"'); i++)
+ {
+ f->id[i] = *p[0]++;
+ }
+ if (*p[0] =='"')
+ p[0]++;
+ for(r=i; r < FAXIDLEN; r++)
+ {
+ f->id[r] = 32;
+ }
+ f->id[FAXIDLEN-1] = 0;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax local ID \"%s\"\n", f->id);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+#if 0
+ /* LO=n - Flow control opts */
+ if (!strncmp(p[0], "LO", 2)) { /* TODO */
+ p[0] += 2;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->lo);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1,2");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 2))
+ PARSE_ERROR1;
+ f->lo = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FLO=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+#endif
+#if 0
+ /* LPL=n - Doc for polling cmd */
+ if (!strncmp(p[0], "LPL", 3)) { /* TODO */
+ p[0] += 3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->lpl);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 1))
+ PARSE_ERROR1;
+ f->lpl = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FLPL=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+#endif
+
+ /* MDL? - DCE Model */
+ if (!strncmp(p[0], "MDL?", 4)) {
+ p[0] += 4;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: FMDL?\n");
+#endif
+ isdn_tty_at_cout("\r\nisdn4linux", info);
+ return 0;
+ }
+
+ /* MFR? - DCE Manufacturer */
+ if (!strncmp(p[0], "MFR?", 4)) {
+ p[0] += 4;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: FMFR?\n");
+#endif
+ isdn_tty_at_cout("\r\nisdn4linux", info);
+ return 0;
+ }
+
+ /* MINSP=n - Minimum Speed for Phase C */
+ if (!strncmp(p[0], "MINSP", 5)) {
+ p[0] += 5;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->minsp);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0-5");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 5))
+ PARSE_ERROR1;
+ f->minsp = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FMINSP=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* PHCTO=value - DTE phase C timeout */
+ if (!strncmp(p[0], "PHCTO", 5)){
+ p[0] +=5;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->phcto);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0-255");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 255))
+ PARSE_ERROR1;
+ f->phcto = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FPHCTO=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+#if 0
+ /* PTS=n - Page transfer status */
+ if (!strncmp(p[0], "PTS", 3)) { /* TODO */
+ p[0] += 3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->pts);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0-5");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 5))
+ PARSE_ERROR1;
+ f->pts = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FPTS=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+#endif
+
+ /* REL=n - Phase C received EOL alignment */
+ if (!strncmp(p[0], "REL", 3)) {
+ p[0] += 3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d",f->rel);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 1))
+ PARSE_ERROR1;
+ f->rel = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FREL=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ /* REV? - DCE Revision */
+ if (!strncmp(p[0], "REV?", 4)) {
+ p[0] += 4;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: FREV?\n");
+#endif
+ strcpy(rss, isdn_tty_fax_revision);
+ sprintf(rs, "\r\nRev: %s", isdn_getrev(rss));
+ isdn_tty_at_cout(rs, info);
+ return 0;
+ }
+
+#if 0
+ /* SPL=n - Enable polling */
+ if (!strncmp(p[0], "SPL", 3)) { /* TODO */
+ p[0] += 3;
+ switch (*p[0]) {
+ case '?':
+ p[0]++;
+ sprintf(rs, "\r\n%d", f->spl);
+ isdn_tty_at_cout(rs, info);
+ break;
+ case '=':
+ p[0]++;
+ if (*p[0] == '?')
+ {
+ p[0]++;
+ sprintf(rs, "\r\n0,1");
+ isdn_tty_at_cout(rs, info);
+ }
+ else
+ {
+ par = isdn_getnum(p);
+ if ((par < 0) || (par > 1))
+ PARSE_ERROR1;
+ f->spl = par;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FSPL=%d\n", par);
+#endif
+ }
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+#endif
+
+ /* Phase C Transmit Data Block Size */
+ if (!strncmp(p[0], "TBC=", 4)) { /* dummy, not used */
+ p[0] += 4;
+#ifdef ISDN_TTY_FAX_STAT_DEBUG
+ printk(KERN_DEBUG "isdn_tty: Fax FTBC=%c\n", *p[0]);
+#endif
+ switch (*p[0]) {
+ case '0':
+ p[0]++;
+ break;
+ default:
+ PARSE_ERROR1;
+ }
+ return 0;
+ }
+
+ printk(KERN_DEBUG "isdn_tty: unknown token=>AT+F%s<\n", p[0]);
+ PARSE_ERROR1;
+}
+
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)