Logo Search packages:      
Sourcecode: linux version File versions  Download package

isdn_ttyfax.c

/* $Id: isdn_ttyfax.c,v 1.1.2.2 2004/01/12 22:37:19 keil 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 software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#undef ISDN_TTY_FAX_STAT_DEBUG
#undef ISDN_TTY_FAX_CMD_DEBUG

#include <linux/isdn.h>
#include "isdn_common.h"
#include "isdn_tty.h"
#include "isdn_ttyfax.h"


static char *isdn_tty_fax_revision = "$Revision: 1.1.2.2 $";

#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_CPNFCON] & BIT_CPNFCON) &&
                        (!(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;
      }
}

static int
isdn_tty_fax_command1(modem_info * info, isdn_ctrl * c)
{
      static char *msg[] =
      {"OK", "CONNECT", "NO CARRIER", "ERROR", "FCERROR"};

#ifdef ISDN_TTY_FAX_CMD_DEBUG
      printk(KERN_DEBUG "isdn_tty: FCLASS1 cmd(%d)\n", c->parm.aux.cmd);
#endif
      if (c->parm.aux.cmd < ISDN_FAX_CLASS1_QUERY) {
            if (info->online)
                  info->online = 1;
            isdn_tty_at_cout("\r\n", info);
            isdn_tty_at_cout(msg[c->parm.aux.cmd], info);
            isdn_tty_at_cout("\r\n", info);
      }
      switch (c->parm.aux.cmd) {
            case ISDN_FAX_CLASS1_CONNECT:
                  info->online = 2;
                  break;
            case ISDN_FAX_CLASS1_OK:
            case ISDN_FAX_CLASS1_FCERROR:
            case ISDN_FAX_CLASS1_ERROR:
            case ISDN_FAX_CLASS1_NOCARR:
                  break;
            case ISDN_FAX_CLASS1_QUERY:
                  isdn_tty_at_cout("\r\n", info);
                  if (!c->parm.aux.para[0]) {
                        isdn_tty_at_cout(msg[ISDN_FAX_CLASS1_ERROR], info);
                        isdn_tty_at_cout("\r\n", info);
                  } else {
                        isdn_tty_at_cout(c->parm.aux.para, info);
                        isdn_tty_at_cout("\r\nOK\r\n", info);
                  }
                  break;
      }
      return (0);
}

int
isdn_tty_fax_command(modem_info * info, isdn_ctrl * c)
{
      T30_s *f = info->fax;
      char rs[10];

      if (TTY_IS_FCLASS1(info))
            return (isdn_tty_fax_command1(info, c));

#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 1 commands
 */

static int
isdn_tty_cmd_FCLASS1(char **p, modem_info * info)
{
      static char *cmd[] =
      {"AE", "TS", "RS", "TM", "RM", "TH", "RH"};
      isdn_ctrl c;
      int par, i;
      u_long flags;

      for (c.parm.aux.cmd = 0; c.parm.aux.cmd < 7; c.parm.aux.cmd++)
            if (!strncmp(p[0], cmd[c.parm.aux.cmd], 2))
                  break;

#ifdef ISDN_TTY_FAX_CMD_DEBUG
      printk(KERN_DEBUG "isdn_tty_cmd_FCLASS1 (%s,%d)\n", p[0], c.parm.aux.cmd);
#endif
      if (c.parm.aux.cmd == 7)
            PARSE_ERROR1;

      p[0] += 2;
      switch (*p[0]) {
            case '?':
                  p[0]++;
                  c.parm.aux.subcmd = AT_QUERY;
                  break;
            case '=':
                  p[0]++;
                  if (*p[0] == '?') {
                        p[0]++;
                        c.parm.aux.subcmd = AT_EQ_QUERY;
                  } else {
                        par = isdn_getnum(p);
                        if ((par < 0) || (par > 255))
                              PARSE_ERROR1;
                        c.parm.aux.subcmd = AT_EQ_VALUE;
                        c.parm.aux.para[0] = par;
                  }
                  break;
            case 0:
                  c.parm.aux.subcmd = AT_COMMAND;
                  break;
            default:
                  PARSE_ERROR1;
      }
      c.command = ISDN_CMD_FAXCMD;
#ifdef ISDN_TTY_FAX_CMD_DEBUG
      printk(KERN_DEBUG "isdn_tty_cmd_FCLASS1 %d/%d/%d)\n",
             c.parm.aux.cmd, c.parm.aux.subcmd, c.parm.aux.para[0]);
#endif
      if (info->isdn_driver < 0) {
            if ((c.parm.aux.subcmd == AT_EQ_VALUE) ||
                (c.parm.aux.subcmd == AT_COMMAND)) {
                  PARSE_ERROR1;
            }
            spin_lock_irqsave(&dev->lock, flags);
            /* get a temporary connection to the first free fax driver */
            i = isdn_get_free_channel(ISDN_USAGE_FAX, ISDN_PROTO_L2_FAX,
                                ISDN_PROTO_L3_FCLASS1, -1, -1, "00");
            if (i < 0) {
                  spin_unlock_irqrestore(&dev->lock, flags);
                  PARSE_ERROR1;
            }
            info->isdn_driver = dev->drvmap[i];
            info->isdn_channel = dev->chanmap[i];
            info->drv_index = i;
            dev->m_idx[i] = info->line;
            spin_unlock_irqrestore(&dev->lock, flags);
            c.driver = info->isdn_driver;
            c.arg = info->isdn_channel;
            isdn_command(&c);
            spin_lock_irqsave(&dev->lock, flags);
            isdn_free_channel(info->isdn_driver, info->isdn_channel,
                          ISDN_USAGE_FAX);
            info->isdn_driver = -1;
            info->isdn_channel = -1;
            if (info->drv_index >= 0) {
                  dev->m_idx[info->drv_index] = -1;
                  info->drv_index = -1;
            }
            spin_unlock_irqrestore(&dev->lock, flags);
      } else {
            c.driver = info->isdn_driver;
            c.arg = info->isdn_channel;
            isdn_command(&c);
      }
      return 1;
}

/*
 * Parse AT+F.. FAX class 2 commands
 */

static int
isdn_tty_cmd_FCLASS2(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;
      }

      /* 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;
      }

      /* 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;
      }

      /* 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;
}

int
isdn_tty_cmd_PLUSF_FAX(char **p, modem_info * info)
{
      if (TTY_IS_FCLASS2(info))
            return (isdn_tty_cmd_FCLASS2(p, info));
      else if (TTY_IS_FCLASS1(info))
            return (isdn_tty_cmd_FCLASS1(p, info));
      PARSE_ERROR1;
}

Generated by  Doxygen 1.6.0   Back to index