192 lines
4.9 KiB
C
192 lines
4.9 KiB
C
/*
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* Copyright (c) 1999 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* isdnphone - isdn (i4b) handling
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* ===============================
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*
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* $Id: isdn.c,v 1.4 1999/12/13 21:25:26 hm Exp $
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*
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* $FreeBSD$
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*
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* last edit-date: [Mon Dec 13 21:53:05 1999]
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*
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*---------------------------------------------------------------------------*/
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#include "defs.h"
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/*---------------------------------------------------------------------------*
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* dialer init
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*---------------------------------------------------------------------------*/
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int
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init_dial(char *device)
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{
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int ret;
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if((ret = open(device, O_RDWR)) < 0)
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{
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fprintf(stderr, "unable to open %s: %s\n", device, strerror(errno));
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return(-1);
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}
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return(ret);
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}
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/*---------------------------------------------------------------------------*
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* i4bteld data available handler
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*---------------------------------------------------------------------------*/
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void
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dial_hdlr(void)
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{
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char result;
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if((read (dialerfd, &result, 1) < 0))
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{
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fatal("read failed: %s", strerror(errno));
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}
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switch(result)
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{
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case RSP_CONN:
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newstate(ST_ACTIVE);
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message("connected to remote!");
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break;
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case RSP_BUSY:
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message("remote is busy!");
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break;
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case RSP_HUP:
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newstate(ST_IDLE);
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message("disconnected from remote!");
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break;
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case RSP_NOA:
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message("no answer from remote!");
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break;
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default:
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message("unknown response = 0x%2x!", result);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* telephone init
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*---------------------------------------------------------------------------*/
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int
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init_tel(char *device)
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{
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int ret;
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int format;
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if(play_fmt == AFMT_MU_LAW)
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format = CVT_ALAW2ULAW;
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else
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format = CVT_NONE;
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if((ret = open(device, O_RDWR)) < 0)
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fatal("unable to open %s: %s\n", device, strerror(errno));
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if((ioctl(ret, I4B_TEL_SETAUDIOFMT, &format)) < 0)
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fatal("ioctl I4B_TEL_SETAUDIOFMT failed: %s", strerror(errno));
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return(ret);
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}
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/*---------------------------------------------------------------------------*
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* dial number
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*---------------------------------------------------------------------------*/
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void
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do_dial(char *number)
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{
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char commandbuffer[80];
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sprintf(commandbuffer, "D%s", number);
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if((write(dialerfd, commandbuffer, strlen(commandbuffer))) < 0)
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{
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fatal("write commandbuffer failed: %s", strerror(errno));
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}
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}
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/*---------------------------------------------------------------------------*
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* hangup
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*---------------------------------------------------------------------------*/
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void
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do_hangup(void)
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{
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char commandbuffer[80];
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if(state == ST_IDLE)
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{
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message("tried hangup while ST_IDLE");
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return;
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}
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sprintf(commandbuffer, "H");
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if((write(dialerfd, commandbuffer, strlen(commandbuffer))) < 0)
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{
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fatal("write commandbuffer failed: %s", strerror(errno));
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}
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}
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/*---------------------------------------------------------------------------*
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* i4btel speech data available handler
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*---------------------------------------------------------------------------*/
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void
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tel_hdlr(void)
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{
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unsigned char buffer[BCH_MAX_DATALEN];
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int ret;
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ret = read(telfd, buffer, BCH_MAX_DATALEN);
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if(ret < 0)
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{
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fatal("read telfd failed: %s", strerror(errno));
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}
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debug("tel_hdlr: read %d bytes\n", ret);
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if(ret > 0)
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{
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audiowrite(ret, buffer);
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}
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}
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/*---------------------------------------------------------------------------*
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* write audio data to ISDN
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*---------------------------------------------------------------------------*/
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void
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telwrite(int len, unsigned char *buf)
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{
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if((write(telfd, buf, len)) < 0)
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{
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fatal("write tel failed: %s", strerror(errno));
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}
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}
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/* EOF */
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