68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* SpanDSP - a series of DSP components for telephony
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*
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* private/v18.h - V.18 text telephony for the deaf.
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2004-2009 Steve Underwood
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: v18.h,v 1.5 2009/11/04 15:52:06 steveu Exp $
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*/
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#if !defined(_SPANDSP_PRIVATE_V18_H_)
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#define _SPANDSP_PRIVATE_V18_H_
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struct v18_state_s
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{
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/*! \brief TRUE if we are the calling modem */
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int calling_party;
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int mode;
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put_msg_func_t put_msg;
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void *user_data;
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union
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{
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queue_state_t queue;
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uint8_t buf[QUEUE_STATE_T_SIZE(128)];
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} queue;
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tone_gen_descriptor_t alert_tone_desc;
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tone_gen_state_t alert_tone_gen;
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fsk_tx_state_t fsktx;
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dtmf_tx_state_t dtmftx;
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async_tx_state_t asynctx;
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int baudot_tx_shift;
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int tx_signal_on;
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int byte_no;
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fsk_rx_state_t fskrx;
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dtmf_rx_state_t dtmfrx;
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int baudot_rx_shift;
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int consecutive_ones;
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uint8_t rx_msg[256 + 1];
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int rx_msg_len;
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int bit_pos;
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int in_progress;
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/*! \brief Error and flow logging control */
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logging_state_t logging;
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};
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#endif
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/*- End of file ------------------------------------------------------------*/
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