private/v18.h
/*
* SpanDSP - a series of DSP components for telephony
*
* private/v18.h - V.18 text telephony for the deaf.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2004-2009 Steve Underwood
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1,
* as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(_SPANDSP_PRIVATE_V18_H_)
#define _SPANDSP_PRIVATE_V18_H_
struct v18_state_s
{
/*! \brief TRUE if we are the calling modem */
int calling_party;
int mode;
put_msg_func_t put_msg;
void *user_data;
union
{
queue_state_t queue;
uint8_t buf[QUEUE_STATE_T_SIZE(128)];
} queue;
tone_gen_descriptor_t alert_tone_desc;
tone_gen_state_t alert_tone_gen;
fsk_tx_state_t fsktx;
dtmf_tx_state_t dtmftx;
async_tx_state_t asynctx;
int baudot_tx_shift;
int tx_signal_on;
int byte_no;
fsk_rx_state_t fskrx;
dtmf_rx_state_t dtmfrx;
int baudot_rx_shift;
int consecutive_ones;
uint8_t rx_msg[256 + 1];
int rx_msg_len;
int bit_pos;
int in_progress;
/*! \brief Error and flow logging control */
logging_state_t logging;
};
#endif
/*- End of file ------------------------------------------------------------*/
put_msg_func_t
void(* put_msg_func_t)(void *user_data, const uint8_t *msg, int len)
Definition async.h:93
async_tx_state_t
struct async_tx_state_s async_tx_state_t
Definition async.h:121
fsk_rx_state_t
struct fsk_rx_state_s fsk_rx_state_t
Definition fsk.h:142
fsk_tx_state_t
struct fsk_tx_state_s fsk_tx_state_t
Definition fsk.h:133
logging_state_t
struct logging_state_s logging_state_t
Definition logging.h:75
queue_state_t
struct queue_state_s queue_state_t
Definition queue.h:54
v18_state_s
Definition private/v18.h:30
v18_state_s::logging
logging_state_t logging
Error and flow logging control.
Definition private/v18.h:61
v18_state_s::calling_party
int calling_party
TRUE if we are the calling modem.
Definition private/v18.h:32
tone_gen_descriptor_t
struct tone_gen_descriptor_s tone_gen_descriptor_t
Definition tone_generate.h:51
tone_gen_state_t
struct tone_gen_state_s tone_gen_state_t
Definition tone_generate.h:57