Mercurial > hg > audiostuff
comparison spandsp-0.0.6pre17/src/spandsp/private/v18.h @ 4:26cd8f1ef0b1
import spandsp-0.0.6pre17
| author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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| date | Fri, 25 Jun 2010 15:50:58 +0200 |
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| 3:c6c5a16ce2f2 | 4:26cd8f1ef0b1 |
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| 1 /* | |
| 2 * SpanDSP - a series of DSP components for telephony | |
| 3 * | |
| 4 * private/v18.h - V.18 text telephony for the deaf. | |
| 5 * | |
| 6 * Written by Steve Underwood <steveu@coppice.org> | |
| 7 * | |
| 8 * Copyright (C) 2004-2009 Steve Underwood | |
| 9 * | |
| 10 * All rights reserved. | |
| 11 * | |
| 12 * This program is free software; you can redistribute it and/or modify | |
| 13 * it under the terms of the GNU Lesser General Public License version 2.1, | |
| 14 * as published by the Free Software Foundation. | |
| 15 * | |
| 16 * This program is distributed in the hope that it will be useful, | |
| 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 * GNU Lesser General Public License for more details. | |
| 20 * | |
| 21 * You should have received a copy of the GNU Lesser General Public | |
| 22 * License along with this program; if not, write to the Free Software | |
| 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 24 * | |
| 25 * $Id: v18.h,v 1.5 2009/11/04 15:52:06 steveu Exp $ | |
| 26 */ | |
| 27 | |
| 28 #if !defined(_SPANDSP_PRIVATE_V18_H_) | |
| 29 #define _SPANDSP_PRIVATE_V18_H_ | |
| 30 | |
| 31 struct v18_state_s | |
| 32 { | |
| 33 /*! \brief TRUE if we are the calling modem */ | |
| 34 int calling_party; | |
| 35 int mode; | |
| 36 put_msg_func_t put_msg; | |
| 37 void *user_data; | |
| 38 | |
| 39 union | |
| 40 { | |
| 41 queue_state_t queue; | |
| 42 uint8_t buf[QUEUE_STATE_T_SIZE(128)]; | |
| 43 } queue; | |
| 44 tone_gen_descriptor_t alert_tone_desc; | |
| 45 tone_gen_state_t alert_tone_gen; | |
| 46 fsk_tx_state_t fsktx; | |
| 47 dtmf_tx_state_t dtmftx; | |
| 48 async_tx_state_t asynctx; | |
| 49 int baudot_tx_shift; | |
| 50 int tx_signal_on; | |
| 51 int byte_no; | |
| 52 | |
| 53 fsk_rx_state_t fskrx; | |
| 54 dtmf_rx_state_t dtmfrx; | |
| 55 int baudot_rx_shift; | |
| 56 int consecutive_ones; | |
| 57 uint8_t rx_msg[256 + 1]; | |
| 58 int rx_msg_len; | |
| 59 int bit_pos; | |
| 60 int in_progress; | |
| 61 | |
| 62 /*! \brief Error and flow logging control */ | |
| 63 logging_state_t logging; | |
| 64 }; | |
| 65 | |
| 66 #endif | |
| 67 /*- End of file ------------------------------------------------------------*/ |