/usr/include/spandsp/private/ademco_contactid.h is in libspandsp-dev 0.0.6-2+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | /*
* SpanDSP - a series of DSP components for telephony
*
* private/ademco_contactid.h - Ademco ContactID alarm protocol
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2012 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.
*/
/*! \file */
#if !defined(_SPANDSP_PRIVATE_ADEMCO_CONTACTID_H_)
#define _SPANDSP_PRIVATE_ADEMCO_CONTACTID_H_
struct ademco_contactid_receiver_state_s
{
ademco_contactid_report_func_t callback;
void *callback_user_data;
int step;
int remaining_samples;
uint32_t tone_phase;
int32_t tone_phase_rate;
int16_t tone_level;
dtmf_rx_state_t dtmf;
char rx_digits[16 + 1];
int rx_digits_len;
/*! \brief Error and flow logging control */
logging_state_t logging;
};
struct ademco_contactid_sender_state_s
{
tone_report_func_t callback;
void *callback_user_data;
int step;
int remaining_samples;
dtmf_tx_state_t dtmf;
#if defined(SPANDSP_USE_FIXED_POINT)
/*! Minimum acceptable tone level for detection. */
int32_t threshold;
/*! The accumlating total energy on the same period over which the Goertzels work. */
int32_t energy;
#else
/*! Minimum acceptable tone level for detection. */
float threshold;
/*! The accumlating total energy on the same period over which the Goertzels work. */
float energy;
#endif
goertzel_state_t tone_1400;
goertzel_state_t tone_2300;
/*! The current sample number within a processing block. */
int current_sample;
/*! \brief A buffer to save the sent message, in case we need to retry. */
char tx_digits[16 + 1];
int tx_digits_len;
/*! \brief The number of consecutive retries. */
int tries;
int tone_state;
int duration;
int last_hit;
int in_tone;
int clear_to_send;
int timer;
int busy;
/*! \brief Error and flow logging control */
logging_state_t logging;
};
#endif
/*- End of file ------------------------------------------------------------*/
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