private/super_tone_tx.h
/*
* SpanDSP - a series of DSP components for telephony
*
* private/super_tone_tx.h - Flexible telephony supervisory tone generation.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2001 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_SUPER_TONE_TX_H_)
#define _SPANDSP_PRIVATE_SUPER_TONE_TX_H_
struct super_tone_tx_step_s
{
tone_gen_tone_descriptor_t tone[4];
int tone_on;
int length;
int cycles;
super_tone_tx_step_t *next;
super_tone_tx_step_t *nest;
};
struct super_tone_tx_state_s
{
tone_gen_tone_descriptor_t tone[4];
uint32_t phase[4];
int current_position;
int level;
super_tone_tx_step_t *levels[4];
int cycles[4];
};
#endif
/*- End of file ------------------------------------------------------------*/
super_tone_tx_state_s
Definition private/super_tone_tx.h:40
super_tone_tx_step_s
Definition private/super_tone_tx.h:30