session-ios/Libraries/spandsp/spandsp/spandsp/private/bert.h

93 lines
2.1 KiB
C

/*
* SpanDSP - a series of DSP components for telephony
*
* private/bert.h - Bit error rate tests.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2004 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.
*
* $Id: bert.h,v 1.2 2009/04/14 16:04:54 steveu Exp $
*/
#if !defined(_SPANDSP_PRIVATE_BERT_H_)
#define _SPANDSP_PRIVATE_BERT_H_
typedef struct
{
uint32_t reg;
int step;
int step_bit;
int bits;
int zeros;
} bert_tx_state_t;
typedef struct
{
uint32_t reg;
uint32_t ref_reg;
uint32_t master_reg;
int step;
int step_bit;
int resync;
int bits;
int zeros;
int resync_len;
int resync_percent;
int resync_bad_bits;
int resync_cnt;
int report_countdown;
int measurement_step;
} bert_rx_state_t;
/*!
Bit error rate tester (BERT) descriptor. This defines the working state for a
single instance of the BERT.
*/
struct bert_state_s
{
int pattern;
int pattern_class;
bert_report_func_t reporter;
void *user_data;
int report_frequency;
int limit;
uint32_t mask;
int shift;
int shift2;
int max_zeros;
int invert;
int resync_time;
int decade_ptr[9];
int decade_bad[9][10];
int error_rate;
bert_tx_state_t tx;
bert_rx_state_t rx;
bert_results_t results;
/*! \brief Error and flow logging control */
logging_state_t logging;
};
#endif
/*- End of file ------------------------------------------------------------*/