From bbab73a63b8c7b50e8a8cb228999d45024fad984 Mon Sep 17 00:00:00 2001 From: "Matthias (think)" Date: Wed, 11 Jul 2012 11:49:12 +0200 Subject: added unmodified mmbtools --- src/prbs.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/prbs.h (limited to 'src/prbs.h') diff --git a/src/prbs.h b/src/prbs.h new file mode 100644 index 0000000..827ded6 --- /dev/null +++ b/src/prbs.h @@ -0,0 +1,61 @@ +/* + Copyright (C) 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in Right + of Canada (Communications Research Center Canada) + */ +/* + This file is part of CRC-DabMux. + + CRC-DabMux is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as + published by the Free Software Foundation, either version 3 of the + License, or (at your option) any later version. + + CRC-DabMux 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with CRC-DabMux. If not, see . + */ + +#ifndef _PRBS +#define _PRBS + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + + +#ifdef __cplusplus +extern "C" { // } +#endif + +typedef struct { + // table of matrix products used to update a 32-bit PRBS generator + unsigned long prbs_table [4] [256]; + // table of weights for 8-bit bytes + unsigned char weight[256]; + // PRBS polynomial generator + unsigned long polynomial; + // PRBS generator polarity mask + unsigned char polarity_mask; + // PRBS accumulator + unsigned long accum; +} prbs_data; + + +unsigned long parity_check(unsigned long prbs_accum); +void gen_prbs_table(void* args); +unsigned long update_prbs(void* args); +void gen_weight_table(void* args); +unsigned long error_count(void* args, unsigned char *rx_data, + int rx_data_length); +void gen_sequence(void* args, unsigned char *tx_data, int tx_data_length, + unsigned long polynomial); + +#ifdef __cplusplus +} +#endif + +#endif // _PRBS -- cgit v1.2.3