GNU Radio's DAB Package
firecode-checker.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2004,2010 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
10 * any later version.
11 *
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
21 */
22//
23// This is a (partial) rewrite of the GNU radio code, for use
24// within the DAB/DAB+ sdr-j receiver software
25// all rights are acknowledged.
26//
27#ifndef FIRECODE_CHECKER
28#define FIRECODE_CHECKER
29
30#include <stdint.h>
31
32
34public:
36
38
39// error detection. x[0-1] contains parity, x[2-10] contains data
40 bool check(const uint8_t *x); // return true if firecode check is passed
41private:
42 uint16_t tab[256];
43
44 uint16_t run8(unsigned char regs[]);
45
46 static const uint8_t g[16];
47};
48
49#endif
50
Definition firecode-checker.h:33
bool check(const uint8_t *x)