GNU Radio's DAB Package
firecode-checker.h
Go to the documentation of this file.
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 
34 public:
35  firecode_checker(void);
36 
37  ~firecode_checker(void);
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
41 private:
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)