GNU Radio Manual and C++ API Reference 3.8.5.0
The Free & Open Software Radio Ecosystem
 
Loading...
Searching...
No Matches
crc32.h
Go to the documentation of this file.
1/* -*- c++ -*- */
2/*
3 * Copyright 2005,2011,2012 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#ifndef INCLUDED_DIGITAL_CRC32_H
24#define INCLUDED_DIGITAL_CRC32_H
25
27#include <gnuradio/types.h>
28#include <string>
29
30namespace gr {
31namespace digital {
32
33/*!
34 * \brief update running CRC-32
35 * \ingroup packet_operators_blk
36 *
37 * \details
38 * Update a running CRC with the bytes buf[0..len-1] The CRC
39 * should be initialized to all 1's, and the transmitted value is
40 * the 1's complement of the final running CRC. The resulting CRC
41 * should be transmitted in big endian order.
42 */
43DIGITAL_API unsigned int
44update_crc32(unsigned int crc, const unsigned char* buf, size_t len);
45
46DIGITAL_API unsigned int update_crc32(unsigned int crc, const std::string buf);
47
48DIGITAL_API unsigned int crc32(const unsigned char* buf, size_t len);
49
50DIGITAL_API unsigned int crc32(const std::string buf);
51
52} /* namespace digital */
53} /* namespace gr */
54
55#endif /* INCLUDED_CRC32_H */
#define DIGITAL_API
Definition gr-digital/include/gnuradio/digital/api.h:30
DIGITAL_API unsigned int update_crc32(unsigned int crc, const unsigned char *buf, size_t len)
update running CRC-32
DIGITAL_API unsigned int crc32(const unsigned char *buf, size_t len)
GNU Radio logging wrapper for log4cpp library (C++ port of log4j)
Definition basic_block.h:46