/usr/include/csp/csp_crc32.h is in libcsp-dev 1.4+fdd49b7+dfsg-3build1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | /*
Cubesat Space Protocol - A small network-layer protocol designed for Cubesats
Copyright (C) 2012 GomSpace ApS (http://www.gomspace.com)
Copyright (C) 2012 AAUSAT3 Project (http://aausat3.space.aau.dk)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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 library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _CSP_CRC32_H_
#define _CSP_CRC32_H_
#ifdef __cplusplus
extern "C" {
#endif
/**
* Generate precomputed CRC32 table
*/
void csp_crc32_gentab(void);
/**
* Append CRC32 checksum to packet
* @param packet Packet to append checksum
* @return 0 on success, -1 on error
*/
int csp_crc32_append(csp_packet_t * packet);
/**
* Verify CRC32 checksum on packet
* @param packet Packet to verify
* @return 0 if checksum is valid, -1 otherwise
*/
int csp_crc32_verify(csp_packet_t * packet);
/**
* Calculate checksum for a given memory area
* @param data pointer to memory
* @param length length of memory to do checksum on
* @return return uint32_t checksum
*/
uint32_t csp_crc32_memory(const uint8_t * data, uint32_t length);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* _CSP_CRC32_H_ */
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