HackRF-Treasure-Chest/Software/portapack-mayhem/hackrf/firmware/common/crc.h
2022-09-22 09:26:57 -07:00

39 lines
1.2 KiB
C

/*
* Copyright 2019 Jared Boone <jared@sharebrained.com>
*
* This file is part of HackRF.
*
* This program 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 2, or (at your option)
* any later version.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __CRC_H__
#define __CRC_H__
#include <stdint.h>
#include <stddef.h>
typedef struct {
uint32_t remainder;
uint32_t reversed_polynomial;
uint32_t final_xor;
} crc32_t;
void crc32_init(crc32_t* const crc);
void crc32_update(crc32_t* const crc, const uint8_t* const data, const size_t byte_count);
uint32_t crc32_digest(const crc32_t* const crc);
#endif//__CRC_H__