File content as of revision 10:b5115cd6b916:

/***************************************************************************//**
 *   @file   crc8.h
 *   @brief  Header file of CRC-8 computation.
 *   @author Darius Berghe (darius.berghe@analog.com)
********************************************************************************
 * Copyright 2020(c) Analog Devices, Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  - Neither the name of Analog Devices, Inc. nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *  - The use of this software may or may not infringe the patent rights
 *    of one or more patent holders.  This license does not release you
 *    from the requirement that you obtain separate licenses from these
 *    patent holders to use this software.
 *  - Use of the software either in source or binary form, must be run
 *    on or directly connected to an Analog Devices Inc. component.
 *
 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
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*******************************************************************************/
#ifndef __CRC8_H
#define __CRC8_H

#include <stdint.h>
#include <stddef.h>

#define CRC8_TABLE_SIZE 256

#define DECLARE_CRC8_TABLE(_table) \
	static uint8_t _table[CRC8_TABLE_SIZE]

void crc8_populate_msb(uint8_t * table, const uint8_t polynomial);
uint8_t crc8(const uint8_t * table, const uint8_t *pdata, size_t nbytes,
	     uint8_t crc);

#endif // __CRC8_H