Enda Kilgarriff / platform_drivers

Update platform drivers

inc/crc8.h@10:b5115cd6b916, 2020-06-17 (annotated)

Committer:
EndaKilgarriff
Date:
Wed Jun 17 14:54:14 2020 +0000
Revision:
10:b5115cd6b916
Parent:
9:9e247b9c9abf 
Roll back delay.cpp to previous version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
EndaKilgarriff 9:9e247b9c9abf 1 /***************************************************************************//**
EndaKilgarriff 9:9e247b9c9abf 2 * @file crc8.h
EndaKilgarriff 9:9e247b9c9abf 3 * @brief Header file of CRC-8 computation.
EndaKilgarriff 9:9e247b9c9abf 4 * @author Darius Berghe (darius.berghe@analog.com)
EndaKilgarriff 9:9e247b9c9abf 5 ********************************************************************************
EndaKilgarriff 9:9e247b9c9abf 6 * Copyright 2020(c) Analog Devices, Inc.
EndaKilgarriff 9:9e247b9c9abf 7 *
EndaKilgarriff 9:9e247b9c9abf 8 * All rights reserved.
EndaKilgarriff 9:9e247b9c9abf 9 *
EndaKilgarriff 9:9e247b9c9abf 10 * Redistribution and use in source and binary forms, with or without
EndaKilgarriff 9:9e247b9c9abf 11 * modification, are permitted provided that the following conditions are met:
EndaKilgarriff 9:9e247b9c9abf 12 * - Redistributions of source code must retain the above copyright
EndaKilgarriff 9:9e247b9c9abf 13 * notice, this list of conditions and the following disclaimer.
EndaKilgarriff 9:9e247b9c9abf 14 * - Redistributions in binary form must reproduce the above copyright
EndaKilgarriff 9:9e247b9c9abf 15 * notice, this list of conditions and the following disclaimer in
EndaKilgarriff 9:9e247b9c9abf 16 * the documentation and/or other materials provided with the
EndaKilgarriff 9:9e247b9c9abf 17 * distribution.
EndaKilgarriff 9:9e247b9c9abf 18 * - Neither the name of Analog Devices, Inc. nor the names of its
EndaKilgarriff 9:9e247b9c9abf 19 * contributors may be used to endorse or promote products derived
EndaKilgarriff 9:9e247b9c9abf 20 * from this software without specific prior written permission.
EndaKilgarriff 9:9e247b9c9abf 21 * - The use of this software may or may not infringe the patent rights
EndaKilgarriff 9:9e247b9c9abf 22 * of one or more patent holders. This license does not release you
EndaKilgarriff 9:9e247b9c9abf 23 * from the requirement that you obtain separate licenses from these
EndaKilgarriff 9:9e247b9c9abf 24 * patent holders to use this software.
EndaKilgarriff 9:9e247b9c9abf 25 * - Use of the software either in source or binary form, must be run
EndaKilgarriff 9:9e247b9c9abf 26 * on or directly connected to an Analog Devices Inc. component.
EndaKilgarriff 9:9e247b9c9abf 27 *
EndaKilgarriff 9:9e247b9c9abf 28 * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
EndaKilgarriff 9:9e247b9c9abf 29 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
EndaKilgarriff 9:9e247b9c9abf 30 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
EndaKilgarriff 9:9e247b9c9abf 31 * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
EndaKilgarriff 9:9e247b9c9abf 32 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
EndaKilgarriff 9:9e247b9c9abf 33 * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
EndaKilgarriff 9:9e247b9c9abf 34 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
EndaKilgarriff 9:9e247b9c9abf 35 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
EndaKilgarriff 9:9e247b9c9abf 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
EndaKilgarriff 9:9e247b9c9abf 37 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
EndaKilgarriff 9:9e247b9c9abf 38 *******************************************************************************/
EndaKilgarriff 9:9e247b9c9abf 39 #ifndef __CRC8_H
EndaKilgarriff 9:9e247b9c9abf 40 #define __CRC8_H
EndaKilgarriff 9:9e247b9c9abf 41
EndaKilgarriff 9:9e247b9c9abf 42 #include <stdint.h>
EndaKilgarriff 9:9e247b9c9abf 43 #include <stddef.h>
EndaKilgarriff 9:9e247b9c9abf 44
EndaKilgarriff 9:9e247b9c9abf 45 #define CRC8_TABLE_SIZE 256
EndaKilgarriff 9:9e247b9c9abf 46
EndaKilgarriff 9:9e247b9c9abf 47 #define DECLARE_CRC8_TABLE(_table) \
EndaKilgarriff 9:9e247b9c9abf 48 static uint8_t _table[CRC8_TABLE_SIZE]
EndaKilgarriff 9:9e247b9c9abf 49
EndaKilgarriff 9:9e247b9c9abf 50 void crc8_populate_msb(uint8_t * table, const uint8_t polynomial);
EndaKilgarriff 9:9e247b9c9abf 51 uint8_t crc8(const uint8_t * table, const uint8_t *pdata, size_t nbytes,
EndaKilgarriff 9:9e247b9c9abf 52 uint8_t crc);
EndaKilgarriff 9:9e247b9c9abf 53
EndaKilgarriff 9:9e247b9c9abf 54 #endif // __CRC8_H