Pratyush Mallick
/
nano_dac
this is testing
noos_mbed/include/crc8.h
- Committer:
- pmallick
- Date:
- 2021-01-14
- Revision:
- 0:e8a1ba50c46b
File content as of revision 0:e8a1ba50c46b:
/***************************************************************************//** * @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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *******************************************************************************/ #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