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/*
* Copyright (c) 2017 Nordic Semiconductor ASA
* Copyright (c) 2015 Runtime Inc
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __CRC8_H_
#define __CRC8_H_
#include <zephyr/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Initial value expected to be used at the beginning of the crc8_ccitt
* computation.
*/
#define CRC8_CCITT_INITIAL_VALUE 0xFF
/**
* @brief Compute CCITT variant of CRC 8
*
* Normal CCITT variant of CRC 8 is using 0x07.
*
* @param initial_value Initial value for the CRC computation
* @param buf Input bytes for the computation
* @param len Length of the input in bytes
*
* @return The computed CRC8 value
*/
u8_t crc8_ccitt(u8_t initial_value, void *buf, int len);
#ifdef __cplusplus
}
#endif
#endif
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