blob: e27af36c0b149bd837b28cf3fca16fcf7bc8e4fc [file] [log] [blame]
/*
* Copyright (c) 2018 Workaround GmbH.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
*
* @brief CRC 32 computation function
*/
#ifndef __CRC32_H
#define __CRC32_H
#include <zephyr/types.h>
#include <stdbool.h>
#include <stddef.h>
/**
* @defgroup checksum Checksum
*/
/**
* @defgroup crc32 CRC 32
* @ingroup checksum
* @{
*/
/**
* @brief Generate IEEE conform CRC32 checksum.
*
* @param *data Pointer to data on which the CRC should be calculated.
* @param len Data length.
*
* @return CRC32 value.
*
*/
u32_t crc32_ieee(const u8_t *data, size_t len);
/**
* @brief Update an IEEE conforming CRC32 checksum.
*
* @param crc CRC32 checksum that needs to be updated.
* @param *data Pointer to data on which the CRC should be calculated.
* @param len Data length.
*
* @return CRC32 value.
*
*/
u32_t crc32_ieee_update(u32_t crc, const u8_t *data, size_t len);
/**
* @}
*/
#endif