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- /****************************************************************************
- * include/crc8.h
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership. The
- * ASF licenses this file to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations
- * under the License.
- *
- ****************************************************************************/
- #ifndef __INCLUDE_CRC8_H
- #define __INCLUDE_CRC8_H
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <sys/types.h>
- #include <stdint.h>
- /****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
- #ifdef __cplusplus
- #define EXTERN extern "C"
- extern "C"
- {
- #else
- #define EXTERN extern
- #endif
- /****************************************************************************
- * Name: crc8part
- *
- * Description:
- * Continue CRC calculation on a part of the buffer using the polynomial
- * x^8+x^6+x^3+x^2+1 (Koopman, et al. "0xA6" poly).
- *
- ****************************************************************************/
- uint8_t crc8part(FAR const uint8_t *src, size_t len, uint8_t crc8val);
- /****************************************************************************
- * Name: crc8
- *
- * Description:
- * Return an 8-bit CRC of the contents of the 'src' buffer, length 'len'
- * using the polynomial x^8+x^6+x^3+x^2+1 (Koopman, et al. "0xA6" poly).
- *
- ****************************************************************************/
- uint8_t crc8(FAR const uint8_t *src, size_t len);
- /****************************************************************************
- * Name: crc8table
- *
- * Description:
- * Return a 8-bit CRC of the contents of the 'src' buffer, length 'len'
- * using a CRC with crc table used for calculation.
- *
- ****************************************************************************/
- uint8_t crc8table(const uint8_t table[256], const uint8_t *src,
- size_t len, uint8_t crc8val);
- /****************************************************************************
- * Name: crc8ccitt
- *
- * Description:
- * Return an 8-bit CRC of the contents of the 'src' buffer, length 'len'
- * using the polynomial x^8+x^2+x^1+1 (aka "0x07" poly).
- *
- ****************************************************************************/
- uint8_t crc8ccitt(FAR const uint8_t *src, size_t len);
- /****************************************************************************
- * Name: crc8part
- *
- * Description:
- * Continue CRC calculation on a part of the buffer using the polynomial
- * x^8+x^2+x^1+1 (aka "0x07" poly).
- *
- ****************************************************************************/
- uint8_t crc8ccittpart(FAR const uint8_t *src, size_t len, uint8_t crc8val);
- #undef EXTERN
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCLUDE_CRC8_H */
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