231b8518b7
Ken Pettit has submitted the ICLA and we can migrate the licenses to Apache. Sebastien Lorquet has submitted the ICLA and we can migrate the licenses to Apache. Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/****************************************************************************
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* include/crc8.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_CRC8_H
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#define __INCLUDE_CRC8_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/types.h>
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#include <stdint.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: crc8part
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*
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* Description:
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* Continue CRC calculation on a part of the buffer using the polynomial
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* x^8+x^6+x^3+x^2+1 (Koopman, et al. "0xA6" poly).
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*
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****************************************************************************/
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uint8_t crc8part(FAR const uint8_t *src, size_t len, uint8_t crc8val);
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/****************************************************************************
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* Name: crc8
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*
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* Description:
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* Return an 8-bit CRC of the contents of the 'src' buffer, length 'len'
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* using the polynomial x^8+x^6+x^3+x^2+1 (Koopman, et al. "0xA6" poly).
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*
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****************************************************************************/
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uint8_t crc8(FAR const uint8_t *src, size_t len);
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/****************************************************************************
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* Name: crc8ccitt
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*
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* Description:
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* Return an 8-bit CRC of the contents of the 'src' buffer, length 'len'
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* using the polynomial x^8+x^2+x^1+1 (aka "0x07" poly).
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*
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****************************************************************************/
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uint8_t crc8ccitt(FAR const uint8_t *src, size_t len);
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/****************************************************************************
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* Name: crc8part
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*
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* Description:
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* Continue CRC calculation on a part of the buffer using the polynomial
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* x^8+x^2+x^1+1 (aka "0x07" poly).
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*
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****************************************************************************/
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uint8_t crc8ccittpart(FAR const uint8_t *src, size_t len, uint8_t crc8val);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_CRC8_H */
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