mirror of https://github.com/ARMmbed/mbed-os.git
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* Copyright (c) 2015-2020, Pelion and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _NS_CRC_H_
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#define _NS_CRC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/// @todo documentation
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/** same as crc16_ibm */
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uint16_t crc16_ansi(uint8_t *message, int nBytes);
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uint16_t crc16_ccitt(uint8_t *message, int nBytes);
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/**
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* @param data data which crc will be calculate
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* @param data_length Length of data pointer
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* @param polynomial Polynomial which will be used to calculate CRC, POLYNOMIAL_CRC15_CCIT, POLYNOMIAL_CRC15_ANSI
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* @return Calculated 16bit CRC value
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*/
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uint16_t crc16_calc(uint8_t *data, uint16_t data_length, uint16_t polynomial);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NS_CRC_H_ */
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