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43 lines
1.4 KiB
43 lines
1.4 KiB
/******************************************************************************
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*
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* Copyright (C) 2018 ST Microelectronics S.A.
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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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*
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******************************************************************************/
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#ifndef ISO13239CRC_H_
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#define ISO13239CRC_H_
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//************************************ Defines *********************************
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#define CRC_PRESET 0xFFFF
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#define CRC_POLYNOMIAL 0x8408
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#include <stdint.h>
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//************************************ Structs *********************************
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//************************************ Functions *******************************
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/**
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* Computes the 16-bit CRC of the specified function.
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*
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* @param data The data to compute the CRC over.
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* @param len The length of the data.
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*
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* @return The CRC of the data. -1 if something went wrong.
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*/
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uint16_t computeCrc(uint8_t *data, int len);
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#endif /* ISO13239CRC_H_ */
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