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49 lines
1.6 KiB
49 lines
1.6 KiB
/*
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* Library: libcrc
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* Git: https://github.com/lammertb/libcrc
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* Author: Lammert Bies
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*
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* This file is licensed under the MIT License as stated below
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*
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* Copyright (c) 1999-2016 Lammert Bies
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* Copyright (c) 2020 Thomas A. Early, N7TAE
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Description
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* -----------
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* The source file contains routines which calculate the CCITT CRC
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* values for an incoming byte string.
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*/
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#pragma once
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#include <cstdint>
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#include <cstddef>
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class CM17CRC
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{
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public:
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CM17CRC();
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uint16_t CalcCRC(const uint8_t *buf, size_t len) const;
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private:
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uint16_t crc_tab16[256];
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};
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