40 lines
968 B
C++
40 lines
968 B
C++
/*
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* Copyright (C) 2009,2011,2014 by Jonathan Naylor, G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef CCITTChecksumReverse_H
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#define CCITTChecksumReverse_H
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#include <stdint.h>
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class CCCITTChecksumReverse {
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public:
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CCCITTChecksumReverse();
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~CCCITTChecksumReverse();
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void update(const unsigned char* data, unsigned int length);
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void result(unsigned char* data);
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bool check(const unsigned char* data);
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void reset();
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private:
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union {
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uint16_t m_crc16;
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uint8_t m_crc8[2U];
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};
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};
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#endif
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