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56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
#pragma once
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//
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// FILE: CRC.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.3.2
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// PURPOSE: Arduino library for CRC8, CRC12, CRC16, CRC16-CCITT, CRC32, CRC64
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// URL: https://github.com/RobTillaart/CRC
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//
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#include "Arduino.h"
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#include "CRC_polynomes.h"
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#define CRC_LIB_VERSION (F("0.3.2"))
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////////////////////////////////////////////////////////////////
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//
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// fast reverse from bitHelper library
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//
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uint8_t reverse8(uint8_t in);
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uint16_t reverse16(uint16_t in);
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uint16_t reverse12(uint16_t in);
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uint32_t reverse32(uint32_t in);
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uint64_t reverse64(uint64_t in);
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///////////////////////////////////////////////////////////////////////////////////
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// CRC POLYNOME = x8 + x5 + x4 + 1 = 1001 1000 = 0x8C
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uint8_t crc8(const uint8_t *array, uint16_t length, const uint8_t polynome = 0xD5, const uint8_t startmask = 0x00, const uint8_t endmask = 0x00, const bool reverseIn = false, const bool reverseOut = false);
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// CRC POLYNOME = x12 + x3 + x2 + 1 = 0000 1000 0000 1101 = 0x80D
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uint16_t crc12(const uint8_t *array, uint16_t length, const uint16_t polynome = 0x80D, const uint16_t startmask = 0x0000, const uint16_t endmask = 0x0000, const bool reverseIn = false, const bool reverseOut = false);
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// CRC POLYNOME = x15 + 1 = 1000 0000 0000 0001 = 0x8001
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uint16_t crc16(const uint8_t *array, uint16_t length, const uint16_t polynome = 0x8001, const uint16_t startmask = 0x0000, const uint16_t endmask = 0x0000, const bool reverseIn = false, const bool reverseOut = false);
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// CRC-CCITT POLYNOME = x13 + X5 + 1 = 0001 0000 0010 0001 = 0x1021
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uint16_t crc16_CCITT(uint8_t *array, uint16_t length);
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// CRC-32 POLYNOME = x32 + ..... + 1
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uint32_t crc32(const uint8_t *array, uint16_t length, const uint32_t polynome = 0x04C11DB7, const uint32_t startmask = 0, const uint32_t endmask = 0, const bool reverseIn = false, const bool reverseOut = false);
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// CRC-CCITT POLYNOME = x64 + ..... + 1
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// CRC_ECMA64 = 0x42F0E1EBA9EA3693
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uint64_t crc64(const uint8_t *array, uint16_t length, const uint64_t polynome = 0x42F0E1EBA9EA3693, const uint64_t startmask = 0, const uint64_t endmask = 0, const bool reverseIn = false, const bool reverseOut = false);
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// -- END OF FILE --
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