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79 lines
4.3 KiB
C
79 lines
4.3 KiB
C
// clang-format off
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/*******************************************************************\
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* *
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* Library : lib_crc *
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* File : lib_crc.h *
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* Author : Lammert Bies 1999-2008 *
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* E-mail : info@lammertbies.nl *
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* Language : ANSI C *
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* *
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* *
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* Description *
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* =========== *
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* *
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* The file lib_crc.h contains public definitions and proto- *
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* types for the CRC functions present in lib_crc.c. *
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* *
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* *
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* Dependencies *
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* ============ *
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* *
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* none *
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* *
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* *
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* Modification history *
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* ==================== *
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* *
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* Date Version Comment *
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* *
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* 2008-04-20 1.16 Added CRC-CCITT routine for Kermit *
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* *
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* 2007-04-01 1.15 Added CRC16 calculation for Modbus *
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* *
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* 2007-03-28 1.14 Added CRC16 routine for Sick devices *
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* *
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* 2005-12-17 1.13 Added CRC-CCITT with initial 0x1D0F *
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* *
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* 2005-02-14 1.12 Added CRC-CCITT with initial 0x0000 *
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* *
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* 2005-02-05 1.11 Fixed bug in CRC-DNP routine *
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* *
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* 2005-02-04 1.10 Added CRC-DNP routines *
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* *
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* 2005-01-07 1.02 Changes in tst_crc.c *
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* *
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* 1999-02-21 1.01 Added FALSE and TRUE mnemonics *
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* *
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* 1999-01-22 1.00 Initial source *
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* *
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\*******************************************************************/
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#ifndef UTILS_HASH_LIB_CRC_HPP
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#define UTILS_HASH_LIB_CRC_HPP
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CRC_VERSION "1.16"
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#define CRC_FALSE 0
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#define CRC_TRUE 1
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unsigned short update_crc_16( unsigned short crc, char c );
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unsigned long update_crc_32( unsigned long crc, char c );
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unsigned short update_crc_ccitt( unsigned short crc, char c );
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unsigned short update_crc_dnp( unsigned short crc, char c );
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unsigned short update_crc_kermit( unsigned short crc, char c );
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unsigned short update_crc_sick( unsigned short crc, char c, char prev_byte );
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#ifdef __cplusplus
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}
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#endif
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#endif // UTILS_HASH_LIB_CRC_HPP
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