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lib_crc.h
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/*******************************************************************\
* *
* Library : lib_crc *
* File : lib_crc.h *
* Author : Lammert Bies 1999-2008 *
* E-mail : [email protected] *
* Language : ANSI C *
* *
* *
* Description *
* =========== *
* *
* The file lib_crc.h contains public definitions and proto- *
* types for the CRC functions present in lib_crc.c. *
* *
* *
* Dependencies *
* ============ *
* *
* none *
* *
* *
* Modification history *
* ==================== *
* *
* Date Version Comment *
* *
* 2008-04-20 1.16 Added CRC-CCITT routine for Kermit *
* *
* 2007-04-01 1.15 Added CRC16 calculation for Modbus *
* *
* 2007-03-28 1.14 Added CRC16 routine for Sick devices *
* *
* 2005-12-17 1.13 Added CRC-CCITT with initial 0x1D0F *
* *
* 2005-02-14 1.12 Added CRC-CCITT with initial 0x0000 *
* *
* 2005-02-05 1.11 Fixed bug in CRC-DNP routine *
* *
* 2005-02-04 1.10 Added CRC-DNP routines *
* *
* 2005-01-07 1.02 Changes in tst_crc.c *
* *
* 1999-02-21 1.01 Added FALSE and TRUE mnemonics *
* *
* 1999-01-22 1.00 Initial source *
* *
\*******************************************************************/
#define CRC_VERSION "1.16"
#define FALSE 0
#define TRUE 1
unsigned short update_crc_16( unsigned short crc, char c );
unsigned long update_crc_32( unsigned long crc, char c );
unsigned short update_crc_ccitt( unsigned short crc, char c );
unsigned short update_crc_dnp( unsigned short crc, char c );
unsigned short update_crc_kermit( unsigned short crc, char c );
unsigned short update_crc_sick( unsigned short crc, char c, char prev_byte );
unsigned char update_crc8( unsigned char *crc, unsigned char m );