crcccitt.h File Reference

#include "orp.h"

Go to the source code of this file.

Macros
#define	CRC_POLY_16   0xA001
#define	CRC_POLY_32   0xEDB88320ul
#define	CRC_POLY_64   0x42F0E1EBA9EA3693ull
#define	CRC_POLY_CCITT   0x1021
#define	CRC_POLY_DNP   0xA6BC
#define	CRC_POLY_KERMIT   0x8408
#define	CRC_POLY_SICK   0x8005
#define	CRC_START_8   0x00
#define	CRC_START_16   0x0000
#define	CRC_START_MODBUS   0xFFFF
#define	CRC_START_XMODEM   0x0000
#define	CRC_START_CCITT_1D0F   0x1D0F
#define	CRC_START_CCITT_FFFF   0xFFFF
#define	CRC_START_KERMIT   0x0000
#define	CRC_START_SICK   0x0000
#define	CRC_START_DNP   0x0000
#define	CRC_START_32   0xFFFFFFFFul
#define	CRC_START_64_ECMA   0x0000000000000000ull
#define	CRC_START_64_WE   0xFFFFFFFFFFFFFFFFull

Functions
unsigned char *	checksum_NMEA (const unsigned char *input_str, unsigned char *result)
uint8_t	crc_8 (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_16 (const unsigned char *input_str, size_t num_bytes)
uint32_t	crc_32 (const unsigned char *input_str, size_t num_bytes)
uint64_t	crc_64_ecma (const unsigned char *input_str, size_t num_bytes)
uint64_t	crc_64_we (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_ccitt_1d0f (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_ccitt_ffff (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_dnp (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_kermit (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_modbus (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_sick (const unsigned char *input_str, size_t num_bytes)
uint16_t	crc_xmodem (const unsigned char *input_str, size_t num_bytes)
uint8_t	update_crc_8 (uint8_t crc, unsigned char c)
uint16_t	update_crc_16 (uint16_t crc, unsigned char c)
uint32_t	update_crc_32 (uint32_t crc, unsigned char c)
uint64_t	update_crc_64_ecma (uint64_t crc, unsigned char c)
uint16_t	update_crc_ccitt (uint16_t crc, unsigned char c)
uint16_t	update_crc_dnp (uint16_t crc, unsigned char c)
uint16_t	update_crc_kermit (uint16_t crc, unsigned char c)
uint16_t	update_crc_sick (uint16_t crc, unsigned char c, unsigned char prev_byte)

Variables
const uint32_t	crc_tab32 []
const uint64_t	crc_tab64 []

Macro Definition Documentation

CRC_POLY_16

#define CRC_POLY_16   0xA001

CRC_POLY_32

#define CRC_POLY_32   0xEDB88320ul

CRC_POLY_64

#define CRC_POLY_64   0x42F0E1EBA9EA3693ull

CRC_POLY_CCITT

#define CRC_POLY_CCITT   0x1021

CRC_POLY_DNP

#define CRC_POLY_DNP   0xA6BC

CRC_POLY_KERMIT

#define CRC_POLY_KERMIT   0x8408

CRC_POLY_SICK

#define CRC_POLY_SICK   0x8005

CRC_START_16

#define CRC_START_16   0x0000

CRC_START_32

#define CRC_START_32   0xFFFFFFFFul

CRC_START_64_ECMA

#define CRC_START_64_ECMA   0x0000000000000000ull

CRC_START_64_WE

#define CRC_START_64_WE   0xFFFFFFFFFFFFFFFFull

CRC_START_8

#define CRC_START_8   0x00

CRC_START_CCITT_1D0F

#define CRC_START_CCITT_1D0F   0x1D0F

CRC_START_CCITT_FFFF

#define CRC_START_CCITT_FFFF   0xFFFF

CRC_START_DNP

#define CRC_START_DNP   0x0000

CRC_START_KERMIT

#define CRC_START_KERMIT   0x0000

CRC_START_MODBUS

#define CRC_START_MODBUS   0xFFFF

CRC_START_SICK

#define CRC_START_SICK   0x0000

CRC_START_XMODEM

#define CRC_START_XMODEM   0x0000

Function Documentation

checksum_NMEA()

unsigned char* checksum_NMEA	(	const unsigned char *	input_str,
		unsigned char *	result
	)

crc_16()

uint16_t crc_16	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_32()

uint32_t crc_32	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_64_ecma()

uint64_t crc_64_ecma	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_64_we()

uint64_t crc_64_we	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_8()

uint8_t crc_8	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_ccitt_1d0f()

uint16_t crc_ccitt_1d0f	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_ccitt_ffff()

uint16_t crc_ccitt_ffff	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_dnp()

uint16_t crc_dnp	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_kermit()

uint16_t crc_kermit	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_modbus()

uint16_t crc_modbus	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_sick()

uint16_t crc_sick	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

crc_xmodem()

uint16_t crc_xmodem	(	const unsigned char *	input_str,
		size_t	num_bytes
	)

update_crc_16()

uint16_t update_crc_16	(	uint16_t	crc,
		unsigned char	c
	)

update_crc_32()

uint32_t update_crc_32	(	uint32_t	crc,
		unsigned char	c
	)

update_crc_64_ecma()

uint64_t update_crc_64_ecma	(	uint64_t	crc,
		unsigned char	c
	)

update_crc_8()

uint8_t update_crc_8	(	uint8_t	crc,
		unsigned char	c
	)

update_crc_ccitt()

uint16_t update_crc_ccitt	(	uint16_t	crc,
		unsigned char	c
	)

update_crc_dnp()

uint16_t update_crc_dnp	(	uint16_t	crc,
		unsigned char	c
	)

update_crc_kermit()

uint16_t update_crc_kermit	(	uint16_t	crc,
		unsigned char	c
	)

update_crc_sick()

uint16_t update_crc_sick	(	uint16_t	crc,
		unsigned char	c,
		unsigned char	prev_byte
	)

Variable Documentation

crc_tab32

const uint32_t crc_tab32[]

crc_tab64

const uint64_t crc_tab64[]