crc.cpp File Reference

#include "crc.h"
#include <lar/lar.h>

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Defines
#define	P_16   0xA001
#define	P_32   0xEDB88320L
#define	P_CCITT   0x1021
#define	P_DNP   0xA6BC
#define	P_KERMIT   0x8408
#define	P_SICK   0x8005
Functions
static void	init_crc16_tab (void)
static void	init_crc32_tab (void)
static void	init_crcccitt_tab (void)
static void	init_crcdnp_tab (void)
static void	init_crckermit_tab (void)
unsigned short	update_crc_ccitt (unsigned short crc, unsigned char c)
unsigned short	update_crc_sick (unsigned short crc, char c, char prev_byte)
unsigned short	update_crc_16 (unsigned short crc, char c)
unsigned short	update_crc_kermit (unsigned short crc, char c)
unsigned short	update_crc_dnp (unsigned short crc, char c)
unsigned long	update_crc_32 (unsigned long crc, char c)
Variables
static int	crc_tab16_init = FALSE
static int	crc_tab32_init = FALSE
static int	crc_tabccitt_init = FALSE
static int	crc_tabdnp_init = FALSE
static int	crc_tabkermit_init = FALSE
static unsigned short	crc_tab16 [256]
static unsigned long	crc_tab32 [256]
static unsigned short	crc_tabccitt [256]
static unsigned short	crc_tabdnp [256]
static unsigned short	crc_tabkermit [256]

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Define Documentation

#define P_16   0xA001

Referenced by init_crc16_tab().

#define P_32   0xEDB88320L

Referenced by init_crc32_tab().

#define P_CCITT   0x1021

Referenced by init_crcccitt_tab().

#define P_DNP   0xA6BC

Referenced by init_crcdnp_tab().

#define P_KERMIT   0x8408

Referenced by init_crckermit_tab().

#define P_SICK   0x8005

Referenced by update_crc_sick().

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Function Documentation

static void init_crc16_tab

(

void

)

[static]

References c, crc_tab16, crc_tab16_init, i, P_16, and TRUE.

Referenced by update_crc_16().

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static void init_crc32_tab

(

void

)

[static]

References crc_tab32, crc_tab32_init, i, P_32, and TRUE.

Referenced by update_crc_32().

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static void init_crcccitt_tab

(

void

)

[static]

References c, crc_tabccitt, crc_tabccitt_init, i, P_CCITT, and TRUE.

Referenced by update_crc_ccitt().

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static void init_crcdnp_tab

(

void

)

[static]

References c, crc_tabdnp, crc_tabdnp_init, i, P_DNP, and TRUE.

Referenced by update_crc_dnp().

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static void init_crckermit_tab

(

void

)

[static]

References c, crc_tabkermit, crc_tabkermit_init, i, P_KERMIT, and TRUE.

Referenced by update_crc_kermit().

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Variable Documentation

unsigned short crc_tab16[256] [static]

Referenced by init_crc16_tab(), and update_crc_16().

int crc_tab16_init = FALSE [static]

Referenced by init_crc16_tab(), and update_crc_16().

unsigned long crc_tab32[256] [static]

Referenced by init_crc32_tab(), and update_crc_32().

int crc_tab32_init = FALSE [static]

Referenced by init_crc32_tab(), and update_crc_32().

unsigned short crc_tabccitt[256] [static]

Referenced by init_crcccitt_tab(), and update_crc_ccitt().

int crc_tabccitt_init = FALSE [static]

Referenced by init_crcccitt_tab(), and update_crc_ccitt().

unsigned short crc_tabdnp[256] [static]

Referenced by init_crcdnp_tab(), and update_crc_dnp().

int crc_tabdnp_init = FALSE [static]

Referenced by init_crcdnp_tab(), and update_crc_dnp().

unsigned short crc_tabkermit[256] [static]

Referenced by init_crckermit_tab(), and update_crc_kermit().

int crc_tabkermit_init = FALSE [static]

Referenced by init_crckermit_tab(), and update_crc_kermit().