FastCRCsw.cpp File Reference

#include "FastCRC.h"
#include "FastCRC_tables.hpp"

Include dependency graph for FastCRCsw.cpp:

Go to the source code of this file.

Macros
#define	crc_n4(crc, data, table)
#define	crc_n4d(crc, data, table)
#define	CRC_TABLE_CRC32   crc_table_crc32
#define	crcsm_n4d(crc, data, table)

Macro Definition Documentation

#define crc_n4	(		crc,
			data,
			table
	)

Value:

crc ^= data;                                                                 \
  crc = (table[(crc & 0xff) + 0x300]) ^ (table[((crc >> 8) & 0xff) + 0x200]) ^ \
        (table[((data >> 16) & 0xff) + 0x100]) ^ (table[data >> 24]);

Definition at line 45 of file FastCRCsw.cpp.

#define crc_n4d	(		crc,
			data,
			table
	)

Value:

crc ^= data;                                                                 \
  crc = (table[(crc & 0xff) + 0x300]) ^ (table[((crc >> 8) & 0xff) + 0x200]) ^ \
        (table[((crc >> 16) & 0xff) + 0x100]) ^ (table[(crc >> 24) & 0xff]);

Definition at line 87 of file FastCRCsw.cpp.

#define CRC_TABLE_CRC32   crc_table_crc32

CRC32 Alias CRC-32/ADCCP, PKZIP, Ethernet, 802.3

Parameters

data	Pointer to Data
datalen	Length of Data

Returns

CRC value

Definition at line 108 of file FastCRCsw.cpp.

#define crcsm_n4d	(		crc,
			data,
			table
	)

Value:

crc ^= data;                            \
  crc = (crc >> 8) ^ (table[crc & 0xff]); \
  crc = (crc >> 8) ^ (table[crc & 0xff]); \
  crc = (crc >> 8) ^ (table[crc & 0xff]); \
  crc = (crc >> 8) ^ (table[crc & 0xff]);

Definition at line 92 of file FastCRCsw.cpp.