crc.h File Reference

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Defines
#define	TBL_MEM
#define	CRC_MSG_MAXSIZE   70
#define	CRC_TABLE_SIZE   256
#define	CRC_TEST_SEQ   "123456789"
#define	CRC16_CHECK   0xFEE8
#define	CRC16R_CHECK   0xBB3D
#define	CRC32_CHECK   0xFC891918
#define	CRC32R_CHECK   0xCBF43926
#define	CRC16R_POLY   0xA001
#define	CRC16R_INIT_REM   0x0
#define	CRC16R_FINAL_XOR   0x0
#define	CRC16_POLY   0x1021
#define	CRC16_POLY_REF
#define	CRC16_INIT_REM   0x0
#define	CRC16_FINAL_XOR   0x0
#define	CRC32_POLY   0x04C11DB7
#define	CRC32_INIT_REM   0xFFFFFFFF
#define	CRC32_FINAL_XOR   0xFFFFFFFF
#define	CRC32R_POLY   0xEDB88320
#define	CRC32R_INIT_REM   0xFFFFFFFF
#define	CRC32R_FINAL_XOR   0xFFFFFFFF
Functions
unsigned short	mvk_Make_Bitwise_Crc16 (unsigned short crc, unsigned short poly, unsigned char *pmsg, unsigned int msg_size)
	Perform a 16 bit CRC in software.
unsigned short	mvk_Make_Bitwise_Crc16_2 (unsigned short crc, unsigned short poly, unsigned char *pmsg, unsigned int msg_size)
	Perform a 16 bit CRC in software.
unsigned long	mvk_Make_Bitwise_Crc32 (unsigned long crc, unsigned long poly, unsigned char *pmsg, unsigned int msg_size)
	Perform a 32 bit CRC in software.
unsigned long	mvk_Make_Bitwise_Crc32_2 (unsigned long crc, unsigned long poly, unsigned char *pmsg, unsigned int msg_size)
	Perform a 32 bit CRC in software.

---

Define Documentation

#define CRC16_CHECK   0xFEE8

#define CRC16_FINAL_XOR   0x0

#define CRC16_INIT_REM   0x0

#define CRC16_POLY   0x1021

#define CRC16_POLY_REF

#define CRC16R_CHECK   0xBB3D

#define CRC16R_FINAL_XOR   0x0

#define CRC16R_INIT_REM   0x0

#define CRC16R_POLY   0xA001

#define CRC32_CHECK   0xFC891918

#define CRC32_FINAL_XOR   0xFFFFFFFF

#define CRC32_INIT_REM   0xFFFFFFFF

#define CRC32_POLY   0x04C11DB7

#define CRC32R_CHECK   0xCBF43926

#define CRC32R_FINAL_XOR   0xFFFFFFFF

#define CRC32R_INIT_REM   0xFFFFFFFF

#define CRC32R_POLY   0xEDB88320

#define CRC_MSG_MAXSIZE   70

#define CRC_TABLE_SIZE   256

#define CRC_TEST_SEQ   "123456789"

#define TBL_MEM

---

Function Documentation

unsigned short mvk_Make_Bitwise_Crc16	(	unsigned short	crc,
		unsigned short	poly,
		unsigned char *	pmsg,
		unsigned int	msg_size
	)

Perform a 16 bit CRC in software.

This function performs a 16 bit CRC on the data block using the polynomial provided.

Parameters:

[in]	crc	CRC init value
[in]	poly	CRC generator polynomial
[in]	*pmsg	Pointer to the block of data on which we will perform the CRC
[in]	msg_size	Number of bytes in the CRC data block

Returns:

16 bit CRC value

Perform a 16 bit CRC in software.

This function performs a 16 bit CRC on the data block using the polynomial provided.

Parameters:

[in]	crc	CRC init value
[in]	poly	CRC generator polynomial
[in]	*pmsg	Pointer to the block of data on which we will perform the CRC
[in]	msg_size	Number of bytes in the CRC data block

Returns:

16 bit CRC value

unsigned short mvk_Make_Bitwise_Crc16_2	(	unsigned short	crc,
		unsigned short	poly,
		unsigned char *	pmsg,
		unsigned int	msg_size
	)

Perform a 16 bit CRC in software.

This is a C optimized version of the algorithm that performs a 16 bit CRC on the data block using the polynomial provided.

Parameters:

[in]	crc	CRC init value
[in]	poly	CRC generator polynomial
[in]	*pmsg	Pointer to the block of data on which we will perform the CRC
[in]	msg_size	Number of bytes in the CRC data block

Returns:

16 bit CRC value

unsigned long mvk_Make_Bitwise_Crc32	(	unsigned long	crc,
		unsigned long	poly,
		unsigned char *	pmsg,
		unsigned int	msg_size
	)

Perform a 32 bit CRC in software.

This function performs a 32 bit CRC on the data block using the polynomial provided.

Parameters:

[in]	crc	CRC init value
[in]	poly	CRC generator polynomial
[in]	*pmsg	Pointer to the block of data on which we will perform the CRC
[in]	msg_size	Number of bytes in the CRC data block

Returns:

32 bit CRC value

unsigned long mvk_Make_Bitwise_Crc32_2	(	unsigned long	crc,
		unsigned long	poly,
		unsigned char *	pmsg,
		unsigned int	msg_size
	)

Perform a 32 bit CRC in software.

* This is a C optimized version of the algorithm that performs a 32 bit CRC on the data block using the polynomial provided.

Parameters:

[in]	crc	CRC init value
[in]	poly	CRC generator polynomial
[in]	*pmsg	Pointer to the block of data on which we will perform the CRC
[in]	msg_size	Number of bytes in the CRC data block

Returns:

32 bit CRC value