fastcrc.h

EMU_FTAbox_ref441328_code_source ali m3327

/****************************************************************************
*
*  ALi 
*
*  File: fastCRC.h
*
*  Description: Fast CRC function head file
*             
*  History:
*      Date        		Author         	Version   	Comment
*      ====        	      ======         	=======   	=======
*  	2000.7.13	         Justin wood
*
****************************************************************************/


#ifndef	__MG_CRC_H
#define __MG_CRC_H

#ifdef __cplusplus
extern "C"
{
#endif

/********************************** Var announce *************************************/
/* FCS fast lookup table:	in	"fastCRC.c"*/
//extern unsigned int MG_CRC_Table[256]; 

/********************************** Function announce *******************************/
/* From "len" length "buffer" data get CRC, "crc" is preset value of crc*/
unsigned int MG_Compute_CRC(register unsigned int crc,register unsigned char *bufptr,register int len);

/* Setup fast CRC compute table*/
void MG_Setup_CRC_Table();

/* Fast CRC compute*/
unsigned int MG_Table_Driven_CRC(register unsigned int crc,register unsigned char *bufptr,register int len);

/* FCS coder */
void MG_FCS_Coder(unsigned char *pucInData,int len);

/* FCS decoder */
int MG_FCS_Decoder(unsigned char *pucInData,int len);

#ifdef __cplusplus
}
#endif

#endif	/* __MG_CRC_H */
/**************************************** END *************************************/