MSP430实现循环冗余算法

/******************************************************************************

; Code for application report slaa221 - "CRC Implementation with MSP430"
;
; E.Lenchak
; Texas Instruments, Inc
; March 2004
; Built with IAR Embedded Workbench Version: 3.20A
;******************************************************************************
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/**********************************************************************************
FUNCTIONS: 16/32-bit CRC Algorithms, bitwsie and table methods
ARGUMENTS: "bitwise algorithm function signature"
return: CRC
arg1: CRC init value
arg2: CRC generator polynomial
arg3: pointer to the message
arg4: size of message in bytes

"table-based algorithm function signature"
return: CRC
arg1: CRC init value
arg2: pointer to CRC table (specific to generator polynomial)
arg3: pointer to the message
arg4: size of message in bytes
***********************************************************************************/