juno_ccitt32.c

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#include "juno/crc/crc.h"
#include "ccitt32.h"
#include <stdio.h>
 
uint32_t Juno_CrcCcitt32Update(uint32_t iCrc, const void *pcData, size_t zDataSize)
{
 
    register uint32_t crc = iCrc;
    register const uint8_t *cp = pcData;
    register size_t cnt = zDataSize;
 
    while(cnt--) {
    crc=((crc<<8)&M2_32)^ccitt32_crctab[((crc>>24)&0xff)^*cp++];
    }
 
    return(crc);
}