ref: a1da754ee85d9f5b17f6f67a61945f4994565c9b
dir: /qw/crc.h/
void CRC_Init(unsigned short *crcvalue); void CRC_ProcessByte(unsigned short *crcvalue, byte data); unsigned short CRC_Value(unsigned short crcvalue); unsigned short CRC_Block (byte *start, int count);