ref: ac7e6ac77f7eaa31be48c79a18b28f41e6ee9c22
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);