?? crc.hh
字號:
/* File: crc.hh */#ifndef __crc_hh__#define __crc_hh__// 16-Bit CRC checksum class:class Crc16 { static const uint16 polynomial; uint16 crc; public: Crc16 (void){ crc = 0xFFFF; } void add_bits(uint32 bitstring, uint32 length); // feed a bitstring to the crc calculation (0 < length <= 32) uint16 checksum (void){ // return the calculated checksum and erase it for next calls to add_bits() register uint16 sum = crc; crc = 0xFFFF; return sum; }};#endif
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