Микроконтроллеры

WORD CRC( UCHAR byte, WORD crc)

{

register UCHAR carry, s0_7, s8_15;



      carry = (crc >> 8) ^ byte;

      carry = carry ^ (carry>>4);

      s8_15 = crc ^ (carry<<4) ^ (carry>>3);

      s0_7 = carry ^ (carry<<5);

      

      return (s8_15<<8) ^ (s0_7 & 0xff) ;

}