10.11.2012 Views

RFID Data Model for Libraries - biblstandard

RFID Data Model for Libraries - biblstandard

RFID Data Model for Libraries - biblstandard

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

<strong>RFID</strong> <strong>Data</strong> model <strong>for</strong> libraries Doc 067<br />

Annex D<br />

Cyclic Redundancy Check (CRC)<br />

Example of CRC calculations:<br />

String: "<strong>RFID</strong> tag data model" gives hex(1AEE) that will be encoded with EE at the<br />

lowest memory location and 1A at the next memory location<br />

Example code <strong>for</strong> CRC calculations:<br />

const int crc_poly=0x1021;<br />

int crc_sum;<br />

void update_crc(int c)<br />

{<br />

int i;<br />

bool xor_flag;<br />

c

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!