[avr-libc-dev] [bug #37901] CRC-CCITT calculation incorrect

[Joerg Wunsch]

Update of bug #37901 (project avr-libc):

                  Status:                    None => Invalid                
             Assigned to:                    None => joerg_wunsch           
             Open/Closed:                    Open => Closed                 

    _______________________________________________________

Follow-up Comment #1:

The function you describe is provided by
_crc_xmodem_update() in <util/crc16.h>.  It uses
the same polynomial as _crc_ccitt_update()
(x^16 + x^12 + x^5 + 1), but the opposite bit order.

_crc_ccitt_update() is known to work well together with
typical communication protocols that transmit the low-order
bit first, e.g. IEEE 802.15.4.

    _______________________________________________________

Reply to this item at:

  <http://savannah.nongnu.org/bugs/?37901>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.nongnu.org/