⇤ ← Revision 1 as of 2013-10-17 10:49:41
Size: 385
Comment:
|
Size: 554
Comment:
|
Deletions are marked like this. | Additions are marked like this. |
Line 7: | Line 7: |
== HDLC like framing == The http://www.ietf.org/rfc/rfc1662.txt has two examples of CRC calculations. Polynom CRC-16: 0x8408 |
|
Line 10: | Line 15: |
Polynom: x^16^ + x^15^ + x^2^ + 1 |
CRC
A cyclic redundancy check (CRC) is an error-detecting code.
http://en.wikipedia.org/wiki/Cyclic_redundancy_check http://en.wikipedia.org/wiki/Computation_of_cyclic_redundancy_checks
HDLC like framing
The http://www.ietf.org/rfc/rfc1662.txt has two examples of CRC calculations.
Polynom CRC-16: 0x8408
CRC-16-IBM
Bisync, Modbus, USB, ANSI X3.28, SIA DC-07, many others; also known as CRC-16 and CRC-16-ANSI
Polynom: x16 + x15 + x2 + 1
Normal |
Reversed |
Reversed reciprocal |
0x8005 |
0xA001 |
0xC002 |