Cyclic Redundancy Check (CRC), Frame Check Sequence (FCS)

Frame Check Sequence (FCS) = Cyclic Redundancy Check (CRC)

Blockprüfzeichenfolge (BPF)

CRC Implementation Code in C, very detailed description
Zyklische Redundanzprüfung
A Painless Guide to CRC Error Detection Algorithms


How do CRCs work?
Cyclic Redundancy Check ( incl. Examples and Step-By-Step Guide) – Computer Networks
CRC – Cyclic Redundancy Check
CRC error detection in embedded applications
CRC Implementation


CRC32: C Implemtierung OHNE Lookup-Table
CRC32 C or C++ implementation
CRC-CCITT Implementation
How is a CRC32 checksum calculated?

Only pure implementation

CRC library with routines to check for errors in the data transfer.


CRC-32 in different programming languages
crc32.c, Apple


CRC-16 Prüfsumme (serielle Übertragung),

Calculate / Test

Online CRC Calculator
On-line CRC calculation and free library
Calculate 16 bit and 32 bit CRC’s
Catalogue of parametrised CRC algorithms with 16 bits
Summary of the CRC Catalogue

GitHub, Cyclic Redundancy Check (CRC) algorithms (e.g. crc16ccitt, crc32) programmatically converted from C99 code generated by pycrc ( to Arduino C++ using namespaces and PROGMEM flash memory.

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