https://github.com/solidsnack/sonnenbrille

Rust implementation of CRC-8 with user-configurable polynomial
https://github.com/solidsnack/sonnenbrille

Last synced: about 1 month ago
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Rust implementation of CRC-8 with user-configurable polynomial

• Host: GitHub
• URL: https://github.com/solidsnack/sonnenbrille
• Owner: solidsnack
• Created: 2021-10-21T01:43:48.000Z (about 3 years ago)
• Default Branch: master
• Last Pushed: 2023-12-11T21:31:54.000Z (about 1 year ago)
• Last Synced: 2024-10-31T11:58:55.071Z (about 2 months ago)
• Language: Rust
• Size: 7.81 KB
• Stars: 0
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Sonnenbrille

*["Son­nen­bril­le, die -- Brille mit dunkel getönten Gläsern, die die

Augen vor zu starker Helligkeit des Sonnenlichts schützen soll"][sb]*

-- Duden

[sb]: https://www.duden.de/rechtschreibung/Sonnenbrille

*"Sunglasses, feminine -- Glasses with dark-toned lenses, that protect

the eyes from bright sunlight"*

There are many articles, references and online resources for the Cyclic

Redundancy Check, but I was surprised and greatly helped by the clarity

and comprehensiveness of [Sunshine 2K][s2k]'s

*[Understanding and implementing CRC (Cyclic Redundancy Check)

calculation][U]*. Along with the author's [online implementation][JS],

this illuminating article made it possible for me to understand,

implement and test an 8-bit CRC calculator in Rust.

[s2k]: http://www.sunshine2k.de/

[U]: http://www.sunshine2k.de/articles/coding/crc/understanding_crc.html

[JS]: http://www.sunshine2k.de/coding/javascript/crc/crc_js.html

```rs

extern crate sonnenbrille;

use sonnenbrille::CRC8;

fn crc8(num: u32): u8 {

    let calculator = CRC8::default();

    return calculator.of(&num.to_be_bytes(), 0x00);

}

fn main() {

    let num: u32 = 0x31313233;

    let calculator = CRC8::default();

    let checksum = calculator.of(&num.to_be_bytes(), 0x00);

    assert_eq!(checksum, 0x7F);

}

```