Extracting a range of bits from binary data
To help developing applications, which extract bit level data from a binary source such as spacecraft telemetry
Experimental
This crate is published at crates.io. The detailed documentation is available at docs.rs/bitlab
0.1.1
Just add the following line under [dependencies] to your Cargo.toml file
bitlab = "0.1.1"
To extract 3 bits starting at bit index 5 within a byte (0xFF) and interpret them as an unsigned integer
rust
use bitlab::*;
let a = 0xFFu8;
let b = a.get_u8(5, 3).unwrap();
assert_eq!(b, 7);
The data source is a vector of u8 types. We want to go to byte offset 1, bit offset 7 and starting from there extract 3 bits as an u16
rust
use bitlab::*;
let v: Vec<u8> = vec!{ 0x48, 0x61, 0x6C, 0x6C, 0x6F }; // = "Hallo"
let bar = u16(&v, 1, 7, 3); // relevant bytes = 0x616C = 0b0110000 --> 101 <-- 101100
assert_eq!(bar.unwrap(), 5);