#i2c #io #hal #mcp23017 #mcp23008

no-std mcp230xx

MCP23008/MCP23017 8/16-Bit I2C I/O Expander with I2C Interface

2 releases (1 stable)

1.0.0 Mar 23, 2023
0.1.0 Aug 5, 2022

#1708 in Embedded development

Download history 231/week @ 2023-11-29 49/week @ 2023-12-06 52/week @ 2023-12-13 33/week @ 2023-12-20 27/week @ 2023-12-27 83/week @ 2024-01-03 167/week @ 2024-01-10 107/week @ 2024-01-17 91/week @ 2024-01-24 59/week @ 2024-01-31 85/week @ 2024-02-07 103/week @ 2024-02-14 188/week @ 2024-02-21 135/week @ 2024-02-28 148/week @ 2024-03-06 71/week @ 2024-03-13

561 downloads per month
Used in 2 crates

MIT license

12KB
217 lines

mcp230xx

This crate is a no_std driver for the MCP23017 and MCP23008 16-Bit/8-Bit I2C I/O Expanders.

Build Status crates.io Docs

Basic usage

Include this library as a dependency in your Cargo.toml:

[dependencies]
mcp230xx = "0.1"

Use embedded-hal implementation to get I2C handle and then create mcp23017 handle:

use mcp230xx::*;

let pin = Mcp23017::A0;
let mut u = Mcp230xx<I2C, Mcp23017>::default(i2c).unwrap();
u.set_direction(pin, Direction::Output).unwrap();
u.set_gpio(pin, Level::High).unwrap();
assert!(u.gpio(pin).unwrap());

Hardware address pins

Address table

Documentation

API Docs available on docs.rs

Thise crate has evolved from mcp23017.

Minimum supported Rust version (MSRV) is 1.62.0.

License

MIT license

Dependencies

~1.5MB
~35K SLoC