Tutorial: Embedded Rust
Developing on microcontrollers in Rust by example of RIOT OS. FrOSCon 19, 2024-08-18, RIOT devroom.
Plan
- Short intro
- First Rust exercises based on RIOT
- Port applications microbit-v2 on and off RIOT
You?
Background: RIOT, Rust
RIOT: Free operating system, embedded systems
Modular, efficient, reactive, community managed
Rust: High level programming language
no_std, types & traits, async
Traits for embedded systems
More on https://github.com/rust-embedded/awesome-embedded-rust
Background: Targets
- RIOT OS
- Bare Metal
- embassy: Asynchronous framework
- Other OSes <https://arewertosyet.com/>, RIOT-rs
Exercises
- WiFi: hack_n_ack / ThefriendlyOSfortheIoT
- URI: https://riot-raspi-XXXXXX:8080/
- Credentials: pi / riottutorial
Anatomy of a Rust application on RIOT
- Files
- Build mechanism
Let's Play
Tasks
- rust01-hello-world: Just flash and see
- rust02-timers: Loops to adjust, run code in interrupts
- (rust03-shell: Explore interactiveness)
- (rust04-saul: Explore sensors and RGB LEDs)
Tasks II
https://github.com/chrysn/RIOT-exercises/tree/2024-rust-tutorial
- rust05-gpio (skip task 2): Access GPIOs, use abstractions
- Run on microbit-v2 using RIOT-rs
- Run on microbit-v2 without an OS