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chrysn 86dc086379 rust: Bring lock files in sync with toml files 
The riotmodules dependency was missed in bc8ec6d5, and while generally
it does not severly harm builds, it does harm builds riotdocker CI where
branches are switched, which is blocked by dirty files in the checkout.

The riot-wrappers version was missed when what is now 5e75f4bd was
rebased onto fdc4e11a.
2022-08-01 16:28:12 +02:00
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src rust: Make examples / tests use any Rust RIOT modules 2022-07-10 21:27:13 +02:00
Cargo.lock rust: Bring lock files in sync with toml files 2022-08-01 16:28:12 +02:00
Cargo.toml rust: Make examples / tests use any Rust RIOT modules 2022-07-10 21:27:13 +02:00
Makefile rust: Explicitly select nightly 2022-06-22 12:07:45 +02:00
README.md examples: Add Rust example 2021-12-16 13:29:30 +01:00

README.md

Hello World!

This is a basic example how to use Rust to write your RIOT application. It prints out the famous text Hello World!.

This example should foremost give you an overview how an application built completely in Rust is structured:

  • The Makefile resembles the regular application Makefile, see ../hello-world/ for more introduction to that.

  • The Cargo.toml file describes the Rust code, and declares its dependencies.

    Prominently, it contains a [lib] / crate-type = ["staticlib"] section, which is necessary for how RIOT later links together the C and Rust portions.

  • The file src/lib.rs (and any modules referenced by it) contain Rust code to be run.

    It uses the riot_main! macro provided by the riot-wrappers crate to declare the entry point of the program.

The code itself looks like the usual Rust hello-world example.