Embedded, Rust Programming Language, System Programming.
present in our crate's registry named cortex_m_rt which defines a custom entry point so we just need to provide #[entry] attribute to define entry point. To get the crate we need to add it to our Cargo.toml file: // Cargo.toml [dependencies] cortex-m-rt = "0.6.13" And main.rs will look like this: