Tock capsule "Hello World"

accelerate.rs

pub struct Accelerate;

impl Accelerate {
    pub fn new() -> Accelerate {
        Accelerate
    }

    pub fn start(&self) {
        debug!("Hello World")
    }
}

boot_sequence.rs

let accelerate = static_init!(
            capsules::accelerate::Accelerate,
            capsules::accelerate::Accelerate::new());
accelerate.start();