rtic/examples/t-spawn.rs

//! [compile-pass] Check code generation of `spawn`

#![deny(unsafe_code)]
#![deny(warnings)]
#![no_main]
#![no_std]

use panic_semihosting as _;

#[rtic::app(device = lm3s6965, dispatchers = [SSI0])]
mod app {
    use cortex_m_semihosting::debug;

    #[shared]
    struct Shared {}

    #[local]
    struct Local {}

    #[init]
    fn init(_: init::Context) -> (Shared, Local, init::Monotonics) {
        let _: Result<(), ()> = foo::spawn();
        let _: Result<(), u32> = bar::spawn(0);
        let _: Result<(), (u32, u32)> = baz::spawn(0, 1);

        debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator

        (Shared {}, Local {}, init::Monotonics())
    }

    #[idle]
    fn idle(_: idle::Context) -> ! {
        let _: Result<(), ()> = foo::spawn();
        let _: Result<(), u32> = bar::spawn(0);
        let _: Result<(), (u32, u32)> = baz::spawn(0, 1);

        loop {
            cortex_m::asm::nop();
        }
    }

    #[task(binds = SVCall)]
    fn svcall(_: svcall::Context) {
        let _: Result<(), ()> = foo::spawn();
        let _: Result<(), u32> = bar::spawn(0);
        let _: Result<(), (u32, u32)> = baz::spawn(0, 1);
    }

    #[task(binds = UART0)]
    fn uart0(_: uart0::Context) {
        let _: Result<(), ()> = foo::spawn();
        let _: Result<(), u32> = bar::spawn(0);
        let _: Result<(), (u32, u32)> = baz::spawn(0, 1);
    }

    #[task]
    fn foo(_: foo::Context) {
        let _: Result<(), ()> = foo::spawn();
        let _: Result<(), u32> = bar::spawn(0);
        let _: Result<(), (u32, u32)> = baz::spawn(0, 1);
    }

    #[task]
    fn bar(_: bar::Context, _x: u32) {}

    #[task]
    fn baz(_: baz::Context, _x: u32, _y: u32) {}
}