rtic/tests/cfail/insufficient-free-interrupts.rs

#![no_main]
#![no_std]

extern crate lm3s6965;
extern crate panic_halt;
extern crate rtfm;

use rtfm::app;

#[app(device = lm3s6965)] //~ ERROR 1 free interrupt (`extern { .. }`) is required
const APP: () = {
    #[init]
    fn init(_: init::Context) {}

    #[task]
    fn foo(_: foo::Context) {}
};