#![no_main] #![no_std] extern crate lm3s6965; extern crate panic_halt; extern crate rtfm; use rtfm::app; #[app(device = lm3s6965)] const APP: () = { #[init] fn init() {} #[exception] fn SysTick() { //~^ ERROR the `SysTick` exception can't be used because it's used by the runtime } };