//! examples/idle.rs #![deny(unsafe_code)] #![deny(warnings)] #![no_main] #![no_std] use cortex_m_semihosting::{debug, hprintln}; use panic_semihosting as _; #[rtic::app(device = lm3s6965)] const APP: () = { #[init] fn init(_: init::Context) { hprintln!("init").unwrap(); } #[idle] fn idle(_: idle::Context) -> ! { static mut X: u32 = 0; // Safe access to local `static mut` variable let _x: &'static mut u32 = X; hprintln!("idle").unwrap(); debug::exit(debug::EXIT_SUCCESS); loop { cortex_m::asm::nop(); } } };