#![no_main] #![no_std] use cortex_m::iprintln; use panic_halt as _; use stm32f4; #[rtic::app(device = stm32f4)] const APP: () = { #[init] fn init(cx: init::Context) { let mut p = cx.core; let stim = &mut p.ITM.stim[0]; for a in 0..=10 { iprintln!(stim, "RTIC Hello, world!! {}", a); } } };