#![deny(unsafe_code)] #![deny(warnings)] #![no_std] extern crate cortex_m_rtfm as rtfm; extern crate stm32f103xx; use rtfm::app; app! { //~ error mismatched types device: stm32f103xx, } fn init(_p: init::Peripherals) {} // ERROR `idle` must be a diverging function fn idle() {}