#![feature(proc_macro)] #![no_std] extern crate cortex_m_rtfm as rtfm; extern crate panic_itm; extern crate stm32f103xx; use rtfm::app; app! { //~ error attempt to subtract with overflow device: stm32f103xx, tasks: { exti0: { interrupt: EXTI0, // ERROR priority must be in the range [1, 16] priority: 17, }, }, } fn init(_ctxt: init::Context) -> init::LateResources { init::LateResources {} } fn idle(_ctxt: idle::Context) -> ! { loop {} } fn exti0(_ctxt: exti0::Context) {}