#![deny(warnings)] #![deny(unsafe_code)] #![no_main] #![no_std] extern crate cortex_m; extern crate cortex_m_rt as rt; extern crate panic_halt; extern crate stm32wb_hal as hal; use cortex_m_semihosting::hprintln; use rt::entry; #[entry] fn main() -> ! { hprintln!("Hello, STM32WB55!").unwrap(); loop {} }