//! Prints "Hello, world!" on the host console using semihosting #![no_main] #![no_std] extern crate panic_halt; use cortex_m_rt::entry; use cortex_m_semihosting::{debug, hprintln}; #[entry] fn main() -> ! { hprintln!("Hello, world!").unwrap(); // exit QEMU // NOTE do not run this on hardware; it can corrupt OpenOCD state debug::exit(debug::EXIT_SUCCESS); loop {} }