#![no_main] #![no_std] use cortex_m::asm; use cortex_m_rt::entry; use core::fmt::Write; // this imports `down-the-stack/apps/lib.rs` to retrieve our global logger + panicking-behavior use apps as _; #[entry] fn main() -> ! { // to enable more verbose logs, go to your `Cargo.toml` and set defmt logging levels // to `defmt-trace` by changing the `default = []` entry in `[features]` let board = dk_bsc::init().unwrap(); let mut uarte = board.uarte; let tx_buffer = "Hello, World!\n"; uarte.write_str(tx_buffer).unwrap(); // this program does not `exit`; use Ctrl+C to terminate it loop { asm::nop(); } }