embedded-trainings-2020/down-the-stack/apps/src/bin/uarte_print.rs

#![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 button_1 = board.buttons.b_1;
    let mut uarte = board.uarte;
    
    
    let tx_buffer = "Hello\n";
    
    // this program does not `exit`; use Ctrl+C to terminate it
    loop {
        if button_1.is_pushed() {
            uarte.write_str(tx_buffer).unwrap();
        }
    }
}