embedded-trainings-2020/beginner/apps/src/bin/blinky.rs

#![no_main]
#![no_std]

use core::time::Duration;

use cortex_m_rt::entry;
// this imports `beginner/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::init().unwrap();

    let mut led = board.leds._1;
    let mut timer = board.timer;

    for _ in 0..10 {
        led.toggle();
        timer.wait(Duration::from_secs(1));
        defmt::debug!("LED toggled at {:?}", dk::uptime());
    }

    dk::exit()
}