embassy/tests/nrf/src/bin/timer.rs

#![no_std]
#![no_main]
teleprobe_meta::target!(b"nrf52840-dk");

use defmt::{assert, info};
use embassy_executor::Spawner;
use embassy_time::{Instant, Timer};
use {defmt_rtt as _, panic_probe as _};

#[embassy_executor::main]
async fn main(_spawner: Spawner) {
    let _p = embassy_nrf::init(Default::default());
    info!("Hello World!");

    let start = Instant::now();
    Timer::after_millis(100).await;
    let end = Instant::now();
    let ms = (end - start).as_millis();
    info!("slept for {} ms", ms);
    assert!(ms >= 99);
    assert!(ms < 110);

    info!("Test OK");
    cortex_m::asm::bkpt();
}