blob: 66ddac2a0663ae4ce69e4fbcd682e0172fce4a5d [file] [log] [blame]
#![no_std]
use futures::future;
use libtock::leds::Led;
use libtock::result::TockResult;
use libtock::timer::Duration;
use libtock::timer::ParallelSleepDriver;
async fn blink(
timer_driver: &ParallelSleepDriver<'_>,
duration: Duration<usize>,
led: Led<'_>,
) -> TockResult<()> {
loop {
led.toggle()?;
timer_driver.sleep(duration).await?;
}
}
#[libtock::main]
async fn main() -> TockResult<()> {
let mut drivers = libtock::retrieve_drivers()?;
let leds_driver = drivers.leds.init_driver()?;
let mut timer_driver = drivers.timer.create_timer_driver();
let timer_driver = timer_driver.activate()?;
let mut leds = leds_driver.leds();
let fut_1 = blink(&timer_driver, Duration::from_ms(500), leds.next().unwrap());
let fut_2 = blink(&timer_driver, Duration::from_ms(333), leds.next().unwrap());
let fut_3 = blink(&timer_driver, Duration::from_ms(250), leds.next().unwrap());
future::try_join3(fut_1, fut_2, fut_3).await?;
Ok(())
}