embassy/examples/stm32h7/src/bin/signal.rs
2022-08-22 22:18:13 +02:00

37 lines
802 B
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::{info, unwrap};
use embassy_executor::Spawner;
use embassy_sync::signal::Signal;
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
static SIGNAL: Signal<u32> = Signal::new();
#[embassy_executor::task]
async fn my_sending_task() {
let mut counter: u32 = 0;
loop {
Timer::after(Duration::from_secs(1)).await;
SIGNAL.signal(counter);
counter = counter.wrapping_add(1);
}
}
#[embassy_executor::main]
async fn main(spawner: Spawner) {
let _p = embassy_stm32::init(Default::default());
unwrap!(spawner.spawn(my_sending_task()));
loop {
let received_counter = SIGNAL.wait().await;
info!("signalled, counter: {}", received_counter);
}
}