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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::unwrap;
use embassy::blocking_mutex::raw::NoopRawMutex;
use embassy::channel::mpmc::{Channel, Receiver, Sender};
use embassy::executor::Spawner;
use embassy::time::{Duration, Timer};
use embassy::util::Forever;
use embassy_nrf::gpio::{AnyPin, Level, Output, OutputDrive, Pin};
use embassy_nrf::Peripherals;
use {defmt_rtt as _, panic_probe as _};
enum LedState {
On,
Off,
}
static CHANNEL: Forever<Channel<NoopRawMutex, LedState, 1>> = Forever::new();
#[embassy::task]
async fn send_task(sender: Sender<'static, NoopRawMutex, LedState, 1>) {
loop {
sender.send(LedState::On).await;
Timer::after(Duration::from_secs(1)).await;
sender.send(LedState::Off).await;
Timer::after(Duration::from_secs(1)).await;
}
}
#[embassy::task]
async fn recv_task(led: AnyPin, receiver: Receiver<'static, NoopRawMutex, LedState, 1>) {
let mut led = Output::new(led, Level::Low, OutputDrive::Standard);
loop {
match receiver.recv().await {
LedState::On => led.set_high(),
LedState::Off => led.set_low(),
}
}
}
#[embassy::main]
async fn main(spawner: Spawner, p: Peripherals) {
let channel = CHANNEL.put(Channel::new());
unwrap!(spawner.spawn(send_task(channel.sender())));
unwrap!(spawner.spawn(recv_task(p.P0_13.degrade(), channel.receiver())));
}
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