Rename examples/nrf to examples/nrf52840

examples/nrf52840/src/bin/channel_sender_receiver.rs

@@ -0,0 +1,50 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::unwrap;
+use embassy_executor::Spawner;
+use embassy_nrf::gpio::{AnyPin, Level, Output, OutputDrive, Pin};
+use embassy_sync::blocking_mutex::raw::NoopRawMutex;
+use embassy_sync::channel::{Channel, Receiver, Sender};
+use embassy_time::{Duration, Timer};
+use static_cell::StaticCell;
+use {defmt_rtt as _, panic_probe as _};
+
+enum LedState {
+    On,
+    Off,
+}
+
+static CHANNEL: StaticCell<Channel<NoopRawMutex, LedState, 1>> = StaticCell::new();
+
+#[embassy_executor::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_executor::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_executor::main]
+async fn main(spawner: Spawner) {
+    let p = embassy_nrf::init(Default::default());
+    let channel = CHANNEL.init(Channel::new());
+
+    unwrap!(spawner.spawn(send_task(channel.sender())));
+    unwrap!(spawner.spawn(recv_task(p.P0_13.degrade(), channel.receiver())));
+}