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blinky/Cargo.toml

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+[package]
+name = "blinky"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+cortex-m.workspace = true
+cortex-m-rt.workspace = true
+# nrf52840-hal.workspace = true
+# microflow.workspace = true
+libm.workspace = true
+# nalgebra.workspace = true
+heapless.workspace = true
+lsm6ds3tr.workspace = true
+defmt.workspace = true
+defmt-rtt.workspace = true
+# embedded-alloc.workspace = true
+# embedded-hal.workspace = true
+# embedded-hal-async.workspace = true
+embassy-nrf.workspace = true
+embassy-time.workspace = true
+embassy-executor.workspace = true
+embassy-sync.workspace = true
+embassy-embedded-hal.workspace = true
+fixed.workspace = true
+atomic-pool.workspace = true
+static_cell.workspace = true
+embassy-usb.workspace = true
+embassy-futures.workspace = true
+panic-probe.workspace = true
+# assign-resources.workspace = true

blinky/src/common.rs

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+#![macro_use]
+
+use defmt_rtt as _; // global logger
+use embassy_nrf as _; // time driver

blinky/src/main.rs

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+#![no_main]
+#![no_std]
+
+use defmt::unwrap;
+use embassy_executor::Spawner;
+use embassy_nrf::gpio::{Level, Output, OutputDrive};
+use embassy_time::{Duration, Timer};
+
+mod common;
+
+#[panic_handler]
+fn panic(_info: &core::panic::PanicInfo) -> ! {
+    loop {}
+}
+
+#[embassy_executor::main]
+async fn main(spawner: Spawner) {
+    let p = embassy_nrf::init(Default::default());
+    let led = Output::new(p.P0_06, Level::Low, OutputDrive::Standard);
+
+    unwrap!(spawner.spawn(blinker(led, Duration::from_millis(300))));
+}
+
+#[embassy_executor::task]
+async fn blinker(mut led: Output<'static>, interval: Duration) {
+    loop {
+        led.set_high();
+        Timer::after(interval).await;
+        led.set_low();
+        Timer::after(interval).await;
+    }
+}