examples/stm32wl/src/bin/blinky.rs


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#![no_std]
#![no_main]

use core::mem::MaybeUninit;

use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_stm32::SharedData;
use embassy_time::Timer;
use {defmt_rtt as _, panic_probe as _};

#[unsafe(link_section = ".shared_data")]
static SHARED_DATA: MaybeUninit<SharedData> = MaybeUninit::uninit();

#[embassy_executor::main]
async fn main(_spawner: Spawner) {
    let p = embassy_stm32::init_primary(Default::default(), &SHARED_DATA);
    info!("Hello World!");

    let mut led = Output::new(p.PB15, Level::High, Speed::Low);

    loop {
        info!("high");
        led.set_high();
        Timer::after_millis(500).await;

        info!("low");
        led.set_low();
        Timer::after_millis(500).await;
    }
}