embassy/examples/stm32l0/src/bin/button_exti.rs
2023-11-05 23:52:54 +01:00

29 lines
693 B
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::exti::ExtiInput;
use embassy_stm32::gpio::{Input, Pull};
use embassy_stm32::Config;
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let config = Config::default();
let p = embassy_stm32::init(config);
let button = Input::new(p.PB2, Pull::Up);
let mut button = ExtiInput::new(button, p.EXTI2);
info!("Press the USER button...");
loop {
button.wait_for_falling_edge().await;
info!("Pressed!");
button.wait_for_rising_edge().await;
info!("Released!");
}
}