embassy/examples/stm32l0/src/bin/button.rs

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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use defmt_rtt as _; // global logger
use embassy::executor::Spawner;
use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
use embassy_stm32::Peripherals;
use panic_probe as _;
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#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
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info!("Hello World!");
let button = Input::new(p.PB2, Pull::Up);
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let mut led1 = Output::new(p.PA5, Level::High, Speed::Low);
let mut led2 = Output::new(p.PB5, Level::High, Speed::Low);
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loop {
if button.is_high() {
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info!("high");
led1.set_high();
led2.set_low();
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} else {
info!("low");
led1.set_low();
led2.set_high();
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}
}
}