embassy/examples/stm32l4/src/bin/button.rs
2021-07-24 13:57:11 +02:00

40 lines
895 B
Rust

#![no_std]
#![no_main]
#![feature(trait_alias)]
#![feature(min_type_alias_impl_trait)]
#![feature(impl_trait_in_bindings)]
#![feature(type_alias_impl_trait)]
#![allow(incomplete_features)]
#[path = "../example_common.rs"]
mod example_common;
use defmt::panic;
use embassy::executor::Spawner;
use embassy_stm32::gpio::{Input, Pull};
use embassy_stm32::{pac, Peripherals};
use embedded_hal::digital::v2::InputPin;
use example_common::*;
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World!");
unsafe {
pac::DBGMCU.cr().modify(|w| {
w.set_dbg_sleep(true);
w.set_dbg_standby(true);
w.set_dbg_stop(true);
});
}
let button = Input::new(p.PC13, Pull::Up);
loop {
if button.is_high().unwrap() {
info!("high");
} else {
info!("low");
}
}
}