embassy/examples/stm32f4/src/bin/button.rs

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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use cortex_m_rt::entry;
use defmt::*;
use defmt_rtt as _; // global logger
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use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
use panic_probe as _;
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#[entry]
fn main() -> ! {
info!("Hello World!");
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let p = embassy_stm32::init(Default::default());
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let button = Input::new(p.PC13, Pull::Down);
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let mut led1 = Output::new(p.PB0, Level::High, Speed::Low);
let _led2 = Output::new(p.PB7, Level::High, Speed::Low);
let mut led3 = Output::new(p.PB14, Level::High, Speed::Low);
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loop {
if button.is_high() {
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info!("high");
led1.set_high();
led3.set_low();
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} else {
info!("low");
led1.set_low();
led3.set_high();
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}
}
}