embassy/docs/modules/ROOT/examples/layer-by-layer/blinky-async/src/main.rs
Ulf Lilleengen 092eef3ae7 Add documentation about the different embassy abstraction layers
The guide demonstrates the functionality offered by each
layer in Embassy, using code examples.
2022-02-23 09:48:32 +01:00

29 lines
624 B
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt_rtt as _;
use panic_probe as _;
use embassy::executor::Spawner;
use embassy_stm32::{
exti::ExtiInput,
gpio::{Input, Level, Output, Pull, Speed},
Peripherals,
};
#[embassy::main]
async fn main(_s: Spawner, p: Peripherals) {
let mut led = Output::new(p.PB14, Level::Low, Speed::VeryHigh);
let mut button = ExtiInput::new(Input::new(p.PC13, Pull::Up), p.EXTI13);
loop {
button.wait_for_any_edge().await;
if button.is_low() {
led.set_high();
} else {
led.set_low();
}
}
}