embassy/examples/stm32l0/src/bin/button.rs
2021-06-25 18:16:43 -03:00

42 lines
1 KiB
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 embassy_stm32::{
gpio::{Input, Level, Output, Pull, Speed},
rcc::*,
};
use embedded_hal::digital::v2::{InputPin, OutputPin};
use example_common::*;
use cortex_m_rt::entry;
#[entry]
fn main() -> ! {
info!("Hello World!");
let mut p = embassy_stm32::init(Default::default());
Rcc::new(p.RCC).enable_debug_wfe(&mut p.DBGMCU, true);
let button = Input::new(p.PB2, Pull::Up);
let mut led1 = Output::new(p.PA5, Level::High, Speed::Low);
let mut led2 = Output::new(p.PB5, Level::High, Speed::Low);
loop {
if button.is_high().unwrap() {
info!("high");
led1.set_high().unwrap();
led2.set_low().unwrap();
} else {
info!("low");
led1.set_low().unwrap();
led2.set_high().unwrap();
}
}
}