embassy/examples/stm32f7/src/bin/button.rs

35 lines
912 B
Rust
Raw Normal View History

2021-10-19 15:36:41 +02:00
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use cortex_m_rt::entry;
use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
use embedded_hal::digital::v2::{InputPin, OutputPin};
use example_common::*;
#[entry]
fn main() -> ! {
info!("Hello World!");
let p = embassy_stm32::init(Default::default());
let button = Input::new(p.PC13, Pull::Down);
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);
loop {
if unwrap!(button.is_high()) {
info!("high");
unwrap!(led1.set_high());
unwrap!(led3.set_low());
} else {
info!("low");
unwrap!(led1.set_low());
unwrap!(led3.set_high());
}
}
}