Ben Gamari f4950c4449 examples: Consistently use unwrap! in favor of .unwrap()
Unfortunately errors from `embedded_graphics` and `core` doesn't provide
the necessary instances currently.
2021-08-05 22:39:59 +02:00

42 lines
1.0 KiB
Rust

#![no_std]
#![no_main]
#![feature(trait_alias)]
#![feature(type_alias_impl_trait)]
#![allow(incomplete_features)]
#[path = "../example_common.rs"]
mod example_common;
use cortex_m_rt::entry;
use embassy_stm32::dbgmcu::Dbgmcu;
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!");
unsafe {
Dbgmcu::enable_all();
}
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());
}
}
}