embassy/embassy-nrf-examples/src/bin/gpiote_port.rs

66 lines
1.6 KiB
Rust
Raw Normal View History

2020-11-08 18:00:08 +00:00
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use example_common::*;
use core::pin::Pin;
2020-11-08 18:00:08 +00:00
use cortex_m_rt::entry;
2020-12-29 00:53:17 +00:00
use defmt::panic;
2020-11-08 18:00:08 +00:00
use nrf52840_hal::gpio;
use embassy::executor::{task, Executor};
use embassy::gpio::{WaitForHigh, WaitForLow};
2020-11-08 18:00:08 +00:00
use embassy::util::Forever;
use embassy_nrf::gpiote::{Gpiote, GpiotePin};
2020-12-29 00:53:17 +00:00
use embassy_nrf::interrupt;
2020-11-08 18:00:08 +00:00
async fn button(n: usize, mut pin: GpiotePin<gpio::PullUp>) {
2020-11-08 18:00:08 +00:00
loop {
Pin::new(&mut pin).wait_for_low().await;
2020-11-08 18:00:08 +00:00
info!("Button {:?} pressed!", n);
Pin::new(&mut pin).wait_for_high().await;
2020-11-08 18:00:08 +00:00
info!("Button {:?} released!", n);
}
}
#[task]
async fn run() {
let p = unwrap!(embassy_nrf::pac::Peripherals::take());
let port0 = gpio::p0::Parts::new(p.P0);
let (g, _) = Gpiote::new(p.GPIOTE, interrupt::take!(GPIOTE));
2020-11-08 18:00:08 +00:00
let button1 = button(
1,
GpiotePin::new(g, port0.p0_11.into_pullup_input().degrade()),
);
let button2 = button(
2,
GpiotePin::new(g, port0.p0_12.into_pullup_input().degrade()),
);
let button3 = button(
3,
GpiotePin::new(g, port0.p0_24.into_pullup_input().degrade()),
);
let button4 = button(
4,
GpiotePin::new(g, port0.p0_25.into_pullup_input().degrade()),
);
2020-11-08 18:00:08 +00:00
futures::join!(button1, button2, button3, button4);
}
static EXECUTOR: Forever<Executor> = Forever::new();
#[entry]
fn main() -> ! {
info!("Hello World!");
let executor = EXECUTOR.put(Executor::new());
executor.run(|spawner| {
unwrap!(spawner.spawn(run()));
});
2020-11-08 18:00:08 +00:00
}