mirror of
https://github.com/esp-rs/esp-hal.git
synced 2025-10-02 14:44:42 +00:00
984b7fc042
* Create an `soc` module with a submodule for each chip, move `peripherals` in * Move the `cpu_control` module into `soc` * Move the `efuse` module into `soc` * Refactor type definitions from `gpio` module into `soc` * Put all embassy-related files in a common directory * Change visibility of `GpioPin` constructor
74 lines
2.0 KiB
Rust
74 lines
2.0 KiB
Rust
//! embassy wait
|
|
//!
|
|
//! This is an example of asynchronously `Wait`ing for a pin state to change.
|
|
|
|
#![no_std]
|
|
#![no_main]
|
|
#![feature(type_alias_impl_trait)]
|
|
|
|
use embassy_executor::Executor;
|
|
use embassy_time::{Duration, Timer};
|
|
use embedded_hal_async::digital::Wait;
|
|
use esp32s2_hal::{
|
|
clock::ClockControl,
|
|
embassy,
|
|
gpio::{Gpio0, Input, PullDown},
|
|
peripherals::Peripherals,
|
|
prelude::*,
|
|
timer::TimerGroup,
|
|
Rtc,
|
|
IO,
|
|
};
|
|
use esp_backtrace as _;
|
|
use static_cell::StaticCell;
|
|
|
|
#[embassy_executor::task]
|
|
async fn ping(mut pin: Gpio0<Input<PullDown>>) {
|
|
loop {
|
|
esp_println::println!("Waiting...");
|
|
pin.wait_for_rising_edge().await.unwrap();
|
|
esp_println::println!("Ping!");
|
|
Timer::after(Duration::from_millis(100)).await;
|
|
}
|
|
}
|
|
|
|
static EXECUTOR: StaticCell<Executor> = StaticCell::new();
|
|
|
|
#[entry]
|
|
fn main() -> ! {
|
|
esp_println::println!("Init!");
|
|
let peripherals = Peripherals::take();
|
|
let system = peripherals.SYSTEM.split();
|
|
let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
|
|
|
|
let mut rtc = Rtc::new(peripherals.RTC_CNTL);
|
|
let timer_group0 = TimerGroup::new(peripherals.TIMG0, &clocks);
|
|
let mut wdt0 = timer_group0.wdt;
|
|
let timer_group1 = TimerGroup::new(peripherals.TIMG1, &clocks);
|
|
let mut wdt1 = timer_group1.wdt;
|
|
|
|
// Disable watchdog timers
|
|
rtc.rwdt.disable();
|
|
wdt0.disable();
|
|
wdt1.disable();
|
|
|
|
#[cfg(feature = "embassy-time-timg0")]
|
|
embassy::init(&clocks, timer_group0.timer0);
|
|
|
|
let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
|
|
// GPIO 0 as input
|
|
let input = io.pins.gpio0.into_pull_down_input();
|
|
|
|
// Async requires the GPIO interrupt to wake futures
|
|
esp32s2_hal::interrupt::enable(
|
|
esp32s2_hal::peripherals::Interrupt::GPIO,
|
|
esp32s2_hal::interrupt::Priority::Priority1,
|
|
)
|
|
.unwrap();
|
|
|
|
let executor = EXECUTOR.init(Executor::new());
|
|
executor.run(|spawner| {
|
|
spawner.spawn(ping(input)).ok();
|
|
});
|
|
}
|