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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use example_common::*;
use core::task::Poll;
use cortex_m_rt::entry;
use defmt::panic;
use embassy::executor::{task, Executor};
use embassy::time::{Duration, Instant, Timer};
use embassy::util::Forever;
use embassy_nrf::pac;
use embassy_nrf::{interrupt, rtc};
use nrf52840_hal::clocks;
#[task]
async fn run1() {
loop {
info!("DING DONG");
Timer::after(Duration::from_ticks(16000)).await;
}
}
#[task]
async fn run2() {
loop {
Timer::at(Instant::from_ticks(0)).await;
}
}
#[task]
async fn run3() {
futures::future::poll_fn(|cx| {
cx.waker().wake_by_ref();
Poll::<()>::Pending
})
.await;
}
static RTC: Forever<rtc::RTC<pac::RTC1>> = Forever::new();
static ALARM: Forever<rtc::Alarm<pac::RTC1>> = Forever::new();
static EXECUTOR: Forever<Executor> = Forever::new();
#[entry]
fn main() -> ! {
info!("Hello World!");
let p = unwrap!(embassy_nrf::pac::Peripherals::take());
clocks::Clocks::new(p.CLOCK)
.enable_ext_hfosc()
.set_lfclk_src_external(clocks::LfOscConfiguration::NoExternalNoBypass)
.start_lfclk();
let rtc = RTC.put(rtc::RTC::new(p.RTC1, interrupt::take!(RTC1)));
rtc.start();
unsafe { embassy::time::set_clock(rtc) };
let alarm = ALARM.put(rtc.alarm0());
let executor = EXECUTOR.put(Executor::new_with_alarm(alarm, cortex_m::asm::sev));
unwrap!(executor.spawn(run1()));
unwrap!(executor.spawn(run2()));
unwrap!(executor.spawn(run3()));
loop {
executor.run();
cortex_m::asm::wfe();
}
}
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