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