71 lines
1.6 KiB
Rust
71 lines
1.6 KiB
Rust
#![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::mem::MaybeUninit;
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use cortex_m_rt::entry;
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use embassy::executor::{task, Executor};
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use embassy::time::{Clock, Duration, Timer};
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use embassy_nrf::pac;
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use embassy_nrf::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!("BIG INFREQUENT TICK");
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Timer::after(Duration::from_ticks(64000)).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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info!("tick");
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Timer::after(Duration::from_ticks(13000)).await;
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}
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}
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static mut RTC: MaybeUninit<rtc::RTC<pac::RTC1>> = MaybeUninit::uninit();
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static mut EXECUTOR: MaybeUninit<Executor<rtc::Alarm<pac::RTC1>>> = MaybeUninit::uninit();
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#[entry]
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fn main() -> ! {
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info!("Hello World!");
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let p = embassy_nrf::pac::Peripherals::take().dewrap();
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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: &'static _ = unsafe {
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let ptr = RTC.as_mut_ptr();
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ptr.write(rtc::RTC::new(p.RTC1));
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&*ptr
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};
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rtc.start();
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unsafe { embassy::time::set_clock(rtc) };
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let executor: &'static _ = unsafe {
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let ptr = EXECUTOR.as_mut_ptr();
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ptr.write(Executor::new(rtc.alarm0(), cortex_m::asm::sev));
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&*ptr
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};
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unsafe {
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executor.spawn(run1()).dewrap();
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executor.spawn(run2()).dewrap();
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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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}
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