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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::mem::MaybeUninit;
use cortex_m_rt::entry;
use embassy::executor::{task, Executor};
use embassy::time::{Clock, Duration, Timer};
use embassy_nrf::pac;
use embassy_nrf::rtc;
use nrf52840_hal::clocks;
#[task]
async fn run1() {
loop {
info!("BIG INFREQUENT TICK");
Timer::after(Duration::from_ticks(64000)).await;
}
}
#[task]
async fn run2() {
loop {
info!("tick");
Timer::after(Duration::from_ticks(13000)).await;
}
}
static mut RTC: MaybeUninit<rtc::RTC<pac::RTC1>> = MaybeUninit::uninit();
static mut EXECUTOR: MaybeUninit<Executor<rtc::Alarm<pac::RTC1>>> = MaybeUninit::uninit();
#[entry]
fn main() -> ! {
info!("Hello World!");
let p = embassy_nrf::pac::Peripherals::take().dewrap();
clocks::Clocks::new(p.CLOCK)
.enable_ext_hfosc()
.set_lfclk_src_external(clocks::LfOscConfiguration::NoExternalNoBypass)
.start_lfclk();
let rtc: &'static _ = unsafe {
let ptr = RTC.as_mut_ptr();
ptr.write(rtc::RTC::new(p.RTC1));
&*ptr
};
rtc.start();
unsafe { embassy::time::set_clock(rtc) };
let executor: &'static _ = unsafe {
let ptr = EXECUTOR.as_mut_ptr();
ptr.write(Executor::new(rtc.alarm0(), cortex_m::asm::sev));
&*ptr
};
unsafe {
executor.spawn(run1()).dewrap();
executor.spawn(run2()).dewrap();
loop {
executor.run();
cortex_m::asm::wfe();
}
}
}
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