embassy/embassy-nrf-examples/src/bin/timer.rs

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#![no_std]
#![no_main]
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#![feature(min_type_alias_impl_trait)]
#![feature(impl_trait_in_bindings)]
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#![feature(type_alias_impl_trait)]
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#![allow(incomplete_features)]
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#[path = "../example_common.rs"]
mod example_common;
use example_common::*;
use cortex_m_rt::entry;
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use defmt::panic;
use embassy::executor::{task, Executor};
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use embassy::time::{Duration, Timer};
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use embassy::util::Forever;
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use embassy_nrf::{interrupt, peripherals, rtc};
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#[task]
async fn run1() {
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loop {
info!("BIG INFREQUENT TICK");
Timer::after(Duration::from_ticks(64000)).await;
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}
}
#[task]
async fn run2() {
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loop {
info!("tick");
Timer::after(Duration::from_ticks(13000)).await;
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}
}
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static RTC: Forever<rtc::RTC<peripherals::RTC1>> = Forever::new();
static ALARM: Forever<rtc::Alarm<peripherals::RTC1>> = Forever::new();
static EXECUTOR: Forever<Executor> = Forever::new();
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#[entry]
fn main() -> ! {
info!("Hello World!");
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let p = unwrap!(embassy_nrf::Peripherals::take());
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unsafe { embassy_nrf::system::configure(Default::default()) };
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let rtc = RTC.put(rtc::RTC::new(p.RTC1, interrupt::take!(RTC1)));
rtc.start();
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unsafe { embassy::time::set_clock(rtc) };
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let alarm = ALARM.put(rtc.alarm0());
let executor = EXECUTOR.put(Executor::new());
executor.set_alarm(alarm);
executor.run(|spawner| {
unwrap!(spawner.spawn(run1()));
unwrap!(spawner.spawn(run2()));
});
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}