45 lines
1.1 KiB
Rust
45 lines
1.1 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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use defmt::{info, unwrap};
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use embassy::blocking_mutex::raw::ThreadModeRawMutex;
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use embassy::executor::Spawner;
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use embassy::mutex::Mutex;
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use embassy::time::{Duration, Timer};
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use embassy_nrf::Peripherals;
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use defmt_rtt as _; // global logger
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use panic_probe as _;
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static MUTEX: Mutex<ThreadModeRawMutex, u32> = Mutex::new(0);
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#[embassy::task]
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async fn my_task() {
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loop {
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{
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let mut m = MUTEX.lock().await;
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info!("start long operation");
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*m += 1000;
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// Hold the mutex for a long time.
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Timer::after(Duration::from_secs(1)).await;
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info!("end long operation: count = {}", *m);
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}
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Timer::after(Duration::from_secs(1)).await;
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}
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}
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#[embassy::main]
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async fn main(spawner: Spawner, _p: Peripherals) {
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unwrap!(spawner.spawn(my_task()));
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loop {
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Timer::after(Duration::from_millis(300)).await;
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let mut m = MUTEX.lock().await;
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*m += 1;
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info!("short operation: count = {}", *m);
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}
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}
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