43 lines
1.0 KiB
Rust
43 lines
1.0 KiB
Rust
#![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_executor::Spawner;
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use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex;
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use embassy_sync::mutex::Mutex;
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use embassy_time::Timer;
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use {defmt_rtt as _, panic_probe as _};
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static MUTEX: Mutex<ThreadModeRawMutex, u32> = Mutex::new(0);
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#[embassy_executor::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_secs(1).await;
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info!("end long operation: count = {}", *m);
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}
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Timer::after_secs(1).await;
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}
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}
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#[embassy_executor::main]
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async fn main(spawner: Spawner) {
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let _p = embassy_nrf::init(Default::default());
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unwrap!(spawner.spawn(my_task()));
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loop {
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Timer::after_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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