examples/stm32f3/src/example_common.rs


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#![macro_use]

use defmt_rtt as _; // global logger
use panic_probe as _;

pub use defmt::*;

use core::sync::atomic::{AtomicUsize, Ordering};

defmt::timestamp! {
    "{=u64}",
    {
        static COUNT: AtomicUsize = AtomicUsize::new(0);
        // NOTE(no-CAS) `timestamps` runs with interrupts disabled
        let n = COUNT.load(Ordering::Relaxed);
        COUNT.store(n + 1, Ordering::Relaxed);
        n as u64
    }
}