examples/rp/src/example_common.rs


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use core::sync::atomic::{AtomicUsize, Ordering};
use defmt_rtt as _;
use panic_probe as _;

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
}
}