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Running a job 500 ms later in Zephyr

A Zephyr driver must run a handler in thread context 500 ms after a button press, and restart that wait if pressed again. What fits best?

A.A k_sem given from the ISR after a 500 ms delayB.A busy loop of k_busy_wait(500000) in the ISRC.A k_work_delayable, restarted with k_work_rescheduleD.A new thread created on each button press

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Running a job 500 ms later in Zephyr

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