https://devzone.nordicsemi.com/f/nordic-q-a/115597/what-s-the-zephyr-s-timers-priorityA simple question: what&#39;s the priority of the expiry function of a timer in the Zephyr OS respect the other threads?en-USTelligent Community 13Thu, 17 Oct 2024 09:56:44 GMThttps://devzone.nordicsemi.com/thread/506675?ContentTypeID=1Thu, 17 Oct 2024 09:56:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e19f781a-3a60-4e88-a308-89d34b830567Vidar Berg<p>That the expiry function is run in the system clock&#39;s interrupt handler is documented in Zephyr here:</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1729158936649v1.png" alt=" " /></p> <p><a href="https://docs.nordicsemi.com/bundle/ncs-2.7.0/page/zephyr/kernel/services/timing/timers.html">https://docs.nordicsemi.com/bundle/ncs-2.7.0/page/zephyr/kernel/services/timing/timers.html</a>&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/506666?ContentTypeID=1Thu, 17 Oct 2024 09:16:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4ff50ac3-125d-4def-8c74-20667c571ea8Andrea Verdecchia<p>Thanks for you response. Is there documentation about it or about system&#39;s context priorities?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/506658?ContentTypeID=1Thu, 17 Oct 2024 08:47:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:59000830-4d93-40c3-8c0e-e47640d8a328Vidar Berg<p>Hello,</p> <p>The expiry function is run in the timers interrupt context (RTC) and will preempt any running threads.</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>