https://devzone.nordicsemi.com/f/nordic-q-a/77241/ieee802-15-4-in-zephyrHello, we started using zephyr OS for our firmware projects. To implement a propriety protocol on top of IEEE802.15.4 I use the radio with CONFIG_IEEE802154_RAW_MODE =y in the prj.conf. For a first test I use this function to send a frame. If Ien-USTelligent Community 13Thu, 08 Jul 2021 07:50:49 GMThttps://devzone.nordicsemi.com/thread/319078?ContentTypeID=1Thu, 08 Jul 2021 07:50:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e8adaa17-b247-4217-89bd-1e4c1d706725MeisterBob<p>Sometimes it helps to explain a problem to someone else. I was calling send_frame() from a timer interrupt, freeing it from the interrupt context with a <a href="https://docs.zephyrproject.org/1.9.0/kernel/threads/workqueues.html">workqueue</a> solved this issue.</p><div style="clear:both;"></div>