https://devzone.nordicsemi.com/f/nordic-q-a/66390/using-openocd-to-debug-zephyr-application-in-nrf52dk-debug-adapter-does-not-support-any-transportsI&#39;m trying to debug a Zephyr application on nrf52DK. However, due to the use of multi-threading (in Zephyr) I can&#39;t use J-Link Debug Server (as I&#39;m used to). For executing the server I&#39;m running the following command: The OpenOCD returns the followingen-USTelligent Community 13Fri, 25 Sep 2020 14:26:25 GMThttps://devzone.nordicsemi.com/thread/271562?ContentTypeID=1Fri, 25 Sep 2020 14:26:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e2ebb2a2-3fa3-4165-9cf7-bf8ff0522cfaNguyen Hoan Hoang<p>You need to tell OpenOCD which interface you are using too. you should have two -f params.</p> <p>-f interface/???.cfg</p> <p>-f target/nrf52.cfg</p><div style="clear:both;"></div>