https://devzone.nordicsemi.com/f/nordic-q-a/91545/i-want-to-use-openocd-in-the-environment-of-ncs2-x-x-and-vscodeUntil 1.9.0 of NCS, SES was recommended, so it was possible to use OpenOCD from there. With NCS 2.x.x, VCS is recommended, so it&#39;s good to use it, but I want to continue using the OpenOCD environment, but I can&#39;t. ncs\v2.0.2\zephyr\boards\arm\ubx_evkninab1_nrf52832en-USTelligent Community 13Mon, 05 Sep 2022 07:12:28 GMThttps://devzone.nordicsemi.com/thread/384494?ContentTypeID=1Mon, 05 Sep 2022 07:12:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:59776579-972d-42c5-9cfe-67707307ea6aH&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> <p>We do not support openocd with NCS, but zephyr community does, as per this documentation:</p> <p><a href="https://docs.zephyrproject.org/3.1.0/develop/flash_debug/probes.html#flash-and-debug-with-st-link">https://docs.zephyrproject.org/3.1.0/develop/flash_debug/probes.html#flash-and-debug-with-st-link</a></p> <p>&nbsp;</p> <p>As per the above link, it is stated that the default choice is openocd runner, and to override you set this in cmake:</p> <p><pre class="ui-code" data-mode="text">set(BOARD_FLASH_RUNNER jlink)</pre></p> <p>&nbsp;</p> <p>If you remove the define, it should revert to using openocd.</p> <p>&nbsp;</p> <p>If you still run into issues using openocd/pyocd, I would recommend contacting the zephyr community.</p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>