https://devzone.nordicsemi.com/f/nordic-q-a/30116/radio-in-zephyr-rtos-projectIn zephyr many PPI has been employed in radio, and other PPI from 20 to 31 is pre-programmed channels and can not use by application. Do you have any plan for optimize this？en-USTelligent Community 13Fri, 02 Feb 2018 04:48:55 GMThttps://devzone.nordicsemi.com/thread/119465?ContentTypeID=1Fri, 02 Feb 2018 04:48:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ba04e30a-3c98-47ae-8e53-6dcfac9f50b7vich<p>Hi Sam,</p> <p>The design in Zephyr BLE controller differs from the set of usable pre-programmed PPI channel, that said, some can be reused. As you do not state your requirements, your contribution to the Zephyr Project is welcome.</p> <p>Also, please direct your queries and comment to the Zephyr community as user here, zephyr-users@lists.zephyrproject.org or as developer here,&nbsp;zephyr-devel@lists.zephyrproject.org</p> <p>Thank you for your query and interest.</p> <p>Regards,</p> <p>Vinayak</p><div style="clear:both;"></div>