Zephyr logging, release the UARThttps://devzone.nordicsemi.com/f/nordic-q-a/90116/zephyr-logging-release-the-uartIn the nordic,nrf52840dk_nrf52840.dts there is a part &quot;chosen&quot; that says: zephyr,console = &amp;uart0; zephyr,shell-uart = &amp;uart0; zephyr,uart-mcumgr = &amp;uart0; zephyr,bt-mon-uart = &amp;uart0; zephyr,bt-c2h-uart = &amp;uart0; I am using both UART0 and UART1 foren-USTelligent Community 13Mon, 25 Jul 2022 09:02:10 GMTRE: Zephyr logging, release the UARThttps://devzone.nordicsemi.com/thread/378493?ContentTypeID=1Mon, 25 Jul 2022 09:02:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b87d33cb-19d9-4296-bf38-154c9c881413BvdP4Celsius<p>Thanks,<br /><span>CONFIG_HAS_SEGGER_RTT will generate an error, however t</span>e following settings worked for me:</p> <div> <div><span>CONFIG_LOG_PRINTK</span><span>=y</span></div> <div><span>CONFIG_LOG_MODE_IMMEDIATE</span><span>=y</span></div> <div><span>CONFIG_UART_CONSOLE</span><span>=n</span></div> <div><span>CONFIG_RTT_CONSOLE</span><span>=y</span></div> <div><span>#CONFIG_HAS_SEGGER_RTT=y</span></div> <div><span>CONFIG_USE_SEGGER_RTT</span><span>=y</span></div> </div><div style="clear:both;"></div>RE: Zephyr logging, release the UARThttps://devzone.nordicsemi.com/thread/377992?ContentTypeID=1Thu, 21 Jul 2022 06:45:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a97b4828-8b57-4ae7-b657-45598430395eSusheel Nuguru<p>you might have to tell that you do not need uart logging, can you try this.</p> <pre>CONFIG_UART_CONSOLE=n CONFIG_RTT_CONSOLE=y CONFIG_HAS_SEGGER_RTT=y CONFIG_USE_SEGGER_RTT=y #CONFIG_LOG_BACKEND_RTT=y #CONFIG_SHELL_BACKEND_RTT=y #CONFIG_LOG_BACKEND_RTT_FORCE_PRINTK=y<br /><br /></pre><div style="clear:both;"></div>RE: Zephyr logging, release the UARThttps://devzone.nordicsemi.com/thread/377875?ContentTypeID=1Wed, 20 Jul 2022 13:07:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:08b7a309-91ca-461c-9343-6898c89cfa65BvdP4Celsius<p>Adding the&nbsp;<span>CONFIG_LOG_BACKEND_RTT</span><span>=y to the prj,conf did not release the UART. The logging info is (also) visible on the UART port.</span></p><div style="clear:both;"></div>RE: Zephyr logging, release the UARThttps://devzone.nordicsemi.com/thread/377614?ContentTypeID=1Tue, 19 Jul 2022 12:09:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fcd17e7d-1f4e-4d4c-ad2a-0786b29f7e0bSusheel Nuguru<p>I think you can use RTT as backend for logs</p> <p><a href="https://docs.zephyrproject.org/3.0.0/reference/kconfig/CONFIG_LOG_BACKEND_RTT.html">docs.zephyrproject.org/.../CONFIG_LOG_BACKEND_RTT.html</a></p><div style="clear:both;"></div>