https://devzone.nordicsemi.com/f/nordic-q-a/113313/disabling-flowcontrol-on-cdc-acm-uart-for-nrf52840-in-zephyrI am trying to use the UART over the onboard USB without flow-control. I&#39;m currently using a Seeed XIAO_BLE whose bootloader initializes the USB port. I have a simple example: when I run this, the code stalls until I connect a terminal programen-USTelligent Community 13Thu, 08 Aug 2024 11:48:05 GMThttps://devzone.nordicsemi.com/thread/497473?ContentTypeID=1Thu, 08 Aug 2024 11:48:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fcb4e54d-d070-4ccd-8324-262b3377f8a1Kazi Afroza Sultana<p>Hello,</p> <p>Could you please send me the device tree file of the application?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/495770?ContentTypeID=1Fri, 26 Jul 2024 08:47:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a8a7b395-e7a5-447c-b605-2367a46145baKazi Afroza Sultana<p>Hello,&nbsp;</p> <p>I have been working on your case. Because of vacation time here in Nordic, there is possibility of a bit delayed response. Thanks for your patience.</p> <p>BR</p> <p>Kazi</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/495283?ContentTypeID=1Tue, 23 Jul 2024 17:00:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:53a04dfe-5847-42a4-a363-f27efa857c7aPhracturedBlue<p>While not answering my question, I did find that&nbsp;<span class="s1">uart_poll_out() behaves as expected (does not use flow control, other than to block when the tx buffer is full).&nbsp; So the issue is likely in the console code (or more likely my understanding of how to configure it)</span></p><div style="clear:both;"></div>