https://devzone.nordicsemi.com/f/nordic-q-a/56719/reset-uart-fifo-for-rxbufferIs there an instruction or function to reset UART FIFO for Rxbuffer?en-USTelligent Community 13Tue, 21 Jan 2020 12:22:58 GMThttps://devzone.nordicsemi.com/thread/230057?ContentTypeID=1Tue, 21 Jan 2020 12:22:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a434fcaa-9381-492f-9c05-d31e11609733Simon<p>I assume you are using the app UART library. You can reset (flush) the UART FIFO RX buffer by calling&nbsp;<em>app_uart_flush()</em>. However, this will flush both the RX and the TX buffer. I couldn&#39;t find any functions that did this on the highest abstraction layer (<em>app_uart.h</em>). If you want only to clear the RX buffer you have to modify the files app_uart_fifo.c and app_uart.h (create a function that only runs&nbsp;<em>app_fifo_flush(&amp;m_rx_fifo);</em>)</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>