https://devzone.nordicsemi.com/f/nordic-q-a/16921/uarte-hw-flowcontrol-nrf52Hello, i am using the nRF52 Development Board with SDK 11 and I have trubble with the UARTE Interface with DMA. Parallel I have running the ESB protocol. I know the problems with UARTE and DMA and the FIFO. So I only use the nrf_drv_uarte.c that Ien-USTelligent Community 13Thu, 13 Oct 2016 12:10:37 GMThttps://devzone.nordicsemi.com/thread/64857?ContentTypeID=1Thu, 13 Oct 2016 12:10:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b6b4e50c-13bd-4032-905e-a0963994f343Ole Bauck<p>I noticed some problems with the flow control when using nrf_drv_uart, but they where fixed when calling <code>nrf_drv_uart_rx(rx_buffer,1)</code> after <code>nrf_drv_uart_init(&amp;config, uart_event_handler)</code>. Without flow control it should work. For example like this:</p> <pre><code>static uint8_t tx_buffer[13] = &quot;hello world\n&quot;; nrf_drv_uart_tx(tx_buffer, 13); </code></pre> <p>Does it work if you use app_uart_fifo instead?</p><div style="clear:both;"></div>