https://devzone.nordicsemi.com/f/nordic-q-a/128198/zephyr-output-of-usb-uart-serial-leaks-into-input-bufferI wrote a simple terminal that reads the keyboard input from USB UART device and echos it back to the same device. It works as follows: 1. It registers an interrupt handler (uart_isr) 2. The handler reads input data and writes it to a buffer 3. Main loopen-USTelligent Community 13Tue, 14 Nov 2017 10:43:53 GMT