Hi,
are the parameters _rx_buf_size (3) and _rx_buf_cnt (255) correct in "nrf_cli_libuarte.c" (SDK v16.0.0)?
NRF_LIBUARTE_ASYNC_DEFINE(libuarte,
NRF_CLI_LIBUARTE_UARTE_INSTANCE,
NRF_CLI_LIBUARTE_TIMER_INSTANCE,
NRF_CLI_LIBUARTE_TIMEOUT_RTC_INSTANCE,
NRF_CLI_LIBUARTE_TIMEOUT_TIMER_INSTANCE,
3, 255);