Function esp_idf_sys::uart_enable_rx_intr

pub unsafe extern "C" fn uart_enable_rx_intr(uart_num: uart_port_t) -> esp_err_t

@brief Enable UART RX interrupt (RX_FULL & RX_TIMEOUT INTERRUPT)

@param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2

@return - ESP_OK Success - ESP_FAIL Parameter error