Serial to Network System serial interface name (ttyS or ttyUSB) ttySxxx Regular serial interface ttyUSBxxx USB based serial interface ^tty(S|USB)[0-9]+$ #include #include Serial port baud rate 300 1200 2400 4800 9600 19200 38400 57600 115200 (300|1200|2400|4800|9600|19200|38400|57600|115200) Serial port data bits 7 8 (7|8) Serial port stop bits 1 2 (1|2) Parity setting even odd none (even|odd|none)