The use of USB to serial port under Ubuntu system

The PC uses the Ubuntu system and connects to the Router Development Board with a USB to serial cable.

First confirm the Ubuntu support for USB to serial port device.

1, # lsmod | grep usbserial
If there is usbserial, the system supports USB to serial port.

[email protected]:~$ lsmod |grep usbserialusbserial 39125 3 Ftdi_sio

2, plug in the USB to the serial port, in the Terminal input command #dmesg | grep ttyUSB0, if the connection success message appears, the Ubuntu system has identified the device.

[email protected]:~$ dmesg | grep tty[0.000000] console [tty0] enabled[1.854936] 0000:00:03.3:ttys4 at I/O 0x1830 (IRQ = Base_baud = 115200) is a 16550a[920.550979] USB 6-1: FTDI USB Serial Device Converter now attached to TtyUSB0

serial communication software We use Minicom, a Linux system serial communication software, full keyboard operation, used to use it. Minicom installation configuration can refer to this: the use of USB to the serial port under Ubuntu.

The use of USB to serial port under Ubuntu system