Linux View serial Port situation

1. Description

To see if the serial port is available, you can send data to the serial port such as the COM1 port, echo lyjie126 >/dev/ttys0
View the serial name using Ls-l/dev/ttys* generally under the name of the serial port all under Dev, if you do not plug in the serial card, the default is dev under the ttys*, the general ttyS0 corresponding com1,ttys1 corresponding COM2, of course, is not necessarily necessarily;

2. View methods

• View Serial drive: cat/proc/tty/drivers/serial
• View serial devices: DMESG | grep ttys*

Linux View serial Port situation