Below is our LX2080 board schematic. Now I want to operate on the uart2 serial port, is the corresponding serial device name /dev/ttys1? I can't write data to this serial port now. it is report the "Input/output error"
See the following pages to see list of serial ports under Linux:
https://www.cyberciti.biz/faq/find-out-linux-serial-ports-with-setserial/
https://unix.stackexchange.com/questions/125183/how-to-find-which-serial-port-is-in-use
https://stackoverflow.com/questions/2530096/how-to-find-all-serial-devices-ttys-ttyusb-on-linux-with...
https://superuser.com/questions/131044/how-do-i-know-which-dev-ttys-is-my-serial-port