Udev

Giving a static device name

• Get the automatically assigned device name

sudo dmesg | grep tty [21151.646593] cdc_acm 1-2:1.2: ttyACM0: USB ACM device

• Get vendor and product id

udevadm info --name=/dev/ttyACM0 --attribute-walk | grep idProduct
   ATTRS{idProduct}=="374b"
   ATTRS{idProduct}=="0002"
udevadm info --name=/dev/ttyACM0 --attribute-walk | grep idVendor
   ATTRS{idVendor}=="0483"
   ATTRS{idVendor}=="1d6b"