60-nano-tiny.rules

# supporting udev rule for NanoVNA and tinySA devices
# provide unique device symlinks, useful if you have more identical devices connected

# skip if no TTY device like ttyUSBn or ttyACMn is ADDed
ACTION!="add", GOTO="nano_tiny_end"
SUBSYSTEM!="tty", GOTO="nano_tiny_end"
KERNEL!="ttyUSB[0-9]*|ttyACM[0-9]*", GOTO="nano_tiny_end"

# provide access to USB ID entries like ID_VENDOR_ID etc.
SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id"

# skip if not "STMicroelectronics" "Virtual COM Port"
ENV{ID_VENDOR_ID}!="0483", GOTO="nano_tiny_end"
ENV{ID_MODEL_ID}!="5740", GOTO="nano_tiny_end"

# create a generic symlink for the device that was ADDED LAST!
ENV{ID_VENDOR}=="nanovna.com", SYMLINK+="nanovna"
ENV{ID_VENDOR}=="tinysa.org", SYMLINK+="tinysa"

# now try to create unique symlinks
# skip old "serial number" string "400"
ENV{ID_SERIAL_SHORT}=="400", GOTO="nano_tiny_end"

# skip empty serial number string
ENV{ID_SERIAL_SHORT}=="", GOTO="nano_tiny_end"

ENV{ID_VENDOR}=="nanovna.com", \
  SYMLINK+="nanovna_$env{ID_SERIAL_SHORT}", \
  GOTO="nano_tiny_end"

ENV{ID_VENDOR}=="tinysa.org", \
  SYMLINK+="tinysa_$env{ID_SERIAL_SHORT}", \
  GOTO="nano_tiny_end"

LABEL="nano_tiny_end"