Ian replied to the topic 'Persistent Serial Port Mapping' in the forum. 9 months ago

picciux wrote: Try to post the output of

ls -l /dev/ttymount


lrwxrwxrwx 1 root root 9 Sep 29 15:49 /dev/ttymount -> gpiochip3

On the RPi (currently) the only USB device plugged-in is the Future Technology Devices Serial adapter (though internally the ethernet seems connected via the USB hub). lsusb output

Bus 001 Device 004: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Many thanks