On 2019-10-03 08:56, O'Connor, Daniel wrote:
Most of USB-serial devices have "very stable" serial number:)
more than 50% have S/N "0123456789".

It is also allowed to have no serial number.

Maybe some kind of "lstty" would do.

-l  -  list all devices
-s  -  match by serial
-v  -  match by vendor
-p  -  match by product
-i  -  match by interface ID
-t  -  type [USB/PCI]

which simply output the tty number you need. Could be an API we could add to libusb.

--HPS
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