On 2019-10-03 09:37, O'Connor, Daniel wrote:
On 3 Oct 2019, at 17:01, Hans Petter Selasky <h...@selasky.org> wrote:
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.
Yes, that's why I match sernum to '.+' to skip those.
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.
The problem is you can't modify some program to call a new API a lot of the
time but it is usually trivial to change which serial port it's configured to
use.
You don't need to change any program:
cu /dev/cuaU`lstty -s SERIAL`
--HPS
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