filter out all but a specific USB device?

[Tom Horsley]

Perhaps this is more of a wireshark than usbpcap question, but is there some way to filter out all the captured data for one specific USB device in the annoyingly large tree of devices on the root hub I captured? I'd like to examine just the traffic to and from an arduino acting as a COM port without having to see the keyboard, mouse, webcam, etc. My brain tends to explode when I try to read about wireshark filter expressions :-).

[Tomasz Moń]

You can put "usb.device_address == X" where X is the device address of
your Arduino board. This will filter out all other communication.

In next release of USBPcap it'll be possible to select individual
devices to capture from. This selection will be possible through
extcap interface (clickable from within Wireshark window).

[Tom Horsley]

Thanks! That seems to work well (once I figured out the device address :-). Now I can see the interesting data.