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bugst / go-serial

A cross-platform serial library for go-lang.
BSD 3-Clause "New" or "Revised" License
657 stars 199 forks source link

Report Interface Number #125

Open ben-qnimble opened 2 years ago

ben-qnimble commented 2 years ago

Many USB devices are composite devices that contain multiple interfaces. If such a device has two or more serial ports (comm ports) then they have the same VID, PID and Serial Number. Because of this, it is currently impossible to distinguish between multiple ports on the same USB composite device. It would be nice to be able to differentiate such devices at the USB level. This patch has the device info return the interface number (MI) in addition to the USB VID and PID.

Tested and works on Window and Linux. I think a very similar change could be done to OSX for this to work on a MAC, but I do not have a MAC to test on.

(New pull request but same content as #124 since #124 is from wrong branch and I will close)

SynchronicIT commented 5 months ago

would be great to have this merged into the next version