On 5 April 2013 06:20, Tim Roberts <t...@probo.com> wrote: > John Nagle <na...@animats.com> wrote: > > > > That would be useful to have as a portable function for all USB > >devices. Serial port devices are particularly annoying, because their > >port number is somewhat random when there's more than one, and changes > >on hot-plugging. > > There is no portable solution. Every operating system handles this kind of > this very differently. Remember, the operating system abstractions are all > designed to hide this from you. When you open a serial port or an audio > device or use a file system, you aren't supposed to KNOW that there is a > USB device behind it >
Indeed. Which means I have a working solution under Linux, but I am struggling to find one under OS X. Looks like I might have to resort to just parsing the USB tree until I find the device that was inserted. -- ./Sven
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