Re: ugen vs interfaces

[Mouse <mouse%Rodents-Montreal.ORG@localhost>]

> Setting aside your confusion about interfaces and how they map to
> device nodes in the /dev tree for the moment, I'm curious what you're
> trying to do with this thing that can't be done by using it when it
> attaches as ucom(4) and umodem(4) devices?

Nothing, perhaps - but I haven't been able to make it work talking to
/dev/ttyU0.  Maybe it's an invalid assumption, but I assumed that this
meant I needed to talk to it differently to get it to work.  It's a TI
development board (EK-TM4C1924XL), and I am not fond of using
vendor-provided binary-only (and probably Windows-only) programs to
talk to it.  There is a Linux program, which is the program I'm trying
to behave like....

I suppose it's possible that the particular device I'm working with is
broken; I'll investigate that possibility - but it still would be nice
to understand USB more than I currently do.

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