On Tuesday 20 March 2007 8:29 am, Ragner N Magalhães wrote:
> Em Seg, 2007-03-19 às 15:09 -0700, ext David Brownell escreveu:

> > I see a lot of *_UNDEFINED symbols, which seem dubious.  If it's
> > not defined, then it shouldn't be defined!  Wouldn't want to see
> > anyone assume that if a value doesn't match those *_UNDEFINED
> > symbols, it must accordingly be defined, for example.
> > 
> But this lot of *_UNDEFINED are defined at USB_Video_Class_1.1.pdf.

It's still dubious, but at least you're not the source of it.  :(


> But case this is really unnecessary I can remove all these *_UNDEFINED
> and to substitute for an only one (USB_DT_FIELD_UNDEFINED 0x00) ...

There are cases where the spec says "field value must be XXX_UNDEFINED",
and those definitions should stay ... unless those are cases where that
spec should have used e.g. a symbol from the USB 2.0 spec.  Maybe some
others should stay too.  


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