Re: Ejecting/Powering off/ -> Turn off the device lamp.

David Brownell
2006-05-22T17:07:16Z

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On Monday 22 May 2006 9:50 am, Andy Kennedy wrote:

> I am working with an embedded system that will have no user interaction
> save the USB port. ...
>
> I have TTLs on the embedded system; I may just have to use those.

Sounds like you need to design in some additional user interaction,
either a LED driven by a GPIO to indicate "OK to remove", or else
a LED driven by that port's root hub. (Some root hubs support the
standardized root hub LED mechanisms; most don't.)

- Dave