USB keyboard in hostmode?

Geoff Ruscoe gcruscoe at
Thu Aug 21 14:54:28 CEST 2008

On Wed, Aug 20, 2008 at 3:27 PM, Jay Vaughan <jayv at> wrote:

> > Do you have a source for this info? The only need for external
> > components that
> > I'm aware of is the 15k pulldowns when charging while in host mode.
> About two years ago I was working on getting USB Host mode working
> "out of the box" on the GP2X, and I ran into this problem - the
> missing cap/resistor combo meant that the USB Host controller
> interface wasn't able to accurately determine what sort of node it was
> communicating with, and thus the onboard Linux driver tried to treat
> it as a hub node when it was really just a 'terminal' node.  I don't
> have a reference for you on this, just going by memory ..
Can we have a keyboard with that includes batteries and supply juice to the
freerunner while in host mode?  That way when using the builkier setup with
the keyboard plugged into the usb, it could be charging the freerunner?  Or
are the host mode / charging mode multually exclusive?
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