Daily use of Neo1973
Jim Paris
jim at jtan.com
Wed Feb 20 21:29:48 CET 2008
Shawn Rutledge wrote:
> On Wed, Feb 20, 2008 at 1:13 PM, Shawn Rutledge
> <shawn.t.rutledge at gmail.com> wrote:
> > That's interesting; I thought the issue was that Motorola chargers
> > have the RX and TX lines connected together, or something like that,
>
> Or maybe they measure the resistance. I googled and found this:
>
> http://krhainos.tk/motoplug.jpg
The USB standard for battery charging from dumb chargers is here:
http://www.usb.org/developers/devclass_docs
Battery Charging Spec v1.0 Spec
I haven't cross-checked the details but presumably they just
standardized the defacto standards used by existing systems.
I would expect/hope the Openmoko phone complies with that spec..
-jim
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