See my previous post
http://maemo.org/pipermail/maemo-developers/2006-November/006133.html
[Working Peripherals for Wired Networking and
Serial and powering Nokia from Hub]
There is another post about patching the kernel
if you happen to use the same USB network thing
as me but that may be fixed in the version 3
IT2006 I haven't tested it yet but I assume it
has a newer kernel and the issues had been resolved in newer kernels.
It has part numbers in their for things including
the camera power adapter I used.
I will be testing the same setup with IT2006
v3 on the 770 and IT2007 on the 800 sometime soon.
Regards
Simon
At 14:13 01/02/2007, Paule Ecimovic wrote:
Hi, Simon
How did you set up your additional usb host
hardware, i.e., hub, additional power, plugging
into the Nokia 770? I would like get it working
on mine as well. (BTW: The adapter you mention
seems just right for my camera too.)
Cheers,
Paule
----- Original Message ----- From: "Simon Moore" <[EMAIL PROTECTED]>
To: <maemo-users@maemo.org>
Sent: Thursday, February 01, 2007 11:27 AM
Subject: Re: [maemo-users] Wired keyboard and N800
Please don't say we can't use host mode on 800!
Surely this can't be true? Anyone confirmed it is not possible?
Something work mentioning to the person trying to
get the keyboard working is that some USB devices
are very sensitive about the voltage it needs to
be pretty much dead on 5v under load. We use a
maplin regulated camera charger (about £10
believe it or not) for the 770 and it has enough
to power the 770 and all the various USB bits we
use (network, serial, hub and custom circuit board).
Note: if anyone makes a charger for the Nokia
powering from the powered hub, you should be
aware the nokia tuns off its charging circuits if
the voltage is too low or too high also. It also
charges in a weird way that causes voltage ripple
and pull back that may effect other USB devices
(consider adding diodes and capacitors, to
prevent nokia effecting other USB devices
power). Still it is pretty clever and stops
charging when the battery is full.
I'll mess with the 800 when I have a bit more
time in a week or so and see what I can get to work if no one beats me to it.
Regards
Simon
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