Re: Twiddler2 & Poma Work Togethe

From Wear-Hard Mailing list Archive (WH) Maintained by R. Paul McCarty

Ok, I've been doing some experimenting with the Poma today.

    I had a USB to dual PS/2 adapter lying around and tried it on the Poma 
with a PS/2 keyboard and mouse.  I assume it is passive as it looks small 
and I got it from eBay for a few dollars when I was working on a Compaq IA-1 
a while back.

    The PS/2 keyboard worked fine, no problem.  I even got the PS/2 keyboard 
and a USB trackball working at the same time by use of a USB hub.  However, 
a PS/2 mouse does not work with the adapter - neither with the keyboard, 
with the USB Trackball, nor on its own.

    So, by what I can figure out - the Poma/WinCE 3.0 has a basic USB mouse 
driver and a PS/2 keyboard driver but no PS/2 mouse driver (and for some 
reason the USB mouse driver does not work with a PS/2 mouse on an adapter, 
at least not with my adapter).

    I think this is why the posts I found in the archive said that only the 
PS/2 Twiddler 2 keyboard worked and not the mouse.  If only there was a 
twiddler2 with a PS/2 keyboard and a USB mouse.
    I've a feeling I'm going to have to go down the route of getting a PS/2 
Twiddler2 and just live with the fact that I'll be using an extra mouse (and 
all the extra cables) with it.

    Craig, you asked for a link to the Wear Hard Archive posts regarding 
using the Twiddler2 on a Poma, I just did a search in the archive for "Poma" 
and came up with four pages of listings including:

http://wearables.blu.org/wear-hard-02/20027314.html

    Next job will be trying to get some wearable-friendly (and keyboard 
friendly) applications running on it, so it has some use as a digital 
assistant/wearable internet & research appliance.  I wonder if I could 
create a small local website held in RAM and viewed from the WinCE's 
Internet Explorer that would allow me to develop my own simple wearable 
environment....

      Ben

>From: "Craig M. Armstrong " <>
>Reply-To: Wearable Hardware Discussion List <>
>To: "Wearable Hardware Discussion List" <>
>Subject: Re: [Wear-Hard] Twiddler2 & Poma Work Togethe
>Date: Thu, 6 Jul 2006 21:58:42 -0700
>
>On 7/6/06, Ben Roose <> wrote:
>>  The Poma only has a single USB host port (no PS/2), but I read on
>>Wear-Hard that people have successfully got the Poma to recognize a PS/2
>>Twiddler as just a keyboard with no mouse by using a USB to PS/2 adapter.
>
>Do you have a reference/link to the archive? Was it a passive adaptor
>or an active one?
>
>If you plug in a ps/2 to USB adaptor (usually they have two ps/2 jacks
>and one USB plug, I bought one with only one ps/2 jack once and it
>still showed up as two USB devices on the PC ;-) and a ps/2 keyboard
>and/or mouse do either of them work?
>
>It you haven't bought one yet, I recommed the Cables Unlimited one.
>Much cheaper than some of the others, has a green light to let you
>know it's on, has a smaller design, and it let's all five buttons of a
>five button mouse through unlike some of the bigger more expensive
>ones I tried--though I guess that's not an issue with the Twiddler2,
>it doesn't even do the scroll wheel.
>
>--
>Craig
>
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