[raspberry-vi] Re: [raspberry-vi] Re: Please update the wiki with the new user name and password

  • From: <timothyhobbs@xxxxxxxxx>
  • To: <raspberry-vi@xxxxxxxxxxxxx>
  • Date: Thu, 08 May 2014 18:20:24 +0200 (CEST)

Well, I have just started with my new wearable computer.  I do not yet know 
how well it will work.  I have this special kind of keyboard called a 
datahand keyboard.  I am pretty shure that you will not be able to get one :
( .  They are no longer manufactured, and when they were, they sold for 
between 500 and 1000 dollars.  I bought the cheaper version.  The keyboard 
has two parts, one for each hand.  Each part has 5 holes, one for each 
finger.  These holes  have buttons around the edges, and you can type by 
wiggling your  fingers. The keyboard is very comfortable.  I have the two 
halves of the keyboard hanging from my belt, one half on each side of my 
body.  All I have to do is hang my hands down and place my fingers in the 
wholes, there are pads to rest ones palms on.  I have this keyboard  hooked 
up to the raspberry pi.  I have  two USB batteries, one powers the raspberry
pi and the seccond powers the keyboard.  I use a USB v cable to power the 
keyboard at the same time as having it plugged in.  
So far I have not been able to get much done with this setup.  I have been 
using Mike Rays latest Arch image.  Yesturday I spent all day just trying to
figure out why the keyboard was not working properly.  It was loosing key 
events, and the n key worked only intermittenty.  I think I have found the 
problem with the lost key events and solved it.  The n key still 
occationally stops working.

Right now I am typing this reply to you on my pi!

It seems that espeak is running in some kind of real moode(does speakup run 
espeak in kernel mode?) Turning off the key-echo option fixed the lost key 
events for me, and I am now able to  type seemingly normally.  I also heard 
lots of numbers and USB disconnect errors.  The solution was to run dmesg -n
3 at startup.

Today, my pi stopped speaking twice.  I do not know why it stopped speaking,
but I am afraid that it was the now legendary kernel Oops :/.

Next I am going to try with the normal arch image and userland espeak, 
piping sam -d to espeak.  Do you know sam?  You can read about it here:  
http://doc.cat-v.org/plan_9/4th_edition/papers/sam/  It is an excelent text 
editor for use with text to speach.  It was initially made for single line 
text terminals with very low bandwidth connections.  It's behavior is 
inspired by the POSIX ed program. Because of this, it is exteremely terse, 
which makes it less boring to use with TTS than the excesively talkative 
environments like emacs and vi ;)

I do not yet have a display, and I do not think I will use the display all 
too much once I have it.  I have purchased a pair of very cheep video 
glasses with AV input on ebay.  They are in the mail, and they should have 
arrived already.

Tim
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  • » [raspberry-vi] Re: [raspberry-vi] Re: Please update the wiki with the new user name and password - timothyhobbs