[Gzz-commits] manuscripts/Control1 poster.rst

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/gzz
Module name:    manuscripts
Changes by:     Tuomas J. Lukka <address@hidden>        03/05/05 14:41:23

Modified files:
        Control1       : poster.rst 

Log message:
        Writing

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/Control1/poster.rst.diff?tr1=1.43&tr2=1.44&r1=text&r2=text

Patches:
Index: manuscripts/Control1/poster.rst
diff -u manuscripts/Control1/poster.rst:1.43 
manuscripts/Control1/poster.rst:1.44
--- manuscripts/Control1/poster.rst:1.43        Mon May  5 14:32:33 2003
+++ manuscripts/Control1/poster.rst     Mon May  5 14:41:23 2003
@@ -80,7 +80,9 @@
 
 - advantages:
   
-    - LEGOs have been popular toys for several decades in Scandinavia
+    - LEGO bricks
+      have been popular toys for several decades all around
+      the western world
     - several scientists and students have a background in LEGO bricks ;)
 
 
@@ -124,8 +126,8 @@
 
 Invention of mouse REF??? [mouse68engelbart]_
 
-Connecting an optomechanical mouse to LEGO bricks
-=================================================
+Interfacing LEGO bricks to a computer through an optomechanical mouse 
+=====================================================================
 
 By far the most difficult part of our work with LEGO-based
 controllers has been the interfacing of the LEGO pieces to
@@ -136,6 +138,9 @@
    :label: figrequired
 
    The non-LEGO parts and tools required for a controller.
+   A USB mouse would be preferred to the PS/2 mouse
+   shown in the picture, since several can be connected
+   to a computer simultaneously as separate input sources.
 
 .. figure:: mouseopen.jpg
    :width: 7.5cm
@@ -233,14 +238,19 @@
    :width: 7.5cm
    :label: figframedrivers
 
-   The driving mechanisms attached. After the towballs are attached
+   The driving mechanisms (using a slightly different version
+   than the one depicted in the previous figures) 
+   attached. After the towballs are attached
    to rubber bands for pressing the tyres downwards slightly,
    motions from the LEGO axles are accurately translated to mouse
    X and Y motions.
 
-On the software side, XXX
+On the software side, the Linux kernel is able to 
+pass each USB mouse to a different virtual device
+using an enhanced PS/2 protocol. This makes reading
+the numerical values from all mice connected to the computer
+trivial.
 
-Linux, USB, Accel, ...
 
 An example custom controller for a particular user interface
 ============================================================