leJOS 0.3 NXT - A Java-based replacement firmware (OS) for Lego Mindstorms RCX.
le...@freshmeat.net
by Brian Bagnall (http://freshmeat.net/~bbagnall/)
Wed, Jul 18th 2007 09:32
About:
leJOS is a Java-based replacement firmware (OS) for the Lego Mindstorms
RCX, a programmable brick with 32 Kb of RAM, which is included in Lego's
Robotics Invention System. leJOS supports threads, exceptions,
synchronization, floating point arithmetic, strings, and so on, but there
is no garbage collection yet. leJOS is also designed to be portable to
other small devices.
Changes:
leJOS NXJ is a full replacement firmware JVM that allows you to run Java
programs on the LEGO Mindstorms NXT brick. leJOS NXJ works with Windows,
Linux and Mac OS X (a dedicated Mac build is coming soon). Version 0.3 now
includes some key features: - A flash file system with implementations of
java.io.File, FileInputStream, and FileOutputStream. - A menu system -
Java streams over Bluetooth and USB - LCP support (LEGO Communication
Protocol) including file commands - A file explorer that runs on your PC
And much more Check out http://www.lejos.org for more information.
Release focus: Initial freshmeat announcement
License: Mozilla Public License (MPL)
Project URL: http://freshmeat.net/projects/lejos/
Homepage: http://freshmeat.net/redir/lejos/70510/url_homepage/www.lejos.org
Tar/GZ: http://freshmeat.net/redir/lejos/70510/url_tgz/lejos_NXJ_0_3_0alpha.tar.gz
Changelog: http://freshmeat.net/redir/lejos/70510/url_changelog/shownotes.php
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le...@freshmeat.net
About:
leJOS is a Java-based replacement firmware (OS) for LEGO Mindstorms
programmable bricks, including RCX and NXT. It supports threads,
exceptions, synchronization, floating point arithmetic, strings, and so
on, but there is no garbage collection yet. It is also designed to be
portable to other small devices.
Changes:
This version includes a full suite of graphical widgets in the
java.microedition.lcdui package, a multi-level menu system, wireless NXT
to NXT communications using Bluetooth, primitive wav file sound support,
and many more smaller enhancements.
Release focus: Major feature enhancements
License: Mozilla Public License (MPL)
Project URL: http://freshmeat.net/projects/lejos/
Homepage: http://freshmeat.net/redir/lejos/70510/url_homepage/www.lejos.org
Tar/GZ: http://freshmeat.net/redir/lejos/70510/url_tgz/lejos_NXJ_0_4_0beta.tar.gz