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# AltOS
This is Keith's "operating system" for [TeleMetrum](../TeleMetrum/).
## Motivation ##
[FreeRTOS](http://freertos.org) turned out to be too heavy for our needs, so
Keith started over from scratch and wrote something that does just what we
needed.
In addition to the firmware for [TeleMetrum](../TeleMetrum) and
[TeleDongle](../TeleDongle) boards, the AltOS source tree also includes a
number of utilities useful for monitoring and logging telemetry during flight,
post-processing flight data for analysis, and utilities for updating firmware,
and developing and debugging new functionality. The first generation of these
utilities were Linux-only, but we are gradually evolving the code to work
across multiple platforms, including Mac and Windows systems.
## Features ##
### User View ###
### Developer View ###
* Licenses
* The software is licensed [GPL version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
## Problems ##
## Artifacts ##
The source is available from [git.gag.com](http://git.gag.com) in the project
[fw/altos](http://git.gag.com/?p=fw/altos;a=summary).
### Linux ###
If you use [Debian](http://www.debian.org), then a pre-built package for
32-bit x86 is currently available here:
wget -O - http://altusmetrum.org/apt/altusmetrum.key | apt-key add -
wget -O /etc/apt/sources.list.d/altos.list http://altusmetrum.org/apt/altos.list
apt-get update
apt-get install altos
If you use some other distribution of Linux, then
a [Linux package](Altos-Linux.tgz) of our second-generation Java bits that
should run on any distribution with a modern Java version is also available.
If you'd rather build from source, our source tree includes documentation on
how to build packages for various
Linux systems such as [Arch Linux](http://www.archlinux.org), and the
debian/ directory contains all the control
files for building the Debian packages on other architectures or derivatives
such as [Ubuntu](http://ubuntu.com).
Bdale has also created a theme for
[GDM](http://projects.gnome.org/gdm/) that he uses on his primary notebook,
and the
[Simple Login Manager](http://slim.berlios.de/) that he uses on all of his
other machines and which is ideally suited for machines dedicated to AltOS
ground station use. It includes a photo of a drag-race between
nearly-identical rockets
built by Keith and Bdale, that was the first time either of us gave TeleMetrum
complete control of a rocket flight without some other backup! This theme is
available in the same repository, to install it just install either gdm or
slim (both already available in Debian), and then do:
apt-get install altusmetrum-themes
### Mac ###
A [Mac OS X package](Altos-Mac.zip) that is compatible with
versions 10.5 "Leopard" and later (including 10.6 "Snow Leopard") is now
available.
### Windows ###
A [Windows package](Altos-Windows.zip) is now available.
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