--- /dev/null
+# 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.
+
+## 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 available from [git.gag.com](http://git.gag.com) in the project
+[fw/altos](http://git.gag.com/?p=fw/altos;a=summary).
+
+Note that actually building these sources requires a modifified version of
+sdcc and a set of helper utilities that we're not publishing since we hope
+to have the important bits accepted upstream shortly. Watch this space for
+more details soon.
+
Keith has working firmware that has now been flown once and successfully
collected flight data to apogee. The source is also available from
[git.gag.com](http://git.gag.com) in the project
-[fw/altos](http://git.gag.com/?p=fw/altos;a=summary). Not that actually
+[fw/altos](http://git.gag.com/?p=fw/altos;a=summary). Note that actually
building these sources requires a modifified version of sdcc and a set of
helper utilities that we're not publishing since we hope to have the important
bits accepted upstream shortly. Watch this space for more details soon.
chip select, R14 and R15 loaded with 56k, 10k tacked from each to
ground. R17 replaced with short circuit, R18 removed.
-First unit to be flown on 19 April 2009 by Bdale Garbee.
+Installed in Bdale's Vertical Assault. First unit to be flown on
+19 April 2009, on a Cesaroni J335.
## sn 2 ##
chip select, R14 and R15 loaded with 56k, 10k tacked from each to
ground.
-Delivered to Keith Packard for firmware development and use.
+Delivered to Keith Packard for firmware development and use. Flown twice
+on 10 May 2008 in Keith's Grappler to about 45m on Estes D12-3 motors.
## sn 3 ##
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
+Installed in Bdale's Horizon rebuild.
+
## sn 4 ##
Full load of v0.1 PCB on 2009.04.22, two cuts and jumps to rewire P1_2
to be SPI memory chip select, R14 and R15 loaded with 100k, 27k tacked
from each to ground.
+Installed in Robert's Lil Nuke.
+
## sn 5 ##
Partial "ground" load of v0.1 PCB on 2009.04.23 plus beeper and serial
Partial "ground" load of v0.1 PCB on 2009.04.23 for use as TeleDongle.
+Delivered to Keith Packard for firmware development and use.