X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=doc%2Faltusmetrum.xsl;h=c5c08d4e0e1a78073361210bc49ddb135823c2c6;hb=d7973de32adff5402844cc1e1da3eced05265074;hp=5dd93fdff287382690068444a336a15bc456d1c3;hpb=320d90c376dccfe1599505e3b485df8d46e34bb3;p=fw%2Faltos
diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl
index 5dd93fdf..c5c08d4e 100644
--- a/doc/altusmetrum.xsl
+++ b/doc/altusmetrum.xsl
@@ -22,7 +22,7 @@
Towns
- 2011
+ 2013
Bdale Garbee and Keith Packard
@@ -35,6 +35,22 @@
+
+ 1.1.1
+ 16 September 2012
+
+ Updated for software version 1.1.1 Version 1.1.1 fixes a few
+ bugs found in version 1.1.
+
+
+
+ 1.1
+ 13 September 2012
+
+ Updated for software version 1.1. Version 1.1 has new
+ features but is otherwise compatible with version 1.0.
+
+
1.0
24 August 2011
@@ -106,7 +122,7 @@ NAR #88757, TRA #12200
support optional capabilities in the future.
- The newest device is TeleMini, a dual deploy altimeter with
+ Our second device was TeleMini, a dual deploy altimeter with
radio telemetry and radio direction finding. This device is only
13mm by 38mm (½ inch by 1½ inches) and can fit easily in an 18mm
air-frame.
@@ -156,8 +172,9 @@ NAR #88757, TRA #12200
The TeleMini battery can be charged by disconnecting it from the
TeleMini board and plugging it into a standalone battery charger
- board, and connecting that via a USB cable to a laptop or other USB
- power source
+ such as the LipoCharger product included in TeleMini Starter Kits,
+ and connecting that via a USB cable to a laptop or other USB
+ power source.
The other active device in the starter kit is the TeleDongle USB to
@@ -261,6 +278,19 @@ NAR #88757, TRA #12200
apogee and main ejection charges. All Altus Metrum products are
designed for use with single-cell batteries with 3.7 volts nominal.
+
+ The battery connectors are a standard 2-pin JST connector and
+ match batteries sold by Spark Fun. These batteries are
+ single-cell Lithium Polymer batteries that nominally provide 3.7
+ volts. Other vendors sell similar batteries for RC aircraft
+ using mating connectors, however the polarity for those is
+ generally reversed from the batteries used by Altus Metrum
+ products. In particular, the Tenergy batteries supplied for use
+ in Featherweight flight computers are not compatible with Altus
+ Metrum flight computers or battery chargers. Check
+ polarity and voltage before connecting any battery not purchased
+ from Altus Metrum or Spark Fun.
+
By default, we use the unregulated output of the Li-Po battery directly
to fire ejection charges. This works marvelously with standard
@@ -356,6 +386,36 @@ NAR #88757, TRA #12200
tower with a screw-driver trying to turn on your avionics before
installing igniters!
+
+ TeleMini is configured via the radio link. Of course, that
+ means you need to know the TeleMini radio configuration values
+ or you won't be able to communicate with it. For situations
+ when you don't have the radio configuration values, TeleMini
+ offers an 'emergency recovery' mode. In this mode, TeleMini is
+ configured as follows:
+
+
+ Sets the radio frequency to 434.550MHz
+
+
+ Sets the radio calibration back to the factory value.
+
+
+ Sets the callsign to N0CALL
+
+
+ Does not go to 'pad' mode after five seconds.
+
+
+
+
+ To get into 'emergency recovery' mode, first find the row of
+ four small holes opposite the switch wiring. Using a short
+ piece of small gauge wire, connect the outer two holes
+ together, then power TeleMini up. Once the red LED is lit,
+ disconnect the wire and the board should signal that it's in
+ 'idle' mode after the initial five second startup period.
+
GPS
@@ -465,7 +525,7 @@ NAR #88757, TRA #12200
You can monitor the operation of the radio link by watching the
lights on the devices. The red LED will flash each time a packet
- is tramsitted, while the green LED will light up on TeleDongle when
+ is transmitted, while the green LED will light up on TeleDongle when
it is waiting to receive a packet from the altimeter.
@@ -740,6 +800,15 @@ NAR #88757, TRA #12200
incorrect data from being reported.
+
+
+ The age of the displayed data, in seconds since the last
+ successfully received telemetry packet. In normal operation
+ this will stay in the low single digits. If the number starts
+ counting up, then you are no longer receiving data over the radio
+ link from the flight computer.
+
+
Finally, the largest portion of the window contains a set of
@@ -864,14 +933,16 @@ NAR #88757, TRA #12200
be below 10m/s when under the main parachute in a dual-deploy flight.
- For TeleMetrum altimeters, you can locate the rocket in the sky
- using the elevation and
- bearing information to figure out where to look. Elevation is
- in degrees above the horizon. Bearing is reported in degrees
- relative to true north. Range can help figure out how big the
- rocket will appear. Note that all of these values are relative
- to the pad location. If the elevation is near 90°, the rocket
- is over the pad, not over you.
+ For TeleMetrum altimeters, you can locate the rocket in the
+ sky using the elevation and bearing information to figure
+ out where to look. Elevation is in degrees above the
+ horizon. Bearing is reported in degrees relative to true
+ north. Range can help figure out how big the rocket will
+ appear. Ground Distance shows how far it is to a point
+ directly under the rocket and can help figure out where the
+ rocket is likely to land. Note that all of these values are
+ relative to the pad location. If the elevation is near 90°,
+ the rocket is over the pad, not over you.
Finally, the igniter voltages are reported in this tab as
@@ -1543,7 +1614,9 @@ NAR #88757, TRA #12200
On the Ground
To receive the data stream from the rocket, you need an antenna and short
- feed-line connected to one of our TeleDongle units. The
+ feed-line connected to one of our TeleDongle units. If possible, use an SMA to BNC
+ adapter instead of feedline between the antenna feedpoint and
+ TeleDongle, as this will give you the best performance. The
TeleDongle in turn plugs directly into the USB port on a notebook
computer. Because TeleDongle looks like a simple serial port, your computer
does not require special device drivers... just plug it in.
@@ -1580,7 +1653,7 @@ NAR #88757, TRA #12200
So, to recap, on the ground the hardware you'll need includes:
- an antenna and feed-line
+ an antenna and feed-line or adapter
a TeleDongle
@@ -1603,7 +1676,9 @@ NAR #88757, TRA #12200
Arrow Antennas.
The 440-3 and 440-5 are both good choices for finding a
- TeleMetrum- or TeleMini- equipped rocket when used with a suitable 70cm HT.
+ TeleMetrum- or TeleMini- equipped rocket when used with a suitable
+ 70cm HT. TeleDongle and an SMA to BNC adapter fit perfectly
+ between the driven element and reflector of Arrow antennas.
@@ -1629,22 +1704,36 @@ NAR #88757, TRA #12200
Future Plans
- In the future, we intend to offer "companion boards" for the rocket that will
- plug in to TeleMetrum to collect additional data, provide more pyro channels,
- and so forth.
+ In the future, we intend to offer "companion boards" for the rocket
+ that will plug in to TeleMetrum to collect additional data, provide
+ more pyro channels, and so forth.
- We are also working on the design of a hand-held ground terminal that will
- allow monitoring the rocket's status, collecting data during flight, and
- logging data after flight without the need for a notebook computer on the
- flight line. Particularly since it is so difficult to read most notebook
- screens in direct sunlight, we think this will be a great thing to have.
+ Also under design is a new flight computer with more sensors, more
+ pyro channels, and a more powerful radio system designed for use
+ in multi-stage, complex, and extreme altitude projects.
- Because all of our work is open, both the hardware designs and the software,
- if you have some great idea for an addition to the current Altus Metrum family,
- feel free to dive in and help! Or let us know what you'd like to see that
- we aren't already working on, and maybe we'll get excited about it too...
+ We are also working on alternatives to TeleDongle. One is a
+ a stand-alone, hand-held ground terminal that will allow monitoring
+ the rocket's status, collecting data during flight, and logging data
+ after flight without the need for a notebook computer on the
+ flight line. Particularly since it is so difficult to read most
+ notebook screens in direct sunlight, we think this will be a great
+ thing to have. We are also working on a TeleDongle variant with
+ Bluetooth that will work with Android phones and tablets.
+
+
+ Because all of our work is open, both the hardware designs and the
+ software, if you have some great idea for an addition to the current
+ Altus Metrum family, feel free to dive in and help! Or let us know
+ what you'd like to see that we aren't already working on, and maybe
+ we'll get excited about it too...
+
+
+ Watch our
+ web site for more news
+ and information as our family of products evolves!
@@ -2181,7 +2270,7 @@ NAR #88757, TRA #12200
- RF interface for battery charging, configuration, and data recovery.
+ RF interface for configuration, and data recovery.
@@ -2451,6 +2540,37 @@ NAR #88757, TRA #12200
once you enable the voice output!
+
+ Drill Templates
+
+ These images, when printed, provide precise templates for the
+ mounting holes in Altus Metrum flight computers
+
+
+ TeleMetrum template
+
+ TeleMetrum has overall dimensions of 1.000 x 2.750 inches, and the
+ mounting holes are sized for use with 4-40 or M3 screws.
+
+
+
+
+
+
+
+
+ TeleMini template
+
+ TeleMini has overall dimensions of 0.500 x 1.500 inches, and the
+ mounting holes are sized for use with 2-56 or M2 screws.
+
+
+
+
+
+
+
+
Calibration
@@ -2559,12 +2679,14 @@ NAR #88757, TRA #12200
Release Notes
-
-
-
-
-
-
+ Version 1.2
+ Version 1.1.1
+ Version 1.1
+ Version 1.0.1
+ Version 0.9.2
+ Version 0.9
+ Version 0.8
+ Version 0.7.1