On Sat, 19 Jan 2008, Chip Griffin wrote:
This gives me the impression that only Radio Shack and Peet Bros units are
compatible. I don't see anything in any of the README files that adds to what
is here. The FAQ only adds the following when talking about redirecting
serial ports (how does that really have to do with setting up a weather
station anyway):
if you wish to put your weather station on a remote serial port,
investigate using OWW (for Dallas weather stations), wx200d
daemon for some Radio Shack/Huger/Oregon Scientific weather
stations, or Meteo daemon for Davis weather stations.
So it seems we could use some help gathering the collective consciousness
relating to (a) what is compatible and (b) how to set it up and write up some
docs to go into (a) the help file, (b) the FAQ, and (c) a README file
(perhaps a new one dedicated to weather stuff). I would contribute toward
this goal, but I have no knowledge of the topic (yet).
There's a lot of comments in the source files, that even I, a
non-programmer, can understand. From the first page of wx.c:
//
// The code currently supports these types of locally-connected or
// network-connected weather stations:
//
// Peet Brothers Ultimeter 2000 (Set to Data logging mode)
// Peet Brothers Ultimeter 2000 (Set to Packet mode)
// Peet Brothers Ultimeter 2000 (Set to Complete Record Mode)
// Peet Brothers Ultimeter-II
// Qualimetrics Q-Net?
// Radio Shack WX-200/Huger WM-918/Oregon Scientific WM-918
// Dallas One-Wire Weather Station (via OWW network daemon)
// Davis Weather Monitor II/Wizard III/Vantage Pro (via meteo/db2APRS
link)
//
I'm running a Peet Ultimeter 500, which seems to output the same data
structures as the ultimeter 2000, but with all the 'missing' sensors
zeroed out. I wish there was a way I could configure xastir to ignore
some fields, since it's reporting that it never rains here, rather than
simply not reporting rain as it should. And I don't have a baro sensor,
but it's reporting some strange bogus values...
I haven't found anything in the code that treats a 'networked' weather
station any differently than a serial-connected one, so I'm guessing
that the 'networked' wx station is simply a serial wx station plugged into
a 'serial server' or a 'terminal server', so that if you were to telnet to
the server port, you'd see the same data stream as if you ran minicom on
the serial-connected wx station.
I think Steve mentioned that Weather Display offers a 'server port', so
he might try this experiment:
1) telnet to that 'server port', and capture a screenful of data.
2) Shut down Weather display, and use minicom(if Linux) or hyperterm (if
windows) to look at the datastream directly from the wx station. capture
a screenful of data.
3) If the datastreams look at all similar, try defining a 'networked wx
interface' to xastir, pointing to weather data's 'server port'.
--
Rick Green, N8BJX
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
-Benjamin Franklin
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