Subject: Temperture data acq RS232 network system.
From: ACRE NL
Date: 11/16/2002, 10:48 AM


Ed, and anybody else that is interested, here is the D5000 manual.

Ed, what O.S. does your notebook use. The software came with
a terminal program. Different versions for different O.S.'s
I'll send you the right version.

Terminal programs are real easy to use. It is like sending
email. You say something to the data acq module and the module
talks back :-)

Paul Lamar


Paul, I have Windows 95.0 Ver 4.00.950A on the laptop and it has a
Hyperterminal which provides the Terminal program.  I can hook it up
to
COM1
and can set baud and the other settings including control  Not
familar
with
the control options.  For control setting  has Xon/Xoff and Hardware
and
a
third one -None (I think -forgot to copy it down) options.  .  It
supposedly
can handle up to 38400 baud but I think 9600 might be enough and
conservative without getting data drop out. I'll read over the
user's
manual
and see what it calls for or if you have any suggestions - suggest
away.

Ed Anderson


Sounds good. Ought to work fine. Keep reading :-)

I am not sure what this is but I think it is a config file for
Hyper Terminal Windows 95. Or it could be a HT script file.
Something Omega sent me. I'll wire the unit up and get it working
and configed before I send the whole works.

Paul Lamar


Ok, Paul

    Also, I just happen to think, I can place my Garmin in the holder
here
at home with the LapTop and get the GPS end of checked out before even
sticking it in the aircraft.  The question I presume is how to
interleave
the D5000 data stream and the 2 second interval GPS data in a capture
program.  Anyhow, lets keep working on it.

Ed


The GPS data takes awhile to download so we will capture all data
only every four seconds rather than just every two seconds :-)
ON TIMER(4)

Let me know if that GPS capture program I sent works with your GPS.
If you average the lat long data over a period of time you will
know precisely, down to the inch, where your house is :-)
Not only that you can set your clocks in the house accurate
to a microsecond :-)

Paul Lamar


Paul,
Win95 is a multitasking OS so by necessity it must run in protected mode to
allocate, regulate and protect machine resources from concurrent tasks. This
requires another layer of
code between Windows and DOS (a "real time executive"). Shelling out to DOS
by running a DOS window session from within Windows requires this extra
layer.  However, booting directly to DOS (hold down the F8 key at boot and
select "command prompt" from the menu) bypasses the layer. In this mode,
Win95 DOS is 99% the same as DOS ver 6.2 and ver 5.0. Suggest you do this if
you find a problem, particularly a timing problem. Perhaps a better solution
would be to supply a boot disk with an autoexec batch file command to run
the application?

Kind regards,
Aden
021116

Thanks Aden. It worked great on my IBM notebook running Windows 98.
Direct to DOS. 

The DOS boot disk was kind of strange. It booted DOS OK
but I could not see the C: drive???? Not a problem if the program,
DOS and the data file is less than 1.5 meg.

Paul Lamar
 
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