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'[OT]: Plotting RS232 data'
2002\10\03@175521 by Diego Sierra

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Hi!

I would like to plot in a graph the real-time data I receive via the PC serial port. I tried to use windmill software (http://www.windmill.co.uk) with no success (it lost 8 from 10 values). And also an excel program (RS232Scope), this one said it doesn't receive anything from the port. ¿Is there another free and easy tool to do that?

The data received at the serial port is just a number and a newline, every second more or less.

Cheers,
Diego.

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2002\10\03@185235 by hard Prosser

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Dependent on your exact requirements you might look at

http://www.easyvitools.com/easycontrol/index.html

- A demo version is available for trial for ~21 days I think. Purchase
price is $US23 ?

Can be somewhat frustrating as syntax errors aren't picked up - with
unpredicable results sometimes. On the other hand it can quickly give an on
screen display from a serial port.
Richard P




Hi!

I would like to plot in a graph the real-time data I receive via the PC
serial port. I tried to use windmill software (http://www.windmill.co.uk) with no
success (it lost 8 from 10 values). And also an excel program (RS232Scope),

this one said it doesn't receive anything from the port. ¿Is there another
free and easy tool to do that?

The data received at the serial port is just a number and a newline, every
second more or less.

Cheers,
Diego.

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2002\10\03@185527 by Wagner Lipnharski

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Diego Sierra wrote:
> Hi!
>
> I would like to plot in a graph the real-time data I receive via the
> PC serial port. I tried to use windmill software (http://www.windmill.co.uk)
> with no success (it lost 8 from 10 values). And also an excel program
> (RS232Scope), this one said it doesn't receive anything from the
> port. ¿Is there another free and easy tool to do that?
>
> The data received at the serial port is just a number and a newline,
> every second more or less.
>
> Cheers,
> Diego.


What you do with the data? store in a file also, or just plot into a moving
long bar-graph?
I imagine you are plotting vertical bars side by side, every reception, and
moving it to the left, is that it?
This can be done pretty easily in Visual Basic, even saving in a buffer,
storing in a file, comparing, taking average values, alarms, doing
statistics (max / min / standard deviation, etc).

/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
Wagner Lipnharski - UST Research Inc
Orlando FLorida - USA - http://www.ustr.net
/_/_/_/ Atmel AVR Consultant /_/_/_/

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2002\10\03@192458 by Diego Sierra

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At 18:53 03/10/2002 -0400, you wrote:

>I imagine you are plotting vertical bars side by side, every reception, and
>moving it to the left, is that it?

Yes, and save it on a file too.

>This can be done pretty easily in Visual Basic, even saving in a buffer,

Hehe, that's what I don't want to do. Have you something already made? ;-)

Cheers,
Diego.

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2002\10\04@080403 by Alan B. Pearce

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> (RS232Scope), this one said it doesn't receive anything from the
> port. ?Is there another free and easy tool to do that?

I would suggest you find out why it says there is no data. It sounds like
both programs are receiving nothing, in which case a search for another
program is futile until the basic problem is fixed.

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2002\10\04@130454 by Dwayne Reid

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At 10:42 PM 10/3/02 +0100, Diego Sierra wrote:
>Hi!
>
>I would like to plot in a graph the real-time data I receive via the PC
>serial port. I tried to use windmill software (http://www.windmill.co.uk) with no
>success (it lost 8 from 10 values). And also an excel program
>(RS232Scope), this one said it doesn't receive anything from the port. ¿Is
>there another free and easy tool to do that?

S Plot and SPlot-Pro from <http://www.selmaware.com/s-plot/>
There is a free version also available at <http://www.parallax.com> - look for graphing utilities.

Martin Sebel has done a great job with these utilities - check it out!

dwayne

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2002\10\04@134931 by Diego Sierra

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At 13:03 04/10/2002 +0100, you wrote:
> > (RS232Scope), this one said it doesn't receive anything from the
> > port. ?Is there another free and easy tool to do that?
>
>I would suggest you find out why it says there is no data. It sounds like
>both programs are receiving nothing,

The data is outside there, a simple terminal program (HyperTerm) with the
right serial port settings show me the numbers, one on each line.

I will have a look at the utilities Dwayne recommended.

Thanks,
Diego.

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2002\10\07@044803 by Claudio Tagliola

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If it's an whatever delimited ascii string, do the following:

Capture to file with HyperTerm, open Excel, import object, use file, select
ascii dump. Now, create the graph you want, let it refresh every 60 seconds
or so and off you go. Not real time cause there are two buffers in the
system, but works well on the long run. Just fiddle around with Excel, you
can do a lot of neat tricks there.

Regards,
Claudio

-----Oorspronkelijk bericht-----
Van: pic microcontroller discussion list
[@spam@PICLISTKILLspamspamMITVMA.MIT.EDU]Namens Diego Sierra
Verzonden: donderdag 3 oktober 2002 23:43
Aan: KILLspamPICLISTKILLspamspamMITVMA.MIT.EDU
Onderwerp: [OT]: Plotting RS232 data


Hi!

I would like to plot in a graph the real-time data I receive via the PC
serial port. I tried to use windmill software (http://www.windmill.co.uk) with no
success (it lost 8 from 10 values). And also an excel program (RS232Scope),
this one said it doesn't receive anything from the port. ?Is there another
free and easy tool to do that?

The data received at the serial port is just a number and a newline, every
second more or less.

Cheers,
Diego.

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2002\10\07@071359 by Robert Rolf

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Diego, did you try using the 'new' version of RS232 scope? (Which is VB code,
not Excel).
His web page says that he forgot to include a DLL. I haven't tried it
yet, but if it's been fixed you should be able to get your real time data.

OOPS. In reading the web page, it would seem that RS232 scope
requires that your number be surrounded by a frame header: "TX" and "/T".

You may also need to tie the handshaking line together on the serial
port since the author of RS232 may not have disabled them in the
'open port' command. Typically you tie RTS to CTS and DTR to DSR & CD
if you're only using a 3 wire interface.

R
=========================
www.electronic-engineering.ch/microchip/software/scope.html
RS232 Scope V1.02     (Excel 97 Worksheet)  178 kb ScopeV102.zip

Note: In the previous version I forgot to add one DLL file (because they have
all more or less the same names). So it couldn't work at all. Sorry guys.


Claudio Tagliola wrote:
{Quote hidden}

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2002\10\07@084633 by Al Williams

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Not free, but http://www.al-williams.com/netporter.htm will read serial
data, parse it via regular expressions, and then save it, e-mail it,
server it on the Web, FTP it somewhere, etc. I know of people who have
used this to parse data from serial instruments, save the data to a
comma delimited file, and then load it into excel.

Al Williams
AWC
* Easy RS-232 Prototyping
http://www.al-williams.com/awce/rs1.htm


> {Original Message removed}

2002\10\07@085256 by sws11

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Check out the article in October 2002 issue of Nuts and Volts -- "Simple
Interface Uses Common Tools".

There also is free software available on the web site at
http://www.nutsvolts.com
To get your data into Excel.  This is at
http://emergingtech-llc.com/downloads.htmland is called InByte.

That should help.

Good Luck
Steve Smith
Electrical Engineer


{Original Message removed}

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