[etherlab-users] TestManager Sampling rate + accuracy issue

Richard Hacker ha at igh-essen.com
Wed Dec 15 14:16:48 CET 2010


Hello Alex,

apologies accepted, very honourable of you!!!

We are keen to help as far as our time allows. We are also greatful if anyone 
finds a bug and reports it, even more so if a patch is included. Even requests 
are considered if they improve the project. I can understand your frustration 
(documentation is severly lacking), however, the tone must be appropriate.

Regards
Richard

On Wednesday 15 December 2010 12:05:07 Alex C. Marton wrote:
> Dear Mr. Hacker,
> Dear EtherLab community,
> 
> I admit I was wrong and I regret what I did.
> Please accept my apologies to you and to the whole EtherLab community for
>  the post, my inappropriate use of language and my misspelled words!
> I admit I spent a lot of time since yesterday thinking about "How can I
>  right a wrong?" that I did to you, but I do not believe I can do you any
>  justice by adding anything else than a sincere "I am sorry and I
>  apologise!". Nevertheless, I do take full responsibility for everything I
>  have done as I am aware I have misjudged my own actions. You have full
>  freedom to decide what action to take in this case.
> 
> Alex C. Marton
> 
> ________________________________
> From: Alex C. Marton <martonalex at yahoo.com>
> To: Dr.-Ing. Wilhelm Hagemeister <hm at igh-essen.com>
> Sent: Tue, December 14, 2010 4:10:01 PM
> Subject: Re: [etherlab-users] TestManager Sampling rate + accuracy issue
> 
> 
> Dear Mr. Hagemeister,
> Dear EtherLAB users,
> 
> I apologise for my previous post and my inappropriate language! I realise I
>  made a mistake letting my feelings for this kind of work get in the way of
>  the actual question/work.
> I have no excuses on my part to justify my language, nor do I wish to tell
>  you any.
> 
> Thank you again for your consideration!
> Have a good day!
> Alex M.
> 
> 
> ________________________________
> From: Dr.-Ing. Wilhelm Hagemeister <hm at igh-essen.com>
> To: Alex C. Marton <martonalex at yahoo.com>; etherlab-users at etherlab.org
> Sent: Tue, December 14, 2010 2:55:50 PM
> Subject: Re: [etherlab-users] TestManager Sampling rate + accuracy issue
> 
> Dear Mr Marton,
> 
> if you don't like the TestManager you can bring it back to the shop and
> you get back what you payed for it...
> 
> If you want to have answers for your questions I would advice you to ask
> them in a more polite way...
> 
> Regards Wilhelm.
> 
> Am 14.12.2010 11:38, schrieb Alex C. Marton:
> > Dear all,
> >
> > I have a problem with the data acquisition in TestManager.
> >
> > First of all, my specs:
> > etherlab 1.2-rc10
> > My linux version is: openSUSE 11.2 "Emerald" - Kernel \r
> > My RTAI version is 3.7.1
> > Matlab is R2009b, Simulink version is: v 7.4 and RTW is: v 7.4
> >
> > Now, I have just learnt through experimenting that the "fundamental
> > sample time" in the configuration Parameters in my Simulink model i have
> > built, is actually the maximal sampling frequency that will appear in
> > TestManager , in the Data Transfer option for every channel.  This is
> > quite a find for me because nobody explains this stuff anywhere! The
> > Testmanager documentation is in German (lol!), all I have is an english
> > translated documentation for TestManager 3.4 which is not good at all.
> > Ok, now that I finnaly can sample at the sampling rate I want, next step
> > is to choose the accuracy for each channel, right? Not quite! Well it
> > turns out that whatever accuracy i put in there (3,4...9) and then
> > trying to acquire some channels using the Scope, and then exporting the
> > acquired data in Matlab-format, Testmanager never respects/maintains the
> > accuracy number i put in there. For example if i select 1000Hz sampling
> > time + 3 accuracy  (3 digits after the "." in the number) for a channel,
> > then after exporting, Testmanager just spits out data @ 1000Hz with 16
> > floating point digits after the "." in the number. This of course  has
> > serious impact because for 10 seconds of data i get files of 11-20 mb
> > for 1 channel -> aka not good!
> > May I ask you: "what is going on?" because I have no idea.
> > Thank you for your time!
> >
> >
> > Alex M.
> >
> >
> >
> > _______________________________________________
> > etherlab-users mailing list
> > etherlab-users at etherlab.org
> > http://lists.etherlab.org/mailman/listinfo/etherlab-users
> 

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