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Topic: How to avoid "Timeout waiting for OBJ to stop."
Replies: 1   Last Post: May 7, 2014 12:13 PM

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Valeriy

Posts: 55
Registered: 3/17/08
How to avoid "Timeout waiting for OBJ to stop."
Posted: Oct 19, 2013 7:38 AM
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Hi all

I have a problem with acquisition of data from soundcard under Win7/32
with Data Acquisition Toolbox and Matlab 7.12.0.

Data reading from soundcard works well during long time, which can be
from tens' minutes till few hours but occasionally process stop with
following error message:

Warning: Internal STOP error: Timeout waiting for OBJ to stop.
Stop has been forced.

Increasing of waiting time in wait command give not results:
start(AI)
wait(AI,duration+5);
data=getdata(AI);
it only increase waiting time before showing error message.

Putting this command lines inside try/catch structure did not helps as
well

It seems that soundcard hardly stop responding on demand of Matlab, but
change of soundcard did not helps in solving of this problem.

Experiments with change of TriggerType did not help as well

It seems that authors of
http://www.mathworks.com/matlabcentral/answers/13436

who have similar problem fix it by using session-specific interface,
but it seems that this is possible only with National Instruments
hardware, not with the soundcards. These authors state also that
change of Matlab version did not help with this problem.

1. How to possible to fix this problem?

2. If answer on question 1 is negative, is it possible to recover work
of function to continue measurements after this error?

Many thanks for constructive reply

Valeriy



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