MATLAB serial timeout handling.

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Adam
Adam on 22 Jul 2011
A have a "default"-configured serial port. How do I implement timeout error handling?
If I do something like this:
try
fread(SerialObject, 1, 'uint8');
catch err
myError(err)
end
it does not read that as an error (never executes catch block).
What is the proper way to handle it in this situation?

Answers (2)

Chirag Gupta
Chirag Gupta on 22 Jul 2011
The Timeout is a warning and hence you are unable to catch it. Searching a little, I found a couple of references that might be helpful:
May be something like this:
lastwarn('');
try
fread(s)
if(~isempty(lastwarn))
error(lastwarn)
end
catch err
err
end

Chirag Gupta
Chirag Gupta on 22 Jul 2011
  3 Comments
Adam
Adam on 22 Jul 2011
Chirag -- exactly! So what is a good way to handle this on synchronous serial connections?

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