Is it possible to read from a rotary encoder continuously in the background while being able to call other MATLAB functions?

Question

Keith Johnson 2018-12-12

0
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https://ww2.mathworks.cn/matlabcentral/answers/435423-is-it-possible-to-read-from-a-rotary-encoder-continuously-in-the-background-while-being-able-to-call

回答： Image Analyst 2018-12-12

If I do someting like this, I can get input from my rotary encoder.

a = arduino('COM4','Uno','Libraries','rotaryEncoder');
encoder = rotaryEncoder(a,'D3','D2',1024);
i=1;
tic
while toc < 5
    count(i) = readCount(encoder);
    i = i+1;
end

If possible, I would like to be able to read the position of the rotary encoder continuously, but have that going on in the background so I can still call other functions.

So

%Start reading from rotary encoder
%Call other functions while still reading from the rotary encoder
%Stop reading from rotary encoder

Is there a way to do this in MATLAB?

Thanks

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Answer 1

Image Analyst 2018-12-12

0
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https://ww2.mathworks.cn/matlabcentral/answers/435423-is-it-possible-to-read-from-a-rotary-encoder-continuously-in-the-background-while-being-able-to-call#answer_352015

You can have a timer setup to run it. I do that in some of my programs where I have it poll a switch that the user can hit to snap a picture, yet they are still able to interact with other controls on the GUI.