Attempting connection with Arduino and Matlab

Question

Bryan Rothschild 2016-4-25

0
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https://ww2.mathworks.cn/matlabcentral/answers/280773-attempting-connection-with-arduino-and-matlab

编辑： Arnab Sen 2016-4-28

Hi! I am using simulink and connection an arduino uno board to my mac via USB. My problem is, whenever I run my code, the command window says, " attempting connection . . . . . " This takes a long time, about 10 seconds. Any way to make it faster?

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Answer 1

Arnab Sen 2016-4-28

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https://ww2.mathworks.cn/matlabcentral/answers/280773-attempting-connection-with-arduino-and-matlab#answer_219782

编辑：Arnab Sen 2016-4-28

在 MATLAB Online 中打开

Hello Bryan,

The origin of this issue could be that the MATLAB serial command is taking longer to respond. Try opening the arduino.m file and replacing the lines 89 to 92:

                for i=1:7,
                    fprintf(1,'.');
                    pause(1);
                end

with these ones:

                for i=1:15,
                    fprintf(1,'.');
                    pause(1);
                end

to see if that solves the issue.

Following links might be helpful:

http://www.mathworks.com/matlabcentral/answers/31595-connecting-to-arduino-timeout

http://www.mathworks.com/matlabcentral/answers/161002-cannot-connect-arduino-uno-to-matlab-r2014b

In case the issue still persists, you may consider contacting MathWorks Technical Support Team of your region and their Engineer will look into more details into the matter and assist you to resolve it.