Read Arduino interrupt in MATLAB

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G3123 2019-10-24

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https://ww2.mathworks.cn/matlabcentral/answers/487143-read-arduino-interrupt-in-matlab

评论： G3123 2019-10-24

can anyone explain how to read Arduino interrupt pin 13 into Matlab. When I use readDigitalPin(a,'D13') the program crashes. Thanks in Advance.

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Walter Roberson 2019-10-24

In theory that should work; it is even the example given in https://www.mathworks.com/help/supportpkg/arduinoio/ref/readdigitalpin.html

G3123 2019-10-24

Thank you for your response. I have a keypad connected to the Arduino and the Arduino connected to Matlab serial port. When I press a key in the keypad, an external interrupt reaches the 13th pin of Arduino. I need to monitor this pin in Matlab and whenever there's an interrupt, increment a value. I tried using the readDigitalPin command, but when I run the code, it shows "updating server code on board" for a long time and doesn't display anything.

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