Comments (4)
Which hardware are you using for this? I can't reproduce the problem for Uno/Micro/ATMega2560
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I just tried to compile for an ESP32 (which I happened to purchase this weekend) and get the compiler error you mentioned.
Unfortunately when I fixed that error, I received an error regarding the interrupt handling, which is done differently on the ESP32 than with Atmel chips. I will fix this for the ESP32 but don't know if that is the microprocessor you are using.
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Yes, its an ESP32. Sorry for not mentioning it previously.
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I've uploaded a new version of the SquareWave.ino program which should fix the interrupt issue.
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