Check for kIOReturnError instead of Success #7
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Apparently on Catalina,
IOHIDDeviceOpen()doesn't returnkIOReturnSuccessbut something else. While trying to figure out what error was returned, i noticed that ignoring theIOReturnactually fixed the Error from Issue #6In my case it returns
kIOReturnExclusiveAccess, but it works anyway. So i chose to ignore this specific error.For reference on IOReturns check IOReturn.h
If anyone has time to add more cases to the error check, please feel free.
If anyone has an idea why
kIOReturnSuccessis not returned on Catalina, maybe we can improve this program!