Thanks for sharing,
Can you explain why you cast m=millis() to signed long in the runner() ?
I assume you do it to make the code overflow proof?
Can you proof it is overflow proof? (I don't want to test for ~25 days to check 
Thanks for sharing,
Can you explain why you cast m=millis() to signed long in the runner() ?
I assume you do it to make the code overflow proof?
Can you proof it is overflow proof? (I don't want to test for ~25 days to check