Handling millis() rollover

[peekay123]

@damccull, you may want to do a forum search. Here is one topic I picked up from a search on "millis roll"

Micros() rolling over after 59.652323 seconds, not 71 minutes [SOLVED]

I’m running the following code: void setup (void) { Serial.begin(38400); } void loop (void) { Serial.println ("millis() = " + String(millis()) + "micros() = " + String(micros())); delay (1000); } Produces the following results: millis = 57996, micros = 58017760 millis = 59004, micros = 59025514 millis = 60013, micros = 381959 millis = 61020, micros = 1389481 millis = 62029, micros = 2398259 millis = 63038, micros = 3407027 millis = 116470, micros = 56839482 millis = 117479, mic…