timer.ino 235 Bytes
void elapsed(){ //not used for now
  unsigned long over;    
  m = int(elapsedTime / 60000);
  over = elapsedTime % 60000;
  s = int(over / 1000);
  ms = over % 1000;
}

int elapsedt(int startedTime){
  return millis() - startedTime;
}