def timer_tick(self):
        self.timing.timer_tick()  # notifies the timing module
        self.events.post('timer_tick')  # sends the timer_tick system event
        self.tick_num += 1
        Task.timer_tick()  # notifies tasks
        DelayManager.timer_tick(self)
        self.events._process_event_queue()
Called by the platform each machine tick based on self.HZ
dataset/ETHPy150Open missionpinball/mpf/mpf/media_controller/core/media_controller.py/MediaController.timer_tick