Global Timers
-------------


A global timer ends an infinite loop when 5 seconds have passed.

.. image:: global_timers.svg
   :align: center

.. tab-set::

   .. tab-item:: Python

    .. literalinclude:: ../../../../examples/state_machines/global_timers.py
       :language: python
       :start-at: from bpod_core.

   .. tab-item:: JSON

    .. code-block:: json

       {
         "states": {
           "StartGlobalTimer": {
             "timer": 0.25,
             "transitions": {
               "Tup": "Port1Light"
             },
             "actions": {
               "GlobalTimerTrig": 0
             }
           },
           "Port1Light": {
             "timer": 0.25,
             "transitions": {
               "Tup": "Port3Light",
               "GlobalTimer0_End": ">exit"
             },
             "actions": {
               "PWM1": 255
             }
           },
           "Port3Light": {
             "timer": 0.25,
             "transitions": {
               "Tup": "Port1Light",
               "GlobalTimer0_End": ">exit"
             },
             "actions": {
               "PWM3": 255
             }
           }
         },
         "global_timers": {
           "0": {
             "duration": 5.0
           }
         }
       }

   .. tab-item:: YAML

    .. code-block:: yaml

       states:
         StartGlobalTimer:
           timer: 0.25
           transitions:
             Tup: Port1Light
           actions:
             GlobalTimerTrig: 0
         Port1Light:
           timer: 0.25
           transitions:
             Tup: Port3Light
             GlobalTimer0_End: '>exit'
           actions:
             PWM1: 255
         Port3Light:
           timer: 0.25
           transitions:
             Tup: Port1Light
             GlobalTimer0_End: '>exit'
           actions:
             PWM3: 255
       global_timers:
         0:
           duration: 5.0