Conditions
----------


A condition (Port2 high) causes the state 'Port2Light' to be skipped without waiting
for the timer to expire.

.. image:: conditions.svg
   :align: center

.. tab-set::

   .. tab-item:: Python

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

   .. tab-item:: JSON

    .. code-block:: json

       {
         "states": {
           "Port1Light": {
             "timer": 1.0,
             "transitions": {
               "Tup": "Port2Light"
             },
             "actions": {
               "PWM1": 255
             }
           },
           "Port2Light": {
             "timer": 1.0,
             "transitions": {
               "Tup": "Port3Light",
               "Condition2": "Port3Light"
             },
             "actions": {
               "PWM2": 255
             }
           },
           "Port3Light": {
             "timer": 1.0,
             "transitions": {
               "Tup": ">exit"
             },
             "actions": {
               "PWM3": 255
             }
           }
         },
         "conditions": {
           "2": {
             "channel": "Port2",
             "value": true
           }
         }
       }

   .. tab-item:: YAML

    .. code-block:: yaml

       states:
         Port1Light:
           timer: 1.0
           transitions:
             Tup: Port2Light
           actions:
             PWM1: 255
         Port2Light:
           timer: 1.0
           transitions:
             Tup: Port3Light
             Condition2: Port3Light
           actions:
             PWM2: 255
         Port3Light:
           timer: 1.0
           transitions:
             Tup: '>exit'
           actions:
             PWM3: 255
       conditions:
         2:
           channel: Port2
           value: true