esphome-docs/esphomeyaml/components/cover/template.rst
2018-08-24 22:44:01 +02:00

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Template Cover
==============
The ``template`` cover platform allows you to create simple covers out of just a few
actions and a value lambda. Once defined, it will automatically appear in Home Assistant
as a cover and can be controlled through the frontend.
.. figure:: images/cover-ui.png
:align: center
:width: 75.0%
.. code:: yaml
# Example configuration entry
cover:
- platform: template
name: "Template Cover"
lambda: >-
if (id(top_end_stop).value) {
return cover::COVER_OPEN;
} else {
return cover::COVER_CLOSED;
}
open_action:
- switch.turn_on:
id: open_cover_switch
close_action:
- switch.turn_on:
id: close_cover_switch
stop_action:
- switch.turn_on:
id: stop_cover_switch
optimistic: true
Possible return values for the optional lambda:
- ``return cover::COVER_OPEN;`` if the cover should be reported as OPEN.
- ``return cover::COVER_CLOSED;`` if the cover should be reported as CLOSED.
- ``return {};`` if the last state should be repeated.
Configuration variables:
------------------------
- **name** (**Required**, string): The name of the cover.
- **lambda** (*Optional*, :ref:`lambda <config-lambda>`):
Lambda to be evaluated repeatedly to get the current state of the cover.
Only state *changes* will be published to MQTT.
- **optimistic** (*Optional*, boolean): Whether to operate in optimistic mode - when in this mode,
any command sent to the template cover will immediately update the reported state and no lambda
needs to be used. Defaults to ``false``.
- **open_action** (*Optional*, :ref:`Action <config-action>`): The action that should
be performed when the remote (like Home Assistant's frontend) requests the cover to be opened.
- **close_action** (*Optional*, :ref:`Action <config-action>`): The action that should
be performed when the remote requests the cover to be closed.
- **stop_action** (*Optional*, :ref:`Action <config-action>`): The action that should
be performed when the remote requests the cover to stopped.
- **id** (*Optional*,
:ref:`config-id`): Manually specify
the ID used for code generation.
- All other options from :ref:`Binary Sensor <config-binary_sensor>`
and :ref:`MQTT Component <config-mqtt-component>`.
See Also
--------
- :doc:`/esphomeyaml/components/cover/index`
- :ref:`automation`
- :doc:`/esphomeyaml/cookbook/garage-door`
- :doc:`API Reference </api/cover/template>`
- `Edit this page on GitHub <https://github.com/OttoWinter/esphomedocs/blob/current/esphomeyaml/components/cover/template.rst>`__