243 lines
7.2 KiB
ReStructuredText
243 lines
7.2 KiB
ReStructuredText
Datetime Component
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==================
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.. seo::
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:description: Instructions for setting up datetime components in ESPHome.
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:image: folder-open.svg
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ESPHome has support for components to create a datetime entity. A datetime entity
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currently represents a date that can be set by the user/frontend.
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.. note::
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Requires Home Assistant 2024.4 or newer.
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.. _config-datetime:
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Base Datetime Configuration
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---------------------------
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All datetime in ESPHome have a name and an optional icon.
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.. code-block:: yaml
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# Example datetime configuration
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name: Date to check
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# Optional variables:
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icon: "mdi:calendar-alert"
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Configuration variables:
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- **name** (**Required**, string): The name for the datetime.
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.. note::
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If you have a :ref:`friendly_name <esphome-configuration_variables>` set for your device and
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you want the datetime to use that name, you can set ``name: None``.
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- **icon** (*Optional*, icon): Manually set the icon to use for the datetime in the frontend.
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- **internal** (*Optional*, boolean): Mark this component as internal. Internal components will
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not be exposed to the frontend (like Home Assistant). Only specifying an ``id`` without
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a ``name`` will implicitly set this to true.
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- **disabled_by_default** (*Optional*, boolean): If true, then this entity should not be added to any client's frontend,
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(usually Home Assistant) without the user manually enabling it (via the Home Assistant UI).
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Requires Home Assistant 2021.9 or newer. Defaults to ``false``.
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- **entity_category** (*Optional*, string): The category of the entity.
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See https://developers.home-assistant.io/docs/core/entity/#generic-properties
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for a list of available options. Requires Home Assistant 2021.11 or newer.
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Set to ``""`` to remove the default entity category.
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MQTT Options:
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- All other options from :ref:`MQTT Component <config-mqtt-component>`.
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Datetime Automation
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-------------------
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You can access the most recent state as a string of the datetime in :ref:`lambdas <config-lambda>` using
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``id(datetime_id).state``.
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You can also access it as a ``ESPTime`` object by ``id(datetime_id).state_as_time``
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.. _datetime-on_value:
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``on_value``
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************
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This automation will be triggered when a new value is published. In :ref:`Lambdas <config-lambda>`
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you can get the value as a ESPTime object from the trigger with ``x``.
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.. code-block:: yaml
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datetime:
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- platform: template
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# ...
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on_value:
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then:
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- lambda: |-
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if(x.hour >= 12) {
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ESP_LOGD("main", "Updated hour is later or equal to 12");
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} else {
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ESP_LOGD("main", "Updated hour is earlier than 12");
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}
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Configuration variables: See :ref:`Automation <automation>`.
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Date Automation
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---------------
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.. _datetime-date_set_action:
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``datetime.date.set`` Action
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****************************
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This is an :ref:`Action <config-action>` for setting a datetime date state.
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The ``date`` provided can be in one of 3 formats:
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.. code-block:: yaml
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# String date
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- datetime.date.set:
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id: my_date
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date: "2023-12-04"
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# Individual date parts
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- datetime.date.set:
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id: my_date
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date:
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year: 2023
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month: 12
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day: 4
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# Using a lambda
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- datetime.date.set:
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id: my_date
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date: !lambda |-
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// Return an ESPTime struct
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return {.day_of_month: 4, .month: 12, .year: 2023};
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Configuration variables:
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- **id** (**Required**, :ref:`config-id`): The ID of the datetime to set.
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- **date** (**Required**, string, date parts, :ref:`templatable <config-templatable>`):
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The value to set the datetime to.
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.. _datetime-lambda_calls:
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lambda calls
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************
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From :ref:`lambdas <config-lambda>`, you can call several methods on all datetimes to do some
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advanced stuff (see the full API Reference for more info).
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- ``.make_call()``: Make a call for updating the datetime value.
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.. code-block:: cpp
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// Within lambda, set the date to 2024-02-25
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auto call = id(my_date).make_call();
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call.set_date("2024-02-25");
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call.perform();
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Check the API reference for information on the methods that are available for
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the ``DateCall`` object.
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- ``.year``: Retrieve the current year of the ``date``. It will be ``0`` if no value has been set.
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- ``.month``: Retrieve the current month of the ``date``. It will be ``0`` if no value has been set.
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- ``.day``: Retrieve the current day of the ``date``. It will be ``0`` if no value has been set.
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- ``.state_as_esptime()``: Retrieve the current value of the datetime as a :apistruct:`ESPTime` object.
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.. code-block:: cpp
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// For example, create a custom log message when a value is received:
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ESP_LOGI("main", "Value of my datetime: %04d-%02d-%02d", id(my_date).year, id(my_date).month, id(my_date).day);
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Time Automation
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---------------
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.. _datetime-time_set_action:
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``datetime.time.set`` Action
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****************************
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This is an :ref:`Action <config-action>` for setting a datetime time state.
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The ``time`` provided can be in one of 3 formats:
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.. code-block:: yaml
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# String time
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- datetime.time.set:
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id: my_time
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time: "12:34:56"
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# Individual time parts
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- datetime.time.set:
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id: my_time
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time:
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hour: 12
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minute: 34
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second: 56
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# Using a lambda
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- datetime.time.set:
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id: my_time
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time: !lambda |-
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// Return an ESPTime struct
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return {.second: 56, .minute: 34, .hour: 12};
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Configuration variables:
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- **id** (**Required**, :ref:`config-id`): The ID of the datetime to set.
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- **time** (**Required**, string, time parts, :ref:`templatable <config-templatable>`):
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The value to set the datetime to.
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.. _datetime-time-lambda_calls:
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lambda calls
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************
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From :ref:`lambdas <config-lambda>`, you can call several methods on all datetimes to do some
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advanced stuff (see the full API Reference for more info).
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- ``.make_call()``: Make a call for updating the datetime value.
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.. code-block:: cpp
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// Within lambda, set the time to 12:34:56
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auto call = id(my_time).make_call();
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call.set_date("12:34:56");
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call.perform();
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Check the API reference for information on the methods that are available for
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the ``TimeCall`` object.
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- ``.hour``: Retrieve the current hour of the ``time``. It will be ``0`` if no value has been set.
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- ``.minute``: Retrieve the current minute of the ``time``. It will be ``0`` if no value has been set.
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- ``.second``: Retrieve the current second of the ``time``. It will be ``0`` if no value has been set.
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- ``.state_as_esptime()``: Retrieve the current value of the datetime as a :apistruct:`ESPTime` object.
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.. code-block:: cpp
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// For example, create a custom log message when a value is received:
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ESP_LOGI("main", "Value of my datetime: %0d:%02d:%02d", id(my_time).hour, id(my_time).minute, id(my_time).second);
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See Also
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--------
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- :apiref:`DateTimeBase <datetime/datetime_base.h>`
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- :apiref:`DateEntity <datetime/date_entity.h>`
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- :apiref:`DateCall <datetime/date_entity.h>`
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- :apiref:`TimeeEntity <datetime/time_entity.h>`
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- :apiref:`TimeCall <datetime/time_entity.h>`
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- :ghedit:`Edit`
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.. toctree::
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:maxdepth: 1
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:glob:
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*
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