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133 lines
5.2 KiB
ReStructuredText
133 lines
5.2 KiB
ReStructuredText
Deep Sleep Component
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====================
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.. seo::
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:description: Instructions for setting up the deep sleep support for minimizing power consumption on ESPs.
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:image: hotel.png
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The ``deep_sleep`` component can be used to automatically enter a deep sleep mode on the
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ESP8266/ESP32 after a certain amount of time. This is especially useful with nodes that operate
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on batteries and therefore need to conserve as much energy as possible.
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To use ``deep_sleep`` first specify how long the node should be active, i.e. how long it should
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check sensor values and report them, using the ``run_duration`` options. If you
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use both in your configuration, any time either one of them is finished, the node will go into deep
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sleep mode.
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Next, tell the node how it should wakeup. On the ESP8266, you can only put the node into deep sleep
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for a duration using ``sleep_duration``, note that on the ESP8266 ``GPIO16`` must be connected to
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the ``RST`` pin so that it will wake up again. On the ESP32, you additionally have the option
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to wake up on any RTC pin (``GPIO0``, ``GPIO2``, ``GPIO4``, ``GPIO12``, ``GPIO13``, ``GPIO14``,
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``GPIO15``, ``GPIO25``, ``GPIO26``, ``GPIO27``, ``GPIO32``, ``GPIO39``).
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While in deep sleep mode, the node will not do any work and not respond to any network traffic,
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even Over The Air updates.
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.. code-block:: yaml
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# Example configuration entry
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deep_sleep:
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run_duration: 10s
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sleep_duration: 10min
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Configuration variables:
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------------------------
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- **run_duration** (*Optional*, :ref:`config-time`): The time duration the node should be active, i.e. run code.
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- **sleep_duration** (*Optional*, :ref:`config-time`): The time duration to stay in deep sleep mode.
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- **wakeup_pin** (*Optional*, :ref:`Pin Schema <config-pin_schema>`):
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Only on ESP32. A pin to wake up to once in deep sleep mode. Use the inverted property to wake up
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to LOW signals.
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- **wakeup_pin_mode** (*Optional*): Only on ESP32. Specify how to handle waking up from a ``wakeup_pin`` if
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the wakeup pin is already in the state with which it would wake up when attempting to enter deep sleep.
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See :ref:`deep_sleep-esp32_wakeup_pin_mode`. Defaults to ``IGNORE``
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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Advanced features:
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- **esp32_ext1_wakeup** (*Optional*): Use the EXT1 wakeup source of the ESP32 to wake from deep sleep to
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wake up on multiple pins. This cannot be used together with wakeup pin.
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- **pins** (**Required**, list of pin numbers): The pins to wake up on.
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- **mode** (*Optional*): The mode to use for the wakeup source. Must be one of ``ALL_LOW`` (wake up when
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all pins go LOW) or ``ANY_HIGH`` (wake up when any pin goes HIGH).
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.. _deep_sleep-esp32_wakeup_pin_mode:
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ESP32 Wakeup Pin Mode
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---------------------
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On the ESP32, you have the option of waking up on any RTC pin. However, there's one scenario that you need
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to tell ESPHome how to handle: What if the wakeup pin is already in the state with which it would wake up
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when the deep sleep should start? There are three ways of handling this using the ``wakeup_pin_mode`` option:
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- ``IGNORE`` (Default): Ignore the fact that we will immediately exit the deep sleep mode because the wakeup
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pin is already active.
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- ``KEEP_AWAKE``: Keep the ESP32 awake while the wakeup pin is still active. Or in other words: defer the
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activation of the deep sleep until the wakeup pin is no longer active.
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- ``INVERT_WAKEUP``: When deep sleep was set up to wake up on a HIGH signal, but the wakeup pin is already HIGH,
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then re-configure deep sleep to wake up on a LOW signal and vice versa. Useful in situations when you want to
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use observe the state changes of a pin using deep sleep and the ON/OFF values last longer.
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.. _deep_sleep-enter_action:
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``deep_sleep.enter`` Action
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---------------------------
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This action makes the given deep sleep component enter deep sleep immediately.
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.. code-block:: yaml
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on_...:
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then:
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- deep_sleep.enter: deep_sleep_1
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.. _deep_sleep-prevent_action:
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``deep_sleep.prevent`` Action
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-----------------------------
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This action prevents the given deep sleep component from entering deep sleep.
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Useful for
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.. code-block:: yaml
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on_...:
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then:
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- deep_sleep.prevent: deep_sleep_1
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.. note::
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For example, if you want to upload a binary via OTA with deep sleep mode it can be difficult to
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catch the ESP being active.
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You can use this automation to automatically prevent deep sleep when a MQTT message on the topic
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``livingroom/ota_mode`` is received. Then, to do the OTA update, just
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use a MQTT client to publish a retained MQTT message described above. When the node wakes up again
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it will no longer enter deep sleep mode and you can upload your OTA update.
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Remember to turn "OTA mode" off again after the OTA update by sending a MQTT message with the payload
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``OFF``.
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.. code-block:: yaml
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deep_sleep:
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# ...
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id: deep_sleep_1
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mqtt:
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# ...
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on_message:
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topic: livingroom/ota_mode
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then:
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- deep_sleep.prevent: deep_sleep_1
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See Also
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--------
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- :doc:`switch/shutdown`
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- :ref:`automation`
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- :apiref:`deep_sleep/deep_sleep_component.h`
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- :ghedit:`Edit`
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