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410 lines
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410 lines
12 KiB
ReStructuredText
RF Bridge Component
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===================
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.. seo::
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:description: Instructions for setting up the RF Bridge in ESPHome.
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:image: rf_bridge.jpg
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:keywords: RF Bridge
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The ``RF Bridge`` Component provides the ability to send and receive 433MHz remote codes using the
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embedded EFM8BB1 microcontroller. This component implements the communication protocol
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that the original ``efm8bb1`` firmware implements. The device is connected via the
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:doc:`UART bus </components/uart>`. The uart bus must be configured at the same speed of the module
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which is 19200bps.
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.. warning::
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If you are using the :doc:`logger` make sure you disable the uart logging with the
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``baud_rate: 0`` option.
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.. figure:: images/rf_bridge-full.jpg
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:align: center
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:width: 60.0%
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.. code-block:: yaml
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# Example configuration entry
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uart:
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baud_rate: 19200
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rf_bridge:
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on_code_received:
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- homeassistant.event:
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event: esphome.rf_code_received
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data:
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sync: !lambda 'return format_hex(data.sync);'
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low: !lambda 'return format_hex(data.low);'
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high: !lambda 'return format_hex(data.high);'
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code: !lambda 'return format_hex(data.code);'
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Configuration variables:
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------------------------
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- **uart_id** (*Optional*, :ref:`config-id`): Manually specify the ID of the UART hub.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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- **on_code_received** (*Optional*, :ref:`Automation <automation>`): An action to be
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performed when a code is received. See :ref:`rf_bridge-on_code_received`.
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.. _rf_bridge-on_code_received:
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``on_code_received`` Trigger
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----------------------------
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With this configuration option you can write complex automations whenever a code is
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received. To use the code, use a :ref:`lambda <config-lambda>` template, the code
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and the corresponding protocol timings are available inside that lambda under the
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variables named ``code``, ``sync``, ``high`` and ``low``.
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.. code-block:: yaml
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on_code_received:
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- homeassistant.event:
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event: esphome.rf_code_received
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data:
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sync: !lambda 'return format_hex(data.sync);'
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low: !lambda 'return format_hex(data.low);'
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high: !lambda 'return format_hex(data.high);'
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code: !lambda 'return format_hex(data.code);'
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.. _rf_bridge-send_code_action:
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``rf_bridge.send_code`` Action
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------------------------------
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Send an RF code using this action in automations.
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.send_code:
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sync: 0x700
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low: 0x800
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high: 0x1000
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code: 0xABC123
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Configuration options:
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- **sync** (**Required**, int, :ref:`templatable <config-templatable>`): RF Sync timing
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- **low** (**Required**, int, :ref:`templatable <config-templatable>`): RF Low timing
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- **high** (**Required**, int, :ref:`templatable <config-templatable>`): RF high timing
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- **code** (**Required**, int, :ref:`templatable <config-templatable>`): RF code
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).send_code(0x700, 0x800, 0x1000, 0xABC123);
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.. _rf_bridge-send_raw_action:
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``rf_bridge.send_raw`` Action
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-----------------------------
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Send a raw command to the onboard EFM8BB1 chip.
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You can see a list of available commands and format in the `Portisch Wiki <https://github.com/Portisch/RF-Bridge-EFM8BB1/wiki/Commands>`__
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This can be used to send raw RF codes in automation's, mainly for protocols that are not supported.
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If you have *Portisch* firmware installed, these raw codes can be obtained with the help of :ref:`rf_bridge-start_bucket_sniffing_action`
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.send_raw:
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raw: AAA5070008001000ABC12355
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Configuration options:
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- **raw** (**Required**, string, :ref:`templatable <config-templatable>`): RF raw string
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).send_raw("AAA5070008001000ABC12355");
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.. _rf_bridge-learn_action:
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``rf_bridge.learn`` Action
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--------------------------
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Tell the RF Bridge to learn new protocol timings using this action in automations.
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A new code with timings will be returned to :ref:`rf_bridge-on_code_received`
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.learn
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Configuration options:
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).learn();
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Portisch firmware
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-----------------
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If you have flashed the secondary MCU with the `Portisch firmware <https://github.com/Portisch/RF-Bridge-EFM8BB1>`__,
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ESPHome is able to receive the extra protocols that can be decoded as well as activate the other modes supported.
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.. _rf_bridge-on_advanced_code_received:
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``on_advanced_code_received`` Trigger
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*************************************
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Similar to :ref:`rf_bridge-on_code_received`, this trigger receives the codes after advanced sniffing is started.
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To use the code, use a :ref:`lambda <config-lambda>` template, the code and the corresponding protocol and length
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are available inside that lambda under the variables named ``code``, ``protocol`` and ``length``.
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.. code-block:: yaml
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on_advanced_code_received:
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- homeassistant.event:
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event: esphome.rf_advanced_code_received
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data:
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length: !lambda 'return format_hex(data.length);'
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protocol: !lambda 'return format_hex(data.protocol);'
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code: !lambda 'return data.code;'
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.. _rf_bridge-send_advanced_code_action:
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``rf_bridge.send_advanced_code`` Action
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***************************************
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Send an RF code using this action in automations.
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.send_advanced_code:
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length: 0x04
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protocol: 0x01
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code: "ABC123"
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Configuration options:
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- **length** (**Required**, int, :ref:`templatable <config-templatable>`): Length of code plus protocol
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- **protocol** (**Required**, int, :ref:`templatable <config-templatable>`): RF Protocol
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- **code** (**Required**, string, :ref:`templatable <config-templatable>`): RF code
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).send_advanced_code(0x04, 0x01, "ABC123");
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.. _rf_bridge-start_advanced_sniffing_action:
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``rf_bridge.start_advanced_sniffing`` Action
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********************************************
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Tell the RF Bridge to listen for the advanced/extra protocols defined in the portisch firmware.
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The decoded codes with length and protocol will be returned to :ref:`rf_bridge-on_advanced_code_received`
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.start_advanced_sniffing
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Configuration options:
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).start_advanced_sniffing();
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.. _rf_bridge-stop_advanced_sniffing_action:
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``rf_bridge.stop_advanced_sniffing`` Action
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*******************************************
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Tell the RF Bridge to stop listening for the advanced/extra protocols defined in the portisch firmware.
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.stop_advanced_sniffing
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Configuration options:
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).stop_advanced_sniffing();
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.. _rf_bridge-start_bucket_sniffing_action:
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``rf_bridge.start_bucket_sniffing`` Action
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******************************************
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Tell the RF Bridge to dump raw sniffing data. Useful for getting codes for unsupported protocols.
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The raw data will be available in the log and can later be used with :ref:`rf_bridge-send_raw_action` action.
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.. note::
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A conversion from *B1* (received) raw format to *B0* (send) raw command format should be applied.
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For this, you can use the tool `BitBucket Converter <https://bbconv.hrbl.pl/>`__
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.. note::
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There seems to be an overflow problem in Portisch firmware and after a short while, the bucket sniffing stops.
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You should re-call the action to reset and start sniffing again.
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.start_bucket_sniffing
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Configuration options:
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).start_bucket_sniffing();
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.. _rf_bridge-beep_action:
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``rf_bridge.beep`` Action
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*************************
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Activate the internal buzzer to make a beep.
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.. code-block:: yaml
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on_...:
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then:
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- rf_bridge.beep:
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duration: 100
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Configuration options:
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- **duration** (**Required**, string, :ref:`templatable <config-templatable>`): beep duration in milliseconds.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID of the RF Bridge if you have multiple components.
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.. note::
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This action can also be written in :ref:`lambdas <config-lambda>`:
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.. code-block:: cpp
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id(rf_bridge).beep(100);
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Getting started with Home Assistant
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-----------------------------------
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The following code will get you up and running with a configuration sending codes to
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Home Assistant as events and will also setup a service so you can send codes with your RF Bridge.
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.. code-block:: yaml
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api:
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services:
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- service: send_rf_code
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variables:
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sync: int
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low: int
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high: int
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code: int
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then:
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- rf_bridge.send_code:
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sync: !lambda 'return sync;'
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low: !lambda 'return low;'
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high: !lambda 'return high;'
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code: !lambda 'return code;'
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- service: learn
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then:
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- rf_bridge.learn
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uart:
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tx_pin: 1
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rx_pin: 3
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baud_rate: 19200
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logger:
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baud_rate: 0
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rf_bridge:
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on_code_received:
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then:
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- homeassistant.event:
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event: esphome.rf_code_received
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data:
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sync: !lambda 'return format_hex(data.sync);'
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low: !lambda 'return format_hex(data.low);'
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high: !lambda 'return format_hex(data.high);'
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code: !lambda 'return format_hex(data.code);'
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Now your latest received code will be in an event.
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To trigger the automation from Home Assistant you can invoke the service with this code:
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.. code-block:: yaml
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automation:
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# ...
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action:
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- service: esphome.rf_bridge_send_rf_code
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data:
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sync: 0x700
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low: 0x800
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high: 0x1000
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code: 0xABC123
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See Also
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--------
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- :apiref:`rf_bridge/rf_bridge.h`
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- `RF-Bridge-EFM8BB1 <https://github.com/Portisch/RF-Bridge-EFM8BB1>`__ by `Portisch <https://github.com/Portisch>`__
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- :doc:`/components/uart`
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- :doc:`/components/remote_receiver`
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- :doc:`/components/remote_transmitter`
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- :ghedit:`Edit`
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