Add PCA6416A (#2834)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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PCA6416A I/O Expander
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=====================
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.. seo::
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:description: Instructions for setting up PCA6416A and PCAL6416A, digital port expanders in ESPHome.
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:image: pca6416a.svg
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The PCA6416A component allows you to use **PCA6416A** or **PCAL6416A** I/O expanders in ESPHome.
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It uses :ref:`I²C Bus <i2c>` for communication.
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Once configured, you can use any of the **16** pins for your projects. Within ESPHome they emulate a real internal
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GPIO pin and can therefore be used with many of ESPHome's components such as the GPIO binary sensor or GPIO switch.
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.. note::
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The 7 bit I²C device address ranges are:
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- PCA6416A: ``0x20`` to ``0x21``
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- PCAL6416A: ``0x20`` to ``0x21``
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For the PCA6416A and PCAL6416A, the actual choice of the I²C device address depends on state of the address pin.
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Please refer to the individual datasheets linked at the bottom of the page for further details to set the address.
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Up to two PCA6416A or PCAL6416A devices can reside on the same I²C bus.
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The PCA6416A and PCAL6416A provide 16 bits of GPIO's (pin numbers 0-15).
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Only the PCAL6416A supports pull-up resistors.
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Any option accepting a :ref:`Pin Schema <config-pin_schema>` can theoretically be used, but some more
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complicated components that do communication through this I/O expander will not work.
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.. code-block:: yaml
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# Example configuration entry
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pca6416a:
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- id: 'pca6416a_device'
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address: 0x20
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# Individual outputs
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switch:
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- platform: gpio
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name: "PCA6416A Pin #0"
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pin:
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pca6416a: pca6416a_device
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# Use pin number 0
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number: 0
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# One of INPUT or OUTPUT
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mode:
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output: true
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inverted: false
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.. code-block:: yaml
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# Example configuration entry
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pca6416a:
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- id: 'pcal6416a_device'
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address: 0x20
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# Individual outputs
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switch:
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- platform: gpio
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name: "PCAL6416A Pin #0"
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pin:
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pca6416a: pcal6416a_device
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# Use pin number 0
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number: 0
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# One of INPUT, INPUT_PULLUP or OUTPUT
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mode:
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input: true
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pullup: true
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inverted: false
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Configuration variables:
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************************
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- **id** (**Required**, :ref:`config-id`): The id to use for this ``pca6416a`` component.
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- **address** (*Optional*, int): The I²C address of the driver.
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Defaults to ``0x20``.
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Pin configuration variables:
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****************************
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- **pca6416a** (**Required**, :ref:`config-id`): The id of the ``pca6416a`` component of the pin.
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- **number** (**Required**, int): The pin number.
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- **inverted** (*Optional*, boolean): If all read and written values
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should be treated as inverted. Defaults to ``false``.
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- **mode** (*Optional*, string): A pin mode to set for the pin at. One of ``INPUT`` or ``OUTPUT``.
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See Also
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--------
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- :ref:`i2c`
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- :doc:`switch/gpio`
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- :doc:`binary_sensor/gpio`
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- `PCA6416A datasheet <https://www.nxp.com/docs/en/data-sheet/PCA6416A.pdf>`__
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- `PCAL6416A datasheet <https://www.nxp.com/docs/en/data-sheet/PCAL6416A.pdf>`__
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- :apiref:`pca6416a/pca6416a.h`
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- :ghedit:`Edit`
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<svg width="518.776" height="25mm" viewBox="0 0 137.259 25" xmlns="http://www.w3.org/2000/svg"><path style="fill:#000;fill-opacity:1;stroke-width:.133497;stroke-miterlimit:4;stroke-dasharray:none" d="M5 0h127.26c2.77 0 5 2.23 5 5v15c0 2.77-2.23 5-5 5H5c-2.77 0-5-2.23-5-5V5c0-2.77 2.23-5 5-5Z"/><g aria-label="PCA6416A" style="font-size:10.5833px;line-height:1.25;letter-spacing:1.08479px;fill:#fffffc;stroke-width:.264583"><path d="M13.322 4.861q2.1 0 3.635.7 1.557.7 2.393 1.987.835 1.287.835 3.048 0 1.738-.835 3.048-.836 1.287-2.393 1.987-1.536.677-3.635.677h-3.184v4.358H6.48V4.86Zm-.204 8.467q1.648 0 2.506-.7.858-.722.858-2.032 0-1.332-.858-2.032-.858-.722-2.506-.722h-2.98v5.486zM31.656 20.937q-2.416 0-4.38-1.039-1.942-1.061-3.07-2.912-1.107-1.874-1.107-4.223 0-2.348 1.106-4.199 1.129-1.874 3.07-2.913 1.965-1.06 4.403-1.06 2.055 0 3.703.722 1.67.722 2.8 2.077l-2.348 2.167q-1.603-1.851-3.974-1.851-1.468 0-2.62.655-1.15.632-1.805 1.783-.632 1.152-.632 2.62 0 1.467.632 2.618.654 1.152 1.806 1.807 1.151.632 2.619.632 2.37 0 3.974-1.874l2.348 2.167q-1.13 1.378-2.8 2.1-1.67.723-3.725.723zM57.057 20.666h-3.838l-1.4-3.387H44.48l-1.4 3.387h-3.748L46.378 4.86h3.612zM48.16 8.45l-2.506 6.051h5.012zM66.157 10.754q1.512 0 2.754.61t1.965 1.738q.722 1.106.722 2.574 0 1.58-.79 2.777t-2.168 1.851q-1.354.633-3.025.633-3.319 0-5.193-2.032-1.874-2.032-1.874-5.803 0-2.687 1.016-4.606t2.822-2.912q1.83-.994 4.222-.994 1.265 0 2.416.294 1.174.27 1.987.79l-1.355 2.687q-1.174-.79-2.957-.79-2.01 0-3.184 1.174-1.174 1.174-1.264 3.409 1.4-1.4 3.906-1.4zm-.745 7.45q1.174 0 1.896-.631.745-.633.745-1.716 0-1.084-.745-1.716-.722-.655-1.941-.655-1.197 0-1.965.677-.767.655-.767 1.694 0 1.038.745 1.693t2.032.655zM85.913 14.366h2.574v2.98h-2.574v3.32h-3.567v-3.32h-8.512v-2.46l7.45-10.025h3.84l-6.91 9.505h4.245V11.41h3.454zM89.369 7.796V4.861h6.818v15.805H92.53V7.796ZM107.635 10.754q1.513 0 2.755.61t1.964 1.738q.723 1.106.723 2.574 0 1.58-.79 2.777t-2.168 1.851q-1.355.633-3.026.633-3.318 0-5.192-2.032t-1.874-5.803q0-2.687 1.016-4.606t2.822-2.912q1.829-.994 4.222-.994 1.264 0 2.416.294 1.174.27 1.987.79l-1.355 2.687q-1.174-.79-2.958-.79-2.01 0-3.183 1.174-1.174 1.174-1.265 3.409 1.4-1.4 3.906-1.4zm-.745 7.45q1.174 0 1.897-.631.745-.633.745-1.716 0-1.084-.745-1.716-.723-.655-1.942-.655-1.197 0-1.964.677-.768.655-.768 1.694 0 1.038.745 1.693t2.032.655zM132.224 20.666h-3.839l-1.4-3.387h-7.337l-1.4 3.387H114.5l7.044-15.805h3.613zM123.328 8.45l-2.506 6.051h5.012z" style="font-weight:700;font-size:22.5778px;font-family:Montserrat;-inkscape-font-specification:'Montserrat, Bold'"/></g></svg>
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After Width: | Height: | Size: 2.5 KiB |
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@ -770,6 +770,7 @@ Miscellaneous Components
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Servo, components/servo, servo.svg
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Sprinkler, components/sprinkler, sprinkler-variant.svg
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PCA6416A I/O Expander, components/pca6416a, pca6416a.svg
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PCA9554 I/O Expander, components/pca9554, pca9554a.jpg
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PCF8574 I/O Expander, components/pcf8574, pcf8574.jpg
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MCP230XX I/O Expander - I²C Bus, components/mcp230xx, mcp230xx.svg
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