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Add OpenHacks info and PHY connection info (#671)

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* Add OpenHacks info and PHY connection info

* Update components/ethernet.rst
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Guillermo Ruffino 2020-07-07 11:23:09 -03:00 committed by GitHub
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components/ethernet.rst
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@ -59,6 +59,14 @@ Configuration variables:
Defaults to ``.local``.
- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
.. note::
If your ethernet board is not designed with an ESP32 built in, chances are that you are going
to use flying leads, dupont wires, etc. to connect the ethernet to the ESP32. This is
probably to fail as the ethernet interface uses a high frequency clock signal. For more
information and wiring details refer to the the link in the *See also* section.
Configuration for wESP32 board
------------------------------
@ -94,10 +102,14 @@ Configuration for OpenHacks LAN8720
mdc_pin: GPIO23
mdio_pin: GPIO18
phy_addr: 1
Note: This board has an issue that might cause the ESP32 to boot in program mode. When testing, make sure you are monitoring the
serial output and reboot the device several times to see if it boots into the program properly.
See Also
--------
- :apiref:`ethernet/ethernet_component.h`
- `ESP32 Ethernet PHY connection info <https://pcbartists.com/design/embedded/esp32-ethernet-phy-schematic-design/>`__
- :ghedit:`Edit`