mirror of
https://github.com/esphome/esphome-docs.git
synced 2024-12-25 17:17:54 +01:00
52 lines
1.5 KiB
ReStructuredText
52 lines
1.5 KiB
ReStructuredText
Custom SPI Device
|
|
=================
|
|
|
|
.. seo::
|
|
:description: Instructions for setting up Custom C++ SPI devices with ESPHome.
|
|
:image: language-cpp.svg
|
|
:keywords: C++, Custom
|
|
|
|
.. warning::
|
|
|
|
Custom components are deprecated, not recommended for new configurations and will be removed from ESPHome in a
|
|
future release. Please look at creating a real ESPHome component and "importing" it into your configuration with
|
|
:doc:`/components/external_components`.
|
|
|
|
You can find some basic documentation on creating your own components at :ref:`contributing_to_esphome`.
|
|
|
|
.. warning::
|
|
|
|
While we try to keep the ESPHome YAML configuration options as stable as possible, the ESPHome API is less
|
|
stable. If something in the APIs needs to be changed in order for something else to work, we will do so.
|
|
|
|
Lots of devices communicate using the SPI protocol. If you want to integrate
|
|
a device into ESPHome that uses this protocol you can pretty much use almost
|
|
all Arduino-based code because the ``SPI`` library is also available in ESPHome.
|
|
|
|
See the other custom component guides for how to register components and make
|
|
them publish values.
|
|
|
|
Please refer to the SPI library docs for more information.
|
|
|
|
.. code-block:: cpp
|
|
|
|
#include "esphome.h"
|
|
|
|
class MyCustomComponent : public Component {
|
|
public:
|
|
void setup() override {
|
|
SPI.pins(SCK_PIN, MISO_PIN, MOSI_PIN, CS_PIN);
|
|
SPI.begin();
|
|
}
|
|
void loop() override {
|
|
SPI.beginTransaction(...)
|
|
|
|
SPI.write(0x42);
|
|
}
|
|
};
|
|
|
|
See Also
|
|
--------
|
|
|
|
- :ghedit:`Edit`
|