knx/README.md

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# knx
2019-06-02 00:36:28 +02:00
This projects provides a knx-device stack for arduino (ESP8266, ESP32, SAMD21, RP2040, STM32), CC1310 and linux. (more are quite easy to add)
2018-11-07 21:30:20 +01:00
It implements most of System-B specification and can be configured with ETS.
The necessary knxprod-files can be generated with my [CreateKnxProd](https://github.com/thelsing/CreateKnxProd) tool.
For ESP8266 and ESP32 [WifiManager](https://github.com/tzapu/WiFiManager) is used to configure wifi.
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Don't forget to reset ESP8266 manually (disconnect power) after flashing. The reboot doen't work during configuration with ETS otherwise.
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Generated documentation can be found [here](https://knx.readthedocs.io/en/latest/).
## Stack configuration possibilities
Specify prog button GPIO other then `GPIO0`:
```C++
knx.buttonPin(3); // Use GPIO3 Pin
```
Specify a LED GPIO for programming mode other then the `LED_BUILTIN`:
```C++
knx.ledPin(5);
```
Use a custom function instead of a LED connected to GPIO to indicate the programming mode:
```C++
#include <Arduino.h>
#include <Adafruit_NeoPixel.h>
#include <knx.h>
// create a pixel strand with 1 pixel on PIN_NEOPIXEL
Adafruit_NeoPixel pixels(1, PIN_NEOPIXEL);
void progLedOff()
{
pixels.clear();
pixels.show();
}
void progLedOn()
{
pixels.setPixelColor(0, pixels.Color(20, 0, 0));
pixels.show();
}
void main ()
{
knx.setProgLedOffCallback(progLedOff);
knx.setProgLedOnCallback(progLedOn);
[...]
}
```
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More configuration options can be found in the examples.