WLED/wled00/wled12_alexa.ino

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/*
* Alexa Voice On/Off/Brightness Control. Emulates a Philips Hue bridge to Alexa.
*
* This was put together from these two excellent projects:
* https://github.com/kakopappa/arduino-esp8266-alexa-wemo-switch
* https://github.com/probonopd/ESP8266HueEmulator
*/
void prepareIds() {
escapedMac = WiFi.macAddress();
escapedMac.replace(":", "");
escapedMac.toLowerCase();
}
#ifndef WLED_DISABLE_ALEXA
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void onAlexaChange(byte b, uint32_t color);
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void alexaInit()
{
if (alexaEnabled && WiFi.status() == WL_CONNECTED)
{
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if (espalexaDevice == nullptr) //only init once
{
espalexaDevice = new EspalexaDevice(alexaInvocationName, onAlexaChange);
espalexa.addDevice(espalexaDevice);
espalexa.begin(&server);
} else {
espalexaDevice->setName(alexaInvocationName);
}
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}
}
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void handleAlexa()
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{
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if (!alexaEnabled || WiFi.status() != WL_CONNECTED) return;
espalexa.loop();
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}
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void onAlexaChange(byte b, uint32_t color)
{
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byte m = espalexaDevice->getLastChangedProperty();
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if (m == 1){ //ON
if (!macroAlexaOn)
{
if (bri == 0)
{
bri = briLast;
colorUpdated(10);
}
} else applyMacro(macroAlexaOn);
} else if (m == 2) //OFF
{
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if (!macroAlexaOff)
{
if (bri > 0)
{
briLast = bri;
bri = 0;
colorUpdated(10);
}
} else applyMacro(macroAlexaOff);
} else if (m == 3) //brightness
{
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bri = b;
colorUpdated(10);
} else //color
{
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col[0] = ((color >> 16) & 0xFF);
col[1] = ((color >> 8) & 0xFF);
col[2] = (color & 0xFF);
if (useRGBW) colorRGBtoRGBW(col);
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colorUpdated(10);
}
}
#else
void alexaInit(){}
void handleAlexa(){}
#endif