109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
#include "wled.h"
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/*
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* Alexa Voice On/Off/Brightness/Color Control. Emulates a Philips Hue bridge to Alexa.
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*
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* This was put together from these two excellent projects:
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* https://github.com/kakopappa/arduino-esp8266-alexa-wemo-switch
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* https://github.com/probonopd/ESP8266HueEmulator
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*/
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#include "src/dependencies/espalexa/EspalexaDevice.h"
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#ifndef WLED_DISABLE_ALEXA
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void onAlexaChange(EspalexaDevice* dev);
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void alexaInit()
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{
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if (alexaEnabled && WLED_CONNECTED)
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{
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if (espalexaDevice == nullptr) //only init once
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{
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espalexaDevice = new EspalexaDevice(alexaInvocationName, onAlexaChange, EspalexaDeviceType::extendedcolor);
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espalexa.addDevice(espalexaDevice);
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espalexa.begin(&server);
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} else {
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espalexaDevice->setName(alexaInvocationName);
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}
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}
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}
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void handleAlexa()
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{
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if (!alexaEnabled || !WLED_CONNECTED) return;
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espalexa.loop();
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}
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void onAlexaChange(EspalexaDevice* dev)
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{
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EspalexaDeviceProperty m = espalexaDevice->getLastChangedProperty();
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if (m == EspalexaDeviceProperty::on)
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{
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if (!macroAlexaOn)
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{
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if (bri == 0)
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{
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bri = briLast;
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stateUpdated(CALL_MODE_ALEXA);
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}
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} else {
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applyPreset(macroAlexaOn, CALL_MODE_ALEXA);
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if (bri == 0) espalexaDevice->setValue(briLast); //stop Alexa from complaining if macroAlexaOn does not actually turn on
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}
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} else if (m == EspalexaDeviceProperty::off)
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{
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if (!macroAlexaOff)
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{
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if (bri > 0)
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{
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briLast = bri;
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bri = 0;
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stateUpdated(CALL_MODE_ALEXA);
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}
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} else {
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applyPreset(macroAlexaOff, CALL_MODE_ALEXA);
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if (bri != 0) espalexaDevice->setValue(0); //stop Alexa from complaining if macroAlexaOff does not actually turn off
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}
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} else if (m == EspalexaDeviceProperty::bri)
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{
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bri = espalexaDevice->getValue();
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stateUpdated(CALL_MODE_ALEXA);
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} else //color
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{
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if (espalexaDevice->getColorMode() == EspalexaColorMode::ct) //shade of white
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{
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byte rgbw[4];
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uint16_t ct = espalexaDevice->getCt();
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if (!ct) return;
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uint16_t k = 1000000 / ct; //mireds to kelvin
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if (strip.hasCCTBus()) {
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strip.setCCT(k);
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rgbw[0]= 0; rgbw[1]= 0; rgbw[2]= 0; rgbw[3]= 255;
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} else if (strip.hasWhiteChannel()) {
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switch (ct) { //these values empirically look good on RGBW
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case 199: rgbw[0]=255; rgbw[1]=255; rgbw[2]=255; rgbw[3]=255; break;
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case 234: rgbw[0]=127; rgbw[1]=127; rgbw[2]=127; rgbw[3]=255; break;
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case 284: rgbw[0]= 0; rgbw[1]= 0; rgbw[2]= 0; rgbw[3]=255; break;
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case 350: rgbw[0]=130; rgbw[1]= 90; rgbw[2]= 0; rgbw[3]=255; break;
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case 383: rgbw[0]=255; rgbw[1]=153; rgbw[2]= 0; rgbw[3]=255; break;
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default : colorKtoRGB(k, rgbw);
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}
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} else {
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colorKtoRGB(k, rgbw);
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}
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strip.setColor(0, rgbw[0], rgbw[1], rgbw[2], rgbw[3]);
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} else {
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uint32_t color = espalexaDevice->getRGB();
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strip.setColor(0, color);
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}
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stateUpdated(CALL_MODE_ALEXA);
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}
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}
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#else
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void alexaInit(){}
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void handleAlexa(){}
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#endif
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