WLED/wled00/wled15_hue.ino

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/*
* Sync to Philips hue lights
*/
#ifndef WLED_DISABLE_HUESYNC
void handleHue()
{
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if (hueClient != nullptr && millis() - hueLastRequestSent > huePollIntervalMs && WiFi.status() == WL_CONNECTED)
{
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hueLastRequestSent = millis();
if (huePollingEnabled)
{
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reconnectHue();
} else {
hueClient->close();
if (hueError[0] == 'A') strcpy(hueError,"Inactive");
}
}
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if (hueReceived)
{
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colorUpdated(7); hueReceived = false;
if (hueStoreAllowed && hueNewKey)
{
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saveSettingsToEEPROM(); //save api key
hueStoreAllowed = false;
hueNewKey = false;
}
}
}
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void reconnectHue()
{
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if (WiFi.status() != WL_CONNECTED || !huePollingEnabled) return;
DEBUG_PRINTLN("Hue reconnect");
if (hueClient == nullptr) {
hueClient = new AsyncClient();
hueClient->onConnect(&onHueConnect, hueClient);
hueClient->onData(&onHueData, hueClient);
hueClient->onError(&onHueError, hueClient);
hueAuthRequired = (strlen(hueApiKey)<20);
}
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hueClient->connect(hueIP, 80);
}
void onHueError(void* arg, AsyncClient* client, int8_t error)
{
DEBUG_PRINTLN("Hue err");
strcpy(hueError,"Request timeout");
}
void onHueConnect(void* arg, AsyncClient* client)
{
DEBUG_PRINTLN("Hue connect");
sendHuePoll();
}
void sendHuePoll()
{
if (hueClient == nullptr || !hueClient->connected()) return;
String req = "";
if (hueAuthRequired)
{
req += "POST /api HTTP/1.1\r\nHost: ";
req += hueIP.toString();
req += "\r\nContent-Length: 25\r\n\r\n{\"devicetype\":\"wled#esp\"}";
} else
{
req += "GET /api/";
req += hueApiKey;
req += "/lights/" + String(huePollLightId);
req += " HTTP/1.1\r\nHost: ";
req += hueIP.toString();
req += "\r\n\r\n";
}
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hueClient->add(req.c_str(), req.length());
hueClient->send();
hueLastRequestSent = millis();
}
void onHueData(void* arg, AsyncClient* client, void *data, size_t len)
{
if (!len) return;
char* str = (char*)data;
DEBUG_PRINTLN(hueApiKey);
DEBUG_PRINTLN(str);
//only get response body
str = strstr(str,"\r\n\r\n");
if (str == nullptr) return;
str += 4;
StaticJsonBuffer<512> jb;
if (str[0] == '[') //is JSON array
{
JsonArray& root = jb.parseArray(str);
if (!root.success())
{
strcpy(hueError,"JSON parsing error"); return;
}
int hueErrorCode = root[0]["error"]["type"];
if (hueErrorCode)//hue bridge returned error
{
switch (hueErrorCode)
{
case 1: strcpy(hueError,"Unauthorized"); hueAuthRequired = true; break;
case 3: strcpy(hueError,"Invalid light ID"); huePollingEnabled = false; break;
case 101: strcpy(hueError,"Link button not pressed"); hueAuthRequired = true; break;
default:
char coerr[18];
sprintf(coerr,"Bridge Error %i",hueErrorCode);
strcpy(hueError,coerr);
}
return;
}
if (hueAuthRequired)
{
const char* apikey = root[0]["success"]["username"];
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if (apikey != nullptr && strlen(apikey) < sizeof(hueApiKey))
{
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strcpy(hueApiKey, apikey);
hueAuthRequired = false;
hueNewKey = true;
}
}
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return;
}
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//else, assume it is JSON object, look for state and only parse that
str = strstr(str,"state");
if (str == nullptr) return;
str = strstr(str,"{");
JsonObject& root = jb.parseObject(str);
if (!root.success())
{
strcpy(hueError,"JSON parsing error"); return;
}
float hueX=0, hueY=0;
uint16_t hueHue=0, hueCt=0;
byte hueBri=0, hueSat=0, hueColormode=0;
if (root["on"]) {
if (root.containsKey("bri")) //Dimmable device
{
hueBri = root["bri"];
hueBri++;
const char* cm =root["colormode"];
if (cm != nullptr) //Color device
{
if (strstr(cm,"ct") != nullptr) //ct mode
{
hueCt = root["ct"];
hueColormode = 3;
} else if (strstr(cm,"xy") != nullptr) //xy mode
{
hueX = root["xy"][0]; // 0.5051
hueY = root["xy"][1]; // 0.4151
hueColormode = 1;
} else //hs mode
{
hueHue = root["hue"];
hueSat = root["sat"];
hueColormode = 2;
}
}
} else //On/Off device
{
hueBri = briLast;
}
} else
{
hueBri = 0;
}
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strcpy(hueError,"Active");
//apply vals
if (hueBri != hueBriLast)
{
if (hueApplyOnOff)
{
if (hueBri==0) {bri = 0;}
else if (bri==0 && hueBri>0) bri = briLast;
}
if (hueApplyBri)
{
if (hueBri>0) bri = hueBri;
}
hueBriLast = hueBri;
}
if (hueApplyColor)
{
switch(hueColormode)
{
case 1: if (hueX != hueXLast || hueY != hueYLast) colorXYtoRGB(hueX,hueY,col); hueXLast = hueX; hueYLast = hueY; break;
case 2: if (hueHue != hueHueLast || hueSat != hueSatLast) colorHStoRGB(hueHue,hueSat,col); hueHueLast = hueHue; hueSatLast = hueSat; break;
case 3: if (hueCt != hueCtLast) colorCTtoRGB(hueCt,col); hueCtLast = hueCt; break;
}
}
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hueReceived = true;
}
#else
void handleHue(){}
void reconnectHue(){}
#endif