Tasmota/tasmota/xdrv_20_hue.ino

872 lines
29 KiB
C++

/*
xdrv_20_hue.ino - Philips Hue support for Tasmota
Copyright (C) 2020 Heiko Krupp and Theo Arends
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(USE_WEBSERVER) && defined(USE_EMULATION) && defined(USE_EMULATION_HUE) && defined(USE_LIGHT)
/*********************************************************************************************\
* Philips Hue bridge emulation
*
* Hue Bridge UPNP support routines
* Need to send 3 response packets with varying ST and USN
*
* Using Espressif Inc Mac Address of 5C:CF:7F:00:00:00
* Philips Lighting is 00:17:88:00:00:00
\*********************************************************************************************/
#define XDRV_20 20
const char HUE_RESPONSE[] PROGMEM =
"HTTP/1.1 200 OK\r\n"
"HOST: 239.255.255.250:1900\r\n"
"CACHE-CONTROL: max-age=100\r\n"
"EXT:\r\n"
"LOCATION: http://%s:80/description.xml\r\n"
"SERVER: Linux/3.14.0 UPnP/1.0 IpBridge/1.24.0\r\n" // was 1.17
"hue-bridgeid: %s\r\n";
const char HUE_ST1[] PROGMEM =
"ST: upnp:rootdevice\r\n"
"USN: uuid:%s::upnp:rootdevice\r\n"
"\r\n";
const char HUE_ST2[] PROGMEM =
"ST: uuid:%s\r\n"
"USN: uuid:%s\r\n"
"\r\n";
const char HUE_ST3[] PROGMEM =
"ST: urn:schemas-upnp-org:device:basic:1\r\n"
"USN: uuid:%s\r\n"
"\r\n";
String HueBridgeId(void)
{
String temp = WiFi.macAddress();
temp.replace(":", "");
String bridgeid = temp.substring(0, 6);
bridgeid += "FFFE";
bridgeid += temp.substring(6);
return bridgeid; // 5CCF7FFFFE139F3D
}
String HueSerialnumber(void)
{
String serial = WiFi.macAddress();
serial.replace(":", "");
serial.toLowerCase();
return serial; // 5ccf7f139f3d
}
String HueUuid(void)
{
String uuid = F("f6543a06-da50-11ba-8d8f-");
uuid += HueSerialnumber();
return uuid; // f6543a06-da50-11ba-8d8f-5ccf7f139f3d
}
void HueRespondToMSearch(void)
{
char message[TOPSZ];
TickerMSearch.detach();
if (PortUdp.beginPacket(udp_remote_ip, udp_remote_port)) {
char response[320];
snprintf_P(response, sizeof(response), HUE_RESPONSE, WiFi.localIP().toString().c_str(), HueBridgeId().c_str());
int len = strlen(response);
String uuid = HueUuid();
snprintf_P(response + len, sizeof(response) - len, HUE_ST1, uuid.c_str());
PortUdp.write(response);
PortUdp.endPacket();
snprintf_P(response + len, sizeof(response) - len, HUE_ST2, uuid.c_str(), uuid.c_str());
PortUdp.write(response);
PortUdp.endPacket();
snprintf_P(response + len, sizeof(response) - len, HUE_ST3, uuid.c_str());
PortUdp.write(response);
PortUdp.endPacket();
snprintf_P(message, sizeof(message), PSTR(D_3_RESPONSE_PACKETS_SENT));
} else {
snprintf_P(message, sizeof(message), PSTR(D_FAILED_TO_SEND_RESPONSE));
}
// Do not use AddLog_P2 here (interrupt routine) if syslog or mqttlog is enabled. UDP/TCP will force exception 9
PrepLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_UPNP D_HUE " %s " D_TO " %s:%d"),
message, udp_remote_ip.toString().c_str(), udp_remote_port);
udp_response_mutex = false;
}
/*********************************************************************************************\
* Hue web server additions
\*********************************************************************************************/
const char HUE_DESCRIPTION_XML[] PROGMEM =
"<?xml version=\"1.0\"?>"
"<root xmlns=\"urn:schemas-upnp-org:device-1-0\">"
"<specVersion>"
"<major>1</major>"
"<minor>0</minor>"
"</specVersion>"
// "<URLBase>http://{x1/</URLBase>"
"<URLBase>http://{x1:80/</URLBase>"
"<device>"
"<deviceType>urn:schemas-upnp-org:device:Basic:1</deviceType>"
"<friendlyName>Amazon-Echo-HA-Bridge ({x1)</friendlyName>"
// "<friendlyName>Philips hue ({x1)</friendlyName>"
"<manufacturer>Royal Philips Electronics</manufacturer>"
"<manufacturerURL>http://www.philips.com</manufacturerURL>"
"<modelDescription>Philips hue Personal Wireless Lighting</modelDescription>"
"<modelName>Philips hue bridge 2012</modelName>"
"<modelNumber>929000226503</modelNumber>"
"<serialNumber>{x3</serialNumber>"
"<UDN>uuid:{x2</UDN>"
"</device>"
"</root>\r\n"
"\r\n";
const char HUE_LIGHTS_STATUS_JSON1_SUFFIX[] PROGMEM =
"%s\"alert\":\"none\","
"\"effect\":\"none\","
"\"reachable\":true}";
const char HUE_LIGHTS_STATUS_JSON2[] PROGMEM =
",\"type\":\"Extended color light\","
"\"name\":\"%s\","
"\"modelid\":\"LCT007\","
"\"uniqueid\":\"%s\","
"\"swversion\":\"5.50.1.19085\"}";
const char HUE_GROUP0_STATUS_JSON[] PROGMEM =
"{\"name\":\"Group 0\","
"\"lights\":[{l1],"
"\"type\":\"LightGroup\","
"\"action\":";
// "\"scene\":\"none\",";
const char HueConfigResponse_JSON[] PROGMEM =
"{\"name\":\"Philips hue\","
"\"mac\":\"{ma\","
"\"dhcp\":true,"
"\"ipaddress\":\"{ip\","
"\"netmask\":\"{ms\","
"\"gateway\":\"{gw\","
"\"proxyaddress\":\"none\","
"\"proxyport\":0,"
"\"bridgeid\":\"{br\","
"\"UTC\":\"{dt\","
"\"whitelist\":{\"{id\":{"
"\"last use date\":\"{dt\","
"\"create date\":\"{dt\","
"\"name\":\"Remote\"}},"
"\"swversion\":\"01041302\","
"\"apiversion\":\"1.17.0\","
"\"swupdate\":{\"updatestate\":0,\"url\":\"\",\"text\":\"\",\"notify\": false},"
"\"linkbutton\":false,"
"\"portalservices\":false"
"}";
const char HUE_ERROR_JSON[] PROGMEM =
"[{\"error\":{\"type\":901,\"address\":\"/\",\"description\":\"Internal Error\"}}]";
/********************************************************************************************/
String GetHueDeviceId(uint16_t id)
{
String deviceid = WiFi.macAddress();
deviceid += F(":00:11-");
deviceid += String(id);
deviceid.toLowerCase();
return deviceid; // 5c:cf:7f:13:9f:3d:00:11-1
}
String GetHueUserId(void)
{
char userid[7];
snprintf_P(userid, sizeof(userid), PSTR("%03x"), ESP.getChipId());
return String(userid);
}
void HandleUpnpSetupHue(void)
{
AddLog_P(LOG_LEVEL_DEBUG, S_LOG_HTTP, PSTR(D_HUE_BRIDGE_SETUP));
String description_xml = FPSTR(HUE_DESCRIPTION_XML);
description_xml.replace("{x1", WiFi.localIP().toString());
description_xml.replace("{x2", HueUuid());
description_xml.replace("{x3", HueSerialnumber());
WSSend(200, CT_XML, description_xml);
}
void HueNotImplemented(String *path)
{
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE_API_NOT_IMPLEMENTED " (%s)"), path->c_str());
WSSend(200, CT_JSON, "{}");
}
void HueConfigResponse(String *response)
{
*response += FPSTR(HueConfigResponse_JSON);
response->replace("{ma", WiFi.macAddress());
response->replace("{ip", WiFi.localIP().toString());
response->replace("{ms", WiFi.subnetMask().toString());
response->replace("{gw", WiFi.gatewayIP().toString());
response->replace("{br", HueBridgeId());
response->replace("{dt", GetDateAndTime(DT_UTC));
response->replace("{id", GetHueUserId());
}
void HueConfig(String *path)
{
String response = "";
HueConfigResponse(&response);
WSSend(200, CT_JSON, response);
}
// device is forced to CT mode instead of HSB
// only makes sense for LST_COLDWARM, LST_RGBW and LST_RGBCW
bool g_gotct = false;
// store previously set values from the Alexa app
// it allows to correct slight deviations from value set by the app
// The Alexa app is very sensitive to exact values
uint16_t prev_hue = 0;
uint8_t prev_sat = 0;
uint8_t prev_bri = 254;
uint16_t prev_ct = 254;
char prev_x_str[24] = "\0"; // store previously set xy by Alexa app
char prev_y_str[24] = "\0";
uint8_t getLocalLightSubtype(uint8_t device) {
if (light_type) {
if (device >= Light.device) {
if (Settings.flag3.pwm_multi_channels) { // SetOption68 - Enable multi-channels PWM instead of Color PWM
return LST_SINGLE; // If SetOption68, each channel acts like a dimmer
} else {
return Light.subtype; // the actual light
}
} else {
return LST_NONE; // relays
}
} else {
return LST_NONE;
}
}
void HueLightStatus1(uint8_t device, String *response)
{
uint16_t ct = 0;
uint8_t color_mode;
String light_status = "";
uint16_t hue = 0;
uint8_t sat = 0;
uint8_t bri = 254;
uint32_t echo_gen = findEchoGeneration(); // 1 for 1st gen =+ Echo Dot 2nd gen, 2 for 2nd gen and above
// local_light_subtype simulates the Light.subtype for 'device'
// For relays LST_NONE, for dimmers LST_SINGLE
uint8_t local_light_subtype = getLocalLightSubtype(device);
bri = LightGetBri(device); // get Dimmer corrected with SetOption68
if (bri > 254) bri = 254; // Philips Hue bri is between 1 and 254
if (bri < 1) bri = 1;
#ifdef USE_SHUTTER
if (ShutterState(device)) {
bri = (float)((Settings.shutter_options[device-1] & 1) ? 100 - Settings.shutter_position[device-1] : Settings.shutter_position[device-1]) / 100;
}
#endif
if (light_type) {
light_state.getHSB(&hue, &sat, nullptr);
if ((bri > prev_bri ? bri - prev_bri : prev_bri - bri) < 1)
bri = prev_bri;
if (sat > 254) sat = 254; // Philips Hue only accepts 254 as max hue
if ((sat > prev_sat ? sat - prev_sat : prev_sat - sat) < 1) {
sat = prev_sat;
} else { // if sat was changed outside of Alexa, reset xy
prev_x_str[0] = prev_y_str[0] = 0;
}
hue = changeUIntScale(hue, 0, 360, 0, 65535);
if ((hue > prev_hue ? hue - prev_hue : prev_hue - hue) < 400) {
hue = prev_hue;
} else { // if hue was changed outside of Alexa, reset xy
prev_x_str[0] = prev_y_str[0] = 0;
}
color_mode = light_state.getColorMode();
ct = light_state.getCT();
if (LCM_RGB == color_mode) { g_gotct = false; }
if (LCM_CT == color_mode) { g_gotct = true; }
// If LCM_BOTH == color_mode, leave g_gotct unchanged
// re-adjust ct if close to command value
if ((ct > prev_ct ? ct - prev_ct : prev_ct - ct) < 1)
ct = prev_ct;
//AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("HueLightStatus1 HSB (%d, %d, %d) Prev_HSB (%d, %d, %d)"),
// hue, sat, bri, prev_hue, prev_sat, prev_bri);
}
const size_t buf_size = 256;
char * buf = (char*) malloc(buf_size); // temp buffer for strings, avoid stack
snprintf_P(buf, buf_size, PSTR("{\"on\":%s,"), (power & (1 << (device-1))) ? "true" : "false");
// Brightness for all devices with PWM
if ((1 == echo_gen) || (LST_SINGLE <= local_light_subtype)) { // force dimmer for 1st gen Echo
snprintf_P(buf, buf_size, PSTR("%s\"bri\":%d,"), buf, bri);
}
if (LST_COLDWARM <= local_light_subtype) {
snprintf_P(buf, buf_size, PSTR("%s\"colormode\":\"%s\","), buf, g_gotct ? "ct" : "hs");
}
if (LST_RGB <= local_light_subtype) { // colors
if (prev_x_str[0] && prev_y_str[0]) {
snprintf_P(buf, buf_size, PSTR("%s\"xy\":[%s,%s],"), buf, prev_x_str, prev_y_str);
} else {
float x, y;
light_state.getXY(&x, &y);
snprintf_P(buf, buf_size, PSTR("%s\"xy\":[%s,%s],"), buf, String(x, 5).c_str(), String(y, 5).c_str());
}
snprintf_P(buf, buf_size, PSTR("%s\"hue\":%d,\"sat\":%d,"), buf, hue, sat);
}
if (LST_COLDWARM == local_light_subtype || LST_RGBW <= local_light_subtype) { // white temp
snprintf_P(buf, buf_size, PSTR("%s\"ct\":%d,"), buf, ct > 0 ? ct : 284);
}
snprintf_P(buf, buf_size, HUE_LIGHTS_STATUS_JSON1_SUFFIX, buf);
*response += buf;
free(buf);
}
// Check whether this device should be reported to Alexa or considered hidden.
// Any device whose friendly name start with "$" is considered hidden
bool HueActive(uint8_t device) {
if (device > MAX_FRIENDLYNAMES) { device = MAX_FRIENDLYNAMES; }
return '$' != *SettingsText(SET_FRIENDLYNAME1 +device -1);
}
void HueLightStatus2(uint8_t device, String *response)
{
const size_t buf_size = 192;
char * buf = (char*) malloc(buf_size);
const size_t max_name_len = 32;
char fname[max_name_len + 1];
strlcpy(fname, SettingsText(device <= MAX_FRIENDLYNAMES ? SET_FRIENDLYNAME1 + device -1 : SET_FRIENDLYNAME1 + MAX_FRIENDLYNAMES -1), max_name_len + 1);
if (device > MAX_FRIENDLYNAMES) {
uint32_t fname_len = strlen(fname);
if (fname_len > max_name_len - 2) { fname_len = max_name_len - 2; }
fname[fname_len++] = '-';
if (device - MAX_FRIENDLYNAMES < 10) {
fname[fname_len++] = '0' + device - MAX_FRIENDLYNAMES;
} else {
fname[fname_len++] = 'A' + device - MAX_FRIENDLYNAMES - 10;
}
fname[fname_len] = 0x00;
}
snprintf_P(buf, buf_size, HUE_LIGHTS_STATUS_JSON2, fname, GetHueDeviceId(device).c_str());
*response += buf;
free(buf);
}
// generate a unique lightId mixing local IP address and device number
// it is limited to 32 devices.
// last 24 bits of Mac address + 4 bits of local light + high bit for relays 16-31, relay 32 is mapped to 0
// Zigbee extension: bit 29 = 1, and last 16 bits = short address of Zigbee device
#ifndef USE_ZIGBEE
uint32_t EncodeLightId(uint8_t relay_id)
#else
uint32_t EncodeLightId(uint8_t relay_id, uint16_t z_shortaddr = 0)
#endif
{
uint8_t mac[6];
WiFi.macAddress(mac);
uint32_t id = (mac[3] << 20) | (mac[4] << 12) | (mac[5] << 4);
if (relay_id >= 32) { // for Relay #32, we encode as 0
relay_id = 0;
}
if (relay_id > 15) {
id |= (1 << 28);
}
id |= (relay_id & 0xF);
#ifdef USE_ZIGBEE
if ((z_shortaddr) && (!relay_id)) {
// fror Zigbee devices, we have relay_id == 0 and shortaddr != 0
id = (1 << 29) | z_shortaddr;
}
#endif
return id;
}
// get hue_id and decode the relay_id
// 4 LSB decode to 1-15, if bit 28 is set, it encodes 16-31, if 0 then 32
// Zigbee:
// If the Id encodes a Zigbee device (meaning bit 29 is set)
// it returns 0 and sets the 'shortaddr' to the device short address
#ifndef USE_ZIGBEE
uint32_t DecodeLightId(uint32_t hue_id)
#else
uint32_t DecodeLightId(uint32_t hue_id, uint16_t * shortaddr = nullptr)
#endif
{
uint8_t relay_id = hue_id & 0xF;
if (hue_id & (1 << 28)) { // check if bit 25 is set, if so we have
relay_id += 16;
}
if (0 == relay_id) { // special value 0 is actually relay #32
relay_id = 32;
}
#ifdef USE_ZIGBEE
if (hue_id & (1 << 29)) {
// this is actually a Zigbee ID
if (shortaddr) { *shortaddr = hue_id & 0xFFFF; }
relay_id = 0;
}
#endif // USE_ZIGBEE
return relay_id;
}
static const char * FIRST_GEN_UA[] = { // list of User-Agents signature
"AEOBC", // Echo Dot 2ng Generation
};
// Check if the Echo device is of 1st generation, which triggers different results
uint32_t findEchoGeneration(void) {
// result is 1 for 1st gen, 2 for 2nd gen and further
String user_agent = WebServer->header("User-Agent");
uint32_t gen = 2;
for (uint32_t i = 0; i < sizeof(FIRST_GEN_UA)/sizeof(char*); i++) {
if (user_agent.indexOf(FIRST_GEN_UA[i]) >= 0) { // found
gen = 1;
break;
}
}
if (0 == user_agent.length()) {
gen = 1; // if no user-agent, also revert to gen v1
}
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE " User-Agent: %s, gen=%d"), user_agent.c_str(), gen); // Header collection is set in xdrv_01_webserver.ino, in StartWebserver()
return gen;
}
void HueGlobalConfig(String *path) {
String response;
path->remove(0,1); // cut leading / to get <id>
response = F("{\"lights\":{");
bool appending = false; // do we need to add a comma to append
CheckHue(&response, appending);
#ifdef USE_ZIGBEE
ZigbeeCheckHue(&response, appending);
#endif // USE_ZIGBEE
response += F("},\"groups\":{},\"schedules\":{},\"config\":");
HueConfigResponse(&response);
response += "}";
WSSend(200, CT_JSON, response);
}
void HueAuthentication(String *path)
{
char response[38];
snprintf_P(response, sizeof(response), PSTR("[{\"success\":{\"username\":\"%s\"}}]"), GetHueUserId().c_str());
WSSend(200, CT_JSON, response);
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE " Authentication Result (%s)"), response);
}
// refactored to remove code duplicates
void CheckHue(String * response, bool &appending) {
uint8_t maxhue = (devices_present > MAX_HUE_DEVICES) ? MAX_HUE_DEVICES : devices_present;
for (uint32_t i = 1; i <= maxhue; i++) {
if (HueActive(i)) {
if (appending) { *response += ","; }
*response += "\"";
*response += EncodeLightId(i);
*response += F("\":{\"state\":");
HueLightStatus1(i, response);
HueLightStatus2(i, response);
appending = true;
}
}
}
void HueLightsCommand(uint8_t device, uint32_t device_id, String &response) {
uint16_t tmp = 0;
uint16_t hue = 0;
uint8_t sat = 0;
uint8_t bri = 254;
uint16_t ct = 0;
bool on = false;
bool resp = false; // is the response non null (add comma between parameters)
bool change = false; // need to change a parameter to the light
uint8_t local_light_subtype = getLocalLightSubtype(device); // get the subtype for this device
const size_t buf_size = 100;
char * buf = (char*) malloc(buf_size);
if (WebServer->args()) {
response = "[";
StaticJsonBuffer<300> jsonBuffer;
JsonObject &hue_json = jsonBuffer.parseObject(WebServer->arg((WebServer->args())-1));
if (hue_json.containsKey("on")) {
on = hue_json["on"];
snprintf_P(buf, buf_size,
PSTR("{\"success\":{\"/lights/%d/state/on\":%s}}"),
device_id, on ? "true" : "false");
#ifdef USE_SHUTTER
if (ShutterState(device)) {
if (!change) {
bri = on ? 1.0f : 0.0f; // when bri is not part of this request then calculate it
change = true;
resp = true;
response += buf; // actually publish the state
}
} else {
#endif
switch(on)
{
case false : ExecuteCommandPower(device, POWER_OFF, SRC_HUE);
break;
case true : ExecuteCommandPower(device, POWER_ON, SRC_HUE);
break;
}
response += buf;
resp = true;
#ifdef USE_SHUTTER
}
#endif // USE_SHUTTER
}
if (light_type && (local_light_subtype >= LST_SINGLE)) {
if (!Settings.flag3.pwm_multi_channels) { // SetOption68 - Enable multi-channels PWM instead of Color PWM
light_state.getHSB(&hue, &sat, nullptr);
bri = light_state.getBri(); // get the combined bri for CT and RGB, not only the RGB one
ct = light_state.getCT();
uint8_t color_mode = light_state.getColorMode();
if (LCM_RGB == color_mode) { g_gotct = false; }
if (LCM_CT == color_mode) { g_gotct = true; }
// If LCM_BOTH == color_mode, leave g_gotct unchanged
} else { // treat each channel as simple dimmer
bri = LightGetBri(device);
}
}
prev_x_str[0] = prev_y_str[0] = 0; // reset xy string
if (hue_json.containsKey("bri")) { // Brightness is a scale from 1 (the minimum the light is capable of) to 254 (the maximum). Note: a brightness of 1 is not off.
bri = hue_json["bri"];
prev_bri = bri; // store command value
if (resp) { response += ","; }
snprintf_P(buf, buf_size,
PSTR("{\"success\":{\"/lights/%d/state/%s\":%d}}"),
device_id, "bri", bri);
response += buf;
if (LST_SINGLE <= Light.subtype) {
// extend bri value if set to max
if (254 <= bri) { bri = 255; }
change = true;
}
resp = true;
}
// handle xy before Hue/Sat
// If the request contains both XY and HS, we wan't to give priority to HS
if (hue_json.containsKey("xy")) {
float x = hue_json["xy"][0];
float y = hue_json["xy"][1];
const String &x_str = hue_json["xy"][0];
const String &y_str = hue_json["xy"][1];
x_str.toCharArray(prev_x_str, sizeof(prev_x_str));
y_str.toCharArray(prev_y_str, sizeof(prev_y_str));
uint8_t rr,gg,bb;
LightStateClass::XyToRgb(x, y, &rr, &gg, &bb);
LightStateClass::RgbToHsb(rr, gg, bb, &hue, &sat, nullptr);
prev_hue = changeUIntScale(hue, 0, 360, 0, 65535); // calculate back prev_hue
prev_sat = (sat > 254 ? 254 : sat);
//AddLog_P2(LOG_LEVEL_DEBUG_MORE, "XY RGB (%d %d %d) HS (%d %d)", rr,gg,bb,hue,sat);
if (resp) { response += ","; }
snprintf_P(buf, buf_size,
PSTR("{\"success\":{\"/lights/%d/state/xy\":[%s,%s]}}"),
device_id, prev_x_str, prev_y_str);
response += buf;
g_gotct = false;
resp = true;
change = true;
}
if (hue_json.containsKey("hue")) { // The hue value is a wrapping value between 0 and 65535. Both 0 and 65535 are red, 25500 is green and 46920 is blue.
hue = hue_json["hue"];
prev_hue = hue;
if (resp) { response += ","; }
snprintf_P(buf, buf_size,
PSTR("{\"success\":{\"/lights/%d/state/%s\":%d}}"),
device_id, "hue", hue);
response += buf;
if (LST_RGB <= Light.subtype) {
// change range from 0..65535 to 0..360
hue = changeUIntScale(hue, 0, 65535, 0, 360);
g_gotct = false;
change = true;
}
resp = true;
}
if (hue_json.containsKey("sat")) { // Saturation of the light. 254 is the most saturated (colored) and 0 is the least saturated (white).
sat = hue_json["sat"];
prev_sat = sat; // store command value
if (resp) { response += ","; }
snprintf_P(buf, buf_size,
PSTR("{\"success\":{\"/lights/%d/state/%s\":%d}}"),
device_id, "sat", sat);
response += buf;
if (LST_RGB <= Light.subtype) {
// extend sat value if set to max
if (254 <= sat) { sat = 255; }
g_gotct = false;
change = true;
}
resp = true;
}
if (hue_json.containsKey("ct")) { // Color temperature 153 (Cold) to 500 (Warm)
ct = hue_json["ct"];
prev_ct = ct; // store commande value
if (resp) { response += ","; }
snprintf_P(buf, buf_size,
PSTR("{\"success\":{\"/lights/%d/state/%s\":%d}}"),
device_id, "ct", ct);
response += buf;
if ((LST_COLDWARM == Light.subtype) || (LST_RGBW <= Light.subtype)) {
g_gotct = true;
change = true;
}
resp = true;
}
if (change) {
#ifdef USE_SHUTTER
if (ShutterState(device)) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("Settings.shutter_invert: %d"), Settings.shutter_options[device-1] & 1);
ShutterSetPosition(device, bri * 100.0f );
} else
#endif
if (light_type && (local_light_subtype > LST_NONE)) { // not relay
if (!Settings.flag3.pwm_multi_channels) { // SetOption68 - Enable multi-channels PWM instead of Color PWM
if (g_gotct) {
light_controller.changeCTB(ct, bri);
} else {
light_controller.changeHSB(hue, sat, bri);
}
LightPreparePower();
} else { // SetOption68 On, each channel is a dimmer
LightSetBri(device, bri);
}
if (LST_COLDWARM <= local_light_subtype) {
MqttPublishPrefixTopic_P(RESULT_OR_STAT, PSTR(D_CMND_COLOR));
} else {
MqttPublishPrefixTopic_P(RESULT_OR_STAT, PSTR(D_CMND_DIMMER));
}
XdrvRulesProcess();
}
change = false;
}
response += "]";
if (2 == response.length()) {
response = FPSTR(HUE_ERROR_JSON);
}
}
else {
response = FPSTR(HUE_ERROR_JSON);
}
free(buf);
}
void HueLights(String *path)
{
/*
* http://tasmota/api/username/lights/1/state?1={"on":true,"hue":56100,"sat":254,"bri":254,"alert":"none","transitiontime":40}
*/
String response;
int code = 200;
uint8_t device = 1;
uint32_t device_id; // the raw device_id used by Hue emulation
uint8_t maxhue = (devices_present > MAX_HUE_DEVICES) ? MAX_HUE_DEVICES : devices_present;
path->remove(0,path->indexOf(F("/lights"))); // Remove until /lights
if (path->endsWith(F("/lights"))) { // Got /lights
response = "{";
bool appending = false;
CheckHue(&response, appending);
#ifdef USE_ZIGBEE
ZigbeeCheckHue(&response, appending);
#endif // USE_ZIGBEE
#ifdef USE_SCRIPT_HUE
Script_Check_Hue(&response);
#endif
response += "}";
}
else if (path->endsWith(F("/state"))) { // Got ID/state
path->remove(0,8); // Remove /lights/
path->remove(path->indexOf(F("/state"))); // Remove /state
device_id = atoi(path->c_str());
device = DecodeLightId(device_id);
#ifdef USE_ZIGBEE
uint16_t shortaddr;
device = DecodeLightId(device_id, &shortaddr);
if (shortaddr) {
return ZigbeeHandleHue(shortaddr, device_id, response);
}
#endif // USE_ZIGBEE
#ifdef USE_SCRIPT_HUE
if (device > devices_present) {
return Script_Handle_Hue(path);
}
#endif
if ((device >= 1) || (device <= maxhue)) {
HueLightsCommand(device, device_id, response);
}
}
else if(path->indexOf(F("/lights/")) >= 0) { // Got /lights/ID
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("/lights path=%s"), path->c_str());
path->remove(0,8); // Remove /lights/
device_id = atoi(path->c_str());
device = DecodeLightId(device_id);
#ifdef USE_ZIGBEE
uint16_t shortaddr;
device = DecodeLightId(device_id, &shortaddr);
if (shortaddr) {
ZigbeeHueStatus(&response, shortaddr);
goto exit;
}
#endif // USE_ZIGBEE
#ifdef USE_SCRIPT_HUE
if (device > devices_present) {
Script_HueStatus(&response, device-devices_present - 1);
goto exit;
}
#endif
if ((device < 1) || (device > maxhue)) {
device = 1;
}
response += F("{\"state\":");
HueLightStatus1(device, &response);
HueLightStatus2(device, &response);
}
else {
response = "{}";
code = 406;
}
exit:
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE " Result (%s)"), response.c_str());
WSSend(code, CT_JSON, response);
}
void HueGroups(String *path)
{
/*
* http://tasmota/api/username/groups?1={"name":"Woonkamer","lights":[],"type":"Room","class":"Living room"})
*/
String response = "{}";
uint8_t maxhue = (devices_present > MAX_HUE_DEVICES) ? MAX_HUE_DEVICES : devices_present;
//AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE " HueGroups (%s)"), path->c_str());
if (path->endsWith("/0")) {
response = FPSTR(HUE_GROUP0_STATUS_JSON);
String lights = F("\"1\"");
for (uint32_t i = 2; i <= maxhue; i++) {
lights += ",\"";
lights += EncodeLightId(i);
lights += "\"";
}
#ifdef USE_ZIGBEE
ZigbeeHueGroups(&response);
#endif // USE_ZIGBEE
response.replace("{l1", lights);
HueLightStatus1(1, &response);
response += F("}");
}
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE " HueGroups Result (%s)"), path->c_str());
WSSend(200, CT_JSON, response);
}
void HandleHueApi(String *path)
{
/* HUE API uses /api/<userid>/<command> syntax. The userid is created by the echo device and
* on original HUE the pressed button allows for creation of this user. We simply ignore the
* user part and allow every caller as with Web or WeMo.
*
* (c) Heiko Krupp, 2017
*
* Hue URL
* http://tasmota/api/username/lights/1/state with post data {"on":true,"hue":56100,"sat":254,"bri":254,"alert":"none","transitiontime":40}
* is converted by webserver to
* http://tasmota/api/username/lights/1/state with arg plain={"on":true,"hue":56100,"sat":254,"bri":254,"alert":"none","transitiontime":40}
*/
uint8_t args = 0;
path->remove(0, 4); // remove /api
uint16_t apilen = path->length();
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE_API " (%s)"), path->c_str()); // HTP: Hue API (//lights/1/state
for (args = 0; args < WebServer->args(); args++) {
String json = WebServer->arg(args);
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR(D_LOG_HTTP D_HUE_POST_ARGS " (%s)"), json.c_str()); // HTP: Hue POST args ({"on":false})
}
if (path->endsWith(F("/invalid/"))) {} // Just ignore
else if (!apilen) HueAuthentication(path); // New HUE App setup
else if (path->endsWith(F("/"))) HueAuthentication(path); // New HUE App setup
else if (path->endsWith(F("/config"))) HueConfig(path);
else if (path->indexOf(F("/lights")) >= 0) HueLights(path);
else if (path->indexOf(F("/groups")) >= 0) HueGroups(path);
else if (path->endsWith(F("/schedules"))) HueNotImplemented(path);
else if (path->endsWith(F("/sensors"))) HueNotImplemented(path);
else if (path->endsWith(F("/scenes"))) HueNotImplemented(path);
else if (path->endsWith(F("/rules"))) HueNotImplemented(path);
else if (path->endsWith(F("/resourcelinks"))) HueNotImplemented(path);
else HueGlobalConfig(path);
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv20(uint8_t function)
{
bool result = false;
#if defined(USE_SCRIPT_HUE) || defined(USE_ZIGBEE)
if ((EMUL_HUE == Settings.flag2.emulation)) {
#else
if (devices_present && (EMUL_HUE == Settings.flag2.emulation)) {
#endif
switch (function) {
case FUNC_WEB_ADD_HANDLER:
WebServer->on(F("/description.xml"), HandleUpnpSetupHue);
break;
}
}
return result;
}
#endif // USE_WEBSERVER && USE_EMULATION && USE_EMULATION_HUE