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Tasmota/sonoff/xdrv_20_hue.ino

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/*
xdrv_20_hue.ino - Philips Hue support for Sonoff-Tasmota
Copyright (C) 2019 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)
/*********************************************************************************************\
* 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/1.17.0\r\n"
"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) + "FFFE" + 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);
snprintf_P(response + len, sizeof(response) - len, HUE_ST1, HueUuid().c_str());
PortUdp.write(response);
PortUdp.endPacket();
snprintf_P(response + len, sizeof(response) - len, HUE_ST2, HueUuid().c_str(), HueUuid().c_str());
PortUdp.write(response);
PortUdp.endPacket();
snprintf_P(response + len, sizeof(response) - len, HUE_ST3, HueUuid().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));
}
AddLog_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>"
"<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[] PROGMEM =
"{\"on\":{state},"
"{light_status}"
"\"alert\":\"none\","
"\"effect\":\"none\","
"\"reachable\":true}";
const char HUE_LIGHTS_STATUS_JSON2[] PROGMEM =
",\"type\":\"Extended color light\","
"\"name\":\"{j1\","
"\"modelid\":\"LCT007\","
"\"uniqueid\":\"{j2\","
"\"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_LIGHT_RESPONSE_JSON[] PROGMEM =
"{\"success\":{\"/lights/{id/state/{cm\":{re}}";
const char HUE_ERROR_JSON[] PROGMEM =
"[{\"error\":{\"type\":901,\"address\":\"/\",\"description\":\"Internal Error\"}}]";
/********************************************************************************************/
String GetHueDeviceId(uint8_t id)
{
String deviceid = WiFi.macAddress() + F(":00:11-") + 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_RGBWC
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";
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;
if (light_type) {
light_state.getHSB(&hue, &sat, nullptr);
bri = light_state.getBri();
if (bri > 254) bri = 254; // Philips Hue bri is between 1 and 254
if (bri < 1) bri = 1;
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, 359, 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);
}
*response += FPSTR(HUE_LIGHTS_STATUS_JSON1);
response->replace("{state}", (power & (1 << (device-1))) ? "true" : "false");
// Brightness for all devices with PWM
//if (LST_SINGLE <= light_subtype) {
light_status += "\"bri\":";
light_status += String(bri);
light_status += ",";
//}
if (LST_COLDWARM <= light_subtype) {
light_status += F("\"colormode\":\"");
light_status += (g_gotct ? "ct" : "hs");
light_status += "\",";
}
if (LST_RGB <= light_subtype) { // colors
if (prev_x_str[0] && prev_y_str[0]) {
light_status += "\"xy\":[";
light_status += prev_x_str;
light_status += ",";
light_status += prev_y_str;
light_status += "],";
} else {
float x, y;
light_state.getXY(&x, &y);
light_status += "\"xy\":[";
light_status += String(x, 5);
light_status += ",";
light_status += String(y, 5);
light_status += "],";
}
light_status += "\"hue\":";
light_status += String(hue);
light_status += ",";
light_status += "\"sat\":";
light_status += String(sat);
light_status += ",";
}
if (LST_COLDWARM == light_subtype || LST_RGBW <= light_subtype) { // white temp
light_status += "\"ct\":";
light_status += String(ct > 0 ? ct : 284);
light_status += ","; // if no ct, default to medium white
}
response->replace("{light_status}", light_status);
}
void HueLightStatus2(uint8_t device, String *response)
{
*response += FPSTR(HUE_LIGHTS_STATUS_JSON2);
response->replace("{j1", Settings.friendlyname[device-1]);
response->replace("{j2", GetHueDeviceId(device));
}
void HueGlobalConfig(String *path)
{
String response;
uint8_t maxhue = (devices_present > MAX_FRIENDLYNAMES) ? MAX_FRIENDLYNAMES : devices_present;
path->remove(0,1); // cut leading / to get <id>
response = F("{\"lights\":{\"");
for (uint8_t i = 1; i <= maxhue; i++) {
response += i;
response += F("\":{\"state\":");
HueLightStatus1(i, &response);
HueLightStatus2(i, &response);
if (i < maxhue) {
response += ",\"";
}
}
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);
}
void HueLights(String *path)
{
/*
* http://sonoff/api/username/lights/1/state?1={"on":true,"hue":56100,"sat":254,"bri":254,"alert":"none","transitiontime":40}
*/
String response;
int code = 200;
uint16_t tmp = 0;
uint16_t hue = 0;
uint8_t sat = 0;
uint8_t bri = 254;
uint16_t ct = 0;
bool resp = false; // is the response non null (add comma between parameters)
bool on = false;
bool change = false; // need to change a parameter to the light
uint8_t device = 1;
uint8_t maxhue = (devices_present > MAX_FRIENDLYNAMES) ? MAX_FRIENDLYNAMES : devices_present;
path->remove(0,path->indexOf("/lights")); // Remove until /lights
if (path->endsWith("/lights")) { // Got /lights
response = "{\"";
for (uint8_t i = 1; i <= maxhue; i++) {
response += i;
response += F("\":{\"state\":");
HueLightStatus1(i, &response);
HueLightStatus2(i, &response);
if (i < maxhue) {
response += ",\"";
}
}
response += "}";
}
else if (path->endsWith("/state")) { // Got ID/state
path->remove(0,8); // Remove /lights/
path->remove(path->indexOf("/state")); // Remove /state
device = atoi(path->c_str());
if ((device < 1) || (device > maxhue)) {
device = 1;
}
if (WebServer->args()) {
response = "[";
StaticJsonBuffer<400> jsonBuffer;
JsonObject &hue_json = jsonBuffer.parseObject(WebServer->arg((WebServer->args())-1));
if (hue_json.containsKey("on")) {
response += FPSTR(HUE_LIGHT_RESPONSE_JSON);
response.replace("{id", String(device));
response.replace("{cm", "on");
on = hue_json["on"];
switch(on)
{
case false : ExecuteCommandPower(device, POWER_OFF, SRC_HUE);
response.replace("{re", "false");
break;
case true : ExecuteCommandPower(device, POWER_ON, SRC_HUE);
response.replace("{re", "true");
break;
default : response.replace("{re", (power & (1 << (device-1))) ? "true" : "false");
break;
}
resp = true;
}
if (light_type) {
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
}
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.
tmp = hue_json["bri"];
prev_bri = bri = tmp; // store command value
// extend bri value if set to max
if (254 <= bri) { bri = 255; }
if (resp) { response += ","; }
response += FPSTR(HUE_LIGHT_RESPONSE_JSON);
response.replace("{id", String(device));
response.replace("{cm", "bri");
response.replace("{re", String(tmp));
if (LST_SINGLE <= light_subtype) {
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")) { // Saturation of the light. 254 is the most saturated (colored) and 0 is the least saturated (white).
float x, y;
x = hue_json["xy"][0];
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));
//AddLog_P2(LOG_LEVEL_DEBUG_MORE, "XY (%s %s)", String(prev_x,5).c_str(), String(prev_y,5).c_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, 359, 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 += ","; }
response += FPSTR(HUE_LIGHT_RESPONSE_JSON);
response.replace("{id", String(device));
response.replace("{cm", "xy");
response.replace("{re", "[" + x_str + "," + y_str + "]");
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.
tmp = hue_json["hue"];
prev_hue = tmp;
// change range from 0..65535 to 0..359
hue = changeUIntScale(tmp, 0, 65535, 0, 359);
if (resp) { response += ","; }
response += FPSTR(HUE_LIGHT_RESPONSE_JSON);
response.replace("{id", String(device));
response.replace("{cm", "hue");
response.replace("{re", String(tmp));
if (LST_RGB <= light_subtype) {
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).
tmp = hue_json["sat"];
prev_sat = sat = tmp; // store command value
// extend sat value if set to max
if (254 <= sat) { sat = 255; }
if (resp) { response += ","; }
response += FPSTR(HUE_LIGHT_RESPONSE_JSON);
response.replace("{id", String(device));
response.replace("{cm", "sat");
response.replace("{re", String(tmp));
if (LST_RGB <= light_subtype) {
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 += ","; }
response += FPSTR(HUE_LIGHT_RESPONSE_JSON);
response.replace("{id", String(device));
response.replace("{cm", "ct");
response.replace("{re", String(ct));
if ((LST_COLDWARM == light_subtype) || (LST_RGBW <= light_subtype)) {
g_gotct = true;
change = true;
}
resp = true;
}
if (change) {
if (light_type) {
if (g_gotct) {
light_controller.changeCTB(ct, bri);
} else {
light_controller.changeHSB(hue, sat, bri);
}
LightPreparePower();
if (LST_COLDWARM <= light_subtype) {
MqttPublishPrefixTopic_P(RESULT_OR_STAT, PSTR(D_CMND_COLOR));
} else {
MqttPublishPrefixTopic_P(RESULT_OR_STAT, PSTR(D_CMND_DIMMER));
}
}
change = false;
}
response += "]";
if (2 == response.length()) {
response = FPSTR(HUE_ERROR_JSON);
}
}
else {
response = FPSTR(HUE_ERROR_JSON);
}
}
else if(path->indexOf("/lights/") >= 0) { // Got /lights/ID
path->remove(0,8); // Remove /lights/
device = atoi(path->c_str());
if ((device < 1) || (device > maxhue)) {
device = 1;
}
response += F("{\"state\":");
HueLightStatus1(device, &response);
HueLightStatus2(device, &response);
}
else {
response = "{}";
code = 406;
}
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://sonoff/api/username/groups?1={"name":"Woonkamer","lights":[],"type":"Room","class":"Living room"})
*/
String response = "{}";
uint8_t maxhue = (devices_present > MAX_FRIENDLYNAMES) ? MAX_FRIENDLYNAMES : devices_present;
if (path->endsWith("/0")) {
response = FPSTR(HUE_GROUP0_STATUS_JSON);
String lights = F("\"1\"");
for (uint8_t i = 2; i <= maxhue; i++) {
lights += ",\"";
lights += String(i);
lights += "\"";
}
response.replace("{l1", lights);
HueLightStatus1(1, &response);
response += F("}");
}
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://sonoff/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://sonoff/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("/invalid/")) {} // Just ignore
else if (!apilen) HueAuthentication(path); // New HUE App setup
else if (path->endsWith("/")) HueAuthentication(path); // New HUE App setup
else if (path->endsWith("/config")) HueConfig(path);
else if (path->indexOf("/lights") >= 0) HueLights(path);
else if (path->indexOf("/groups") >= 0) HueGroups(path);
else if (path->endsWith("/schedules")) HueNotImplemented(path);
else if (path->endsWith("/sensors")) HueNotImplemented(path);
else if (path->endsWith("/scenes")) HueNotImplemented(path);
else if (path->endsWith("/rules")) HueNotImplemented(path);
else HueGlobalConfig(path);
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv20(uint8_t function)
{
bool result = false;
if (devices_present && (EMUL_HUE == Settings.flag2.emulation)) {
switch (function) {
case FUNC_WEB_ADD_HANDLER:
WebServer->on("/description.xml", HandleUpnpSetupHue);
break;
}
}
return result;
}
#endif // USE_WEBSERVER && USE_EMULATION && USE_EMULATION_HUE
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