(20.05.2024, 20:43)danborge Wrote: Hi,

Has anyone done a WLED integration? Tried searching the forums (and google), without luck. My goal is to use KNX+ LM visualization to control WLED (on/off, dim, color, effects).

I've also tried looking at other json scripts, but its quite difficult to understand with zero lua scripting knowledge...
The WLED page on json isn't very helpful (https://kno.wled.ge/interfaces/json-api/)

WLED also support MQTT (https://kno.wled.ge/interfaces/mqtt/), but that was even more difficult to understand 

--Dan

(21.05.2024, 11:37)Andrea Becagli Wrote:

(20.05.2024, 20:43)danborge Wrote: Hi,

Has anyone done a WLED integration? Tried searching the forums (and google), without luck. My goal is to use KNX+ LM visualization to control WLED (on/off, dim, color, effects).

I've also tried looking at other json scripts, but its quite difficult to understand with zero lua scripting knowledge...
The WLED page on json isn't very helpful (https://kno.wled.ge/interfaces/json-api/)

WLED also support MQTT (https://kno.wled.ge/interfaces/mqtt/), but that was even more difficult to understand 

--Dan

I have developed a pretty good library if you want. It just controls one segment though, but you can adapt it a little to control more than one

(21.05.2024, 07:24)admin Wrote: Example for brightness control.

Attach an event script to 0..100% scale object. Change WLED_IP to your WLED device IP address.

Code:

http = require('socket.http') json = require('json') ltn12 = require('ltn12') url = 'http://WLED_IP/json/state' value = event.getvalue() data = json.encode({   on = value > 0,   bri = math.round(value * 2.55), }) res, code = http.request({   url = url,   method = 'POST',   headers = {     ['content-type']  = 'application/json',     ['content-length'] = #data,   },   source = ltn12.source.string(data), }) log(res, code)

(22.05.2024, 15:31)Andrea Becagli Wrote: There you go, I will attach the library i made. Sorry I am italian so most of the comments are in italian

Code:

json = require('json') http = require('socket.http') wled_ctrl = {   defaults = {       debug_mode = false,     token = nil   } } --[[ Tutta la documentazione sulla Api puo essere ritrovata a https://kno.wled.ge/interfaces/json-api/. Per usare questa libreria sará necessario creare degli oggetti a cui poi collegare uno script su evento in cui richiamare le varie funzioni. Es. indirizzo di gruppo 0/0/1 COMANDO ON-OFF WLED verra collegato allo script su evento             local on_off = event.getvalue()             wled = wled_ctrl:init({ip = {{IP}}, debug_mode = false})             wled:accensione(on_off, ga_stato) ]]-- ----- CREAZIONE DELLA CLASSE WLED CONTROLLER ----- function wled_ctrl:init(params)   local n = setmetatable({}, { __index = wled_ctrl })   local k,v   -- set user parameters   n.params = params     for k, v in pairs(wled_ctrl.defaults) do     if n.params[ k ] == nil then       n.params[ k ] = v     end   end      return n end ----- RICHIESTA POST HTTP GENERICA ----- function wled_ctrl:basic_post_req(body_req)   res, err = http.request({   url = 'http://'..self.params.ip..'/json/state',   method = "POST",   body = body_req,   headers = {["Content-Type"] = "text/plain"}   })   return res,err end ----- ACCENSIONE ----- function wled_ctrl:accensione(valore, stato)   body1= '{"on":'..tostring(valore)..'}'   res,err = self:basic_post_req(body1)   if err == 200 then grp.write(stato, valore) end   if self.params.debug_mode and err ~= 200 then log("accensione - Error: "..tostring(err)) end end ----- LUMINOSITA ----- function wled_ctrl:luminosita(valore, stato)   body1= '{"bri":'..tostring(math.floor(valore*2.55))..'}'   res,err = self:basic_post_req(body1)   if err == 200 then grp.write(stato, valore) end   if self.params.debug_mode and err ~= 200 then log("luminosita - Error: "..tostring(err)) end end ----- COLORE ----- function wled_ctrl:colore(valore, stato)   hexcolor = string.format("%X",tostring(valore))   while hexcolor:len() < 6 do       hexcolor = "0"..hexcolor     end   log(hexcolor)   body1= '{"seg":[{"col":["'..hexcolor..'"]}]}'   res,err = self:basic_post_req(body1)   if err == 200 then grp.write(stato, valore) end   if self.params.debug_mode and err ~= 200 then log("colore - Error: "..tostring(err)) end end ----- EFFETTI ----- function wled_ctrl:effetto(valore, stato)   body1= '{"seg":[{"fx":'..tostring(valore)..'}]}'   res,err = self:basic_post_req(body1)   if err == 200 then grp.write(stato, valore) end   if self.params.debug_mode and err ~= 200 then log("effetto - Error: "..tostring(err)) end end ----- COLOR TEMP ----- function wled_ctrl:color_temp(valore, stato)   body1= '{"seg":[{"cct":'..tostring(valore)..'}]}'   res,err = self:basic_post_req(body1)   if err == 200 then grp.write(stato, valore) end   if self.params.debug_mode and err ~= 200 then log("color temp - Error: "..tostring(err)) end end ----- PALETTE ----- function wled_ctrl:palette(valore, stato)     body1= '{"seg":[{"pal":'..tostring(valore)..'}]}'   res,err = self:basic_post_req(body1)   if err == 200 then grp.write(stato, valore) end   if self.params.debug_mode and err ~= 200 then log("palette - Error: "..tostring(err)) end end  ----- STATO ----- function wled_ctrl:stato()   res,err = self:basic_post_req('{}')   local info = json.decode(res)   if self.params.debug_mode then log("Response: "..tostring(res).." Error: "..tostring(err)) end   return {     accensione = info.state.on,     luminosita = info.state.bri,     colore =info.state.seg[1].col[1],     effetto = info.state.seg[1].fx,     palette = info.state.seg[1].pal   } end