Domoticz

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-- Version 1 (20171006)
--
-- Domoticz lua script to convert the Domoticz switch commands to control the speaker
-- Creates a http request based on a list of unique IP and passes the volume values to the speakers 
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-- Poss'M (c)2017
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-- Define your device IP-addresses (Bluesound devices respond to port 11000)
-- { <IP>, <Virtual Switch Name>}
Devices = {}
Devices [1] = {"192.168.1.60:11000", 'Speaker Woonkamer'}
Devices [2] = {"192.168.1.61:11000", 'Speaker Keuken'}

commandArray = {}
-- Loop trough BlueSound speakers and set the volume to right speaker
for i,device in ipairs(Devices) do
    BSVolControl = 'http://' .. device[1] .. '/Volume?level=' .. otherdevices_svalues[device[2]]
    if (devicechanged[device[2]]) then
            commandArray['OpenURL']=BSVolControl
            print(device[2] .. " (".. device[1] ..") set to " ..  otherdevices_svalues[device[2]] .."%")
    end
end
return commandArray

Code: Select all

------------------------------------------------------------------------------------------
-- Version 1 (20171006)
--
-- Domoticz lua script to convert XML output from Bluesound Speakers to Domoticz commands
-- Reads the status based on a list of unique IP and passes the volume values to virtual switches in Domoticz
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-- Original XML_Capture function by RATA1 at Domoticz-forum, adapted by Poss'M (c)2017
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commandArray = {}

function XML_Capture(cmd,flatten)
   local f = assert(io.popen(cmd, 'r'))
   local s = assert(f:read('*a'))
   f:close()
   if flatten  then
      s = string.gsub(s, '^%s+', '')
      s = string.gsub(s, '%s+$', '')
      s = string.gsub(s, '[\n\r]+', ' ')
   end
   return s
end

-- Set debug to true to print to log file.
debug = false

-- Define your device IP-addresses (Bluesound devices respond to port 11000)
-- { <IP>, <Virtual Switch Name>}
Devices = {}
Devices [1] = {"192.168.1.60:11000", 'Speaker Woonkamer'}
Devices [2] = {"192.168.1.61:11000", 'Speaker Keuken'}

for i,device in ipairs(Devices) do
    if debug == true then
            print("Reading values from: 'http://".. device[1] .."/Volume'")
    end
    
    -- Read the XML data from the device
    XML_string=XML_Capture("curl -s 'http://".. device[1] .."/Volume'",1)
    valid = string.find(XML_string, "<volume>")    -- check we are looking in the right place
    
        if debug == true then
            print(XML_string)
        end
       
        if valid == nil then
            print ("Bad XML status read - info NOT updated")
        else
        -- Find in the XML_string the info-fields based on their labels
        -- Determine start/stop-positions of the values within the substrings
        v_open = string.find(XML_string,"<volume>")+8      -- read volume string
        v_close = string.find(XML_string,"</volume>")-1      -- read volume string
        volume= string.sub(XML_string,v_open,v_close)
        
        -- If volume levels mismatch with the Domoticz interface, update the Virtual Switch with the level of the Speaker
        if (otherdevices_svalues[device[2]] ~= volume) then
             commandArray[device[2]] = 'Set Level ' .. volume
        end
     end
 end
return commandArray

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2017-10-09 21:19:11.110 User: Admin initiated a switch command (764/V-rum/Set Level) 
2017-10-09 21:19:12.013 EventSystem: Script event triggered: /home/pi/domoticz/scripts/lua/script_device_bluesound2.lua 
2017-10-09 21:19:12.086 LUA: V-rum (192.168.1.20:11000) set to 11% 
2017-10-09 21:19:12.087 EventSystem: Fetching url... 
2017-10-09 21:19:12.087 EventSystem: Script event triggered: /home/pi/domoticz/scripts/lua/script_device_bluesound1.lua 
2017-10-09 21:19:12.162 (El) Light/Switch (V-rum) 
2017-10-09 21:19:13.114 LUA: V-rum (192.168.1.20:11000) set to 6% 
2017-10-09 21:19:13.115 EventSystem: Fetching url... 
2017-10-09 21:19:13.115 EventSystem: Script event triggered: /home/pi/domoticz/scripts/lua/script_device_bluesound1.lua 
2017-10-09 21:19:13.190 (El) Light/Switch (V-rum) 

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<volume db="-100">0</volume>