Domoticz

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    ----------------------------------------------------------------------------------------------------------------
    -- Get the actual production data from a Kostal Piko Inverter
    -- Base lua used IsItGonnaRain 
		--
    -- Uses Piko.py  http://sourceforge.net/projects/piko/files/
    -- 
    -- Written in LUA by Hans Roijmans
    -- summer 2015
    -- 26-06-2015 v0.1 Initial release
    --  
    -- Todo: routine to get the data between ':' and 'W(h)'
    -- Output of tempfilename = '/var/tmp/piko.tmp' 
    -- Total energy    : 11651331 Wh
    -- Today energy    : 13104 Wh
		-- DC Power        : 1454 W
		-- AC Power        : 1342 W
		-- Efficiency      : 92.3%
    ----------------------------------------------------------------------------------------------------------

    ----------------------------------------------------------------------------------------------------------
    -- Domoticz IDX and names of the needed device
    ----------------------------------------------------------------------------------------------------------
    local PIKOIDX = 1121
    ----------------------------------------------------------------------------------------------------------
    -- Script parameter
    ----------------------------------------------------------------------------------------------------------
    tempfilename = '/var/tmp/piko.tmp' 

    ----------------------------------------------------------------------------------------------------------
    -- CommandArray
    ----------------------------------------------------------------------------------------------------------
    commandArray = {}
       read = os.execute('python /home/pi/domoticz/scripts/piko.py --host=10.0.0.2 -p -i -d > /var/tmp/piko.tmp') -- 
       file = io.open(tempfilename, "r")
       -- Read lines.
       line = file:read("*line")
    -- Total energy    : 11651331 Wh
       total=string.sub(tostring(line),18,27)
       line = file:read("*line")
    -- Today energy    : 13104 Wh
       today=string.sub(tostring(line),18,23)
       line = file:read("*line")
    -- DC Power        : 1454 W
       nowdc=string.sub(tostring(line),18,22)
       line = file:read("*line")
    -- AC Power        : 1342 W
       nowac=string.sub(tostring(line),18,22)
       file:close()       
       commandArray = {['UpdateDevice'] = PIKOIDX .. '|0|' .. nowac .. ';' .. today }
    return commandArray