Domoticz

Code: Select all

mosquitto_sub -h <Region>.thethings.network -t '+/devices/+/up' -u '<AppID>' -P '<AppKey>' -v

Code: Select all

    local idxVolt = 643 -- virtual sensor for monitoring battary of node 
    local idxT_H  = 642 -- virtual temp/humidity sensor

    commandArray = {} 

    time = os.date("*t")
    if  ((time.min % 5)==0)  then         -- Run every 5 minutes.

        json = (loadfile "/home/pi/domoticz/scripts/lua/JSON.lua")()
	    local config =     assert(io.popen("curl -X GET etc-etc... between brackets the exact curl string from swagger page..."))
        local devices = config:read('*all') 
        config:close()

        local dataLoRa = json:decode(devices) 
        if (dataLoRa == nil) then                      -- if no data available then
            print ("dataLoRa-1 string is empty  ")     -- prints this text in the logfile when no data
        else                                           -- if data available extract json results from it 
            local hum  = dataLoRa[1].hum               -- the [1] selects the first dataset from data storage, this does not need to be the
            local temp = dataLoRa[1].temp              -- last dataset received in TTN, if ?last=5m selects the time period for the TTN data
            local volt = dataLoRa[1].volt / 1000       -- converts millivolt to volt
            commandArray[1] = {['UpdateDevice'] = idxVolt .. '|0|' .. volt}
            commandArray[2] = {['UpdateDevice'] = idxT_H .. "|0|" .. temp .. ";" .. hum .. ";0"}
            print ("data from TTN imported")           -- prints this line in log if succesfull
       end
    end

return commandArray