Domoticz

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return {

    on = {
        timer = { 'every minute' }
        },

	data = {
    vedpanna = { history = true, maxItems = 25, maxMinutes = 25 }
},
	execute = function(domoticz, device)
	    
        vedpanna = domoticz.devices('Vedpanna')
        vedpanna_20 = domoticz.data.vedpanna.getAtTime('0:20:00')
 
        domoticz.log('vedpanna_temp: ' .. vedpanna.temperature)
        domoticz.log('vedpanna_20_temp: ' .. vedpanna_20.temperature)

	end
}

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vedpanna_20 = domoticz.data.vedpanna.getAtTime('0:20:00')

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return {
	on = {
		timer = { 'every minute' }
	},
	data = {
		vedpanna = { history = true, maxMinutes = 25 }
	},
	execute = function(domoticz, device)
		local currentTemp = domoticz.devices('Vedpanna').temperature
		
		-- add temperature to the history
		domoticz.data.vedpanna.add(currentTemp)
		
		local tempMinus20 = domoticz.data.vedpanna.getAtTime('0:20:00') -- returns the temperature
		
		domoticz.log('current temperature: ' .. currentTemp)
		domoticz.log('temperature 20mins ago: ' .. tempMinus20)
	end
}

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--[[ 
Temptest
 ]]--

return {
	on = {  timer = { 'every minute' } }, 
	data = { vedpanna = { history = true, maxMinutes = 25 } }, 
	
	execute = function(domoticz, _)
		local currentTemp  = domoticz.devices('Vedpanna').temperature or 'fail'
		local historyTemp   = domoticz.data.vedpanna
		local historyOldest  = historyTemp.getOldest().time.minutesAgo or 0  
		local tempMinus2    = "Not in history yet"
		local tempMinus20  = "Not in history yet"
		
		if currentTemp ~= 'fail' then 
			-- add temperature to the history
			historyTemp.add(currentTemp)
		
			if historyOldest > 2 then
				tempMinus2 = historyTemp.getAtTime('0:02:00').data -- returns the temperature
				if historyOldest > 21 then
					tempMinus20 = historyTemp.getAtTime('0:20:00').data -- returns the temperature
				end  
			end  
			
			print ( 'Current temperature: ' .. currentTemp)
			print ( 'Temperature 2 minutes ago: ' .. tempMinus2)
			print ( 'Temperature 20 minutes ago: ' .. tempMinus20)
			
			print ( 'Average temperature: ' ..  historyTemp.avg())
			print ( 'Oldest temperature in history: ' ..  historyTemp.getOldest().data)
			print ( 'Oldest time stamp in history: ' ..  historyTemp.getOldest().time.getISO())
			print ( 'Minutes of data in history: ' .. historyOldest)
			print ( 'Last added temperature in history: ' ..  historyTemp.getLatest().data)
			print ( 'Number of entries in History: ' ..  historyTemp.size)
			
		else
			print ( 'Skipped adding temperature to history (Wrong temperature reading) ' )
		end
	end
}

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local Time = require('Time')
local lastTime = Time('2017-12-31 00:00:01')
return {
	on = {
		timer = { 'every 5 minutes' }
	},
	data = {
		vedpanna = { history = true, maxMinutes = 25 }
	},
	execute = function(domoticz, device)
		local currentTemp = domoticz.devices('Vedpanna').temperature
        local availableStorage = tonumber(domoticz.devices('Utrymme i tankarna').rawData[1])
        local Ready=1
        local now = Time()
		local tempMinus5, index = domoticz.data.vedpanna.get(1)
		local tempMinus20, index = domoticz.data.vedpanna.get(4)
		local number, index = domoticz.data.vedpanna.size
		
		-- add temperature to the history
		domoticz.data.vedpanna.add(currentTemp)
		
		domoticz.log('Last time: ' .. lastTime.hoursAgo..' hours ago' )
		domoticz.log('Number: ' .. number)
		
		domoticz.log('')
		domoticz.log('Current temperature: ' .. currentTemp)
		
		if tempMinus5 ~= nil then
		    domoticz.log('Temperature idx=1: '..tempMinus5.time.minutesAgo.. ' minutes ago: ' .. tempMinus5.data)
		else
		    Ready=0
		end 
		
		if tempMinus20 ~= nil then
		    domoticz.log('Temperature idx=4: '..tempMinus20.time.minutesAgo.. ' minutes ago: ' .. tempMinus20.data)
		else
		    Ready=0
		end 

		domoticz.log('Available storage '..availableStorage)

		if (Ready==1) then 
		    if (    currentTemp < tempMinus20.data 
		        and tempMinus20.data > tempMinus5.data 
		        and currentTemp < tempMinus5.data 
		        and currentTemp > 70 
		        and currentTemp < 80 
		        and availableStorage > 0.5) 
		        and lastTime.hoursAgo >= 2 then
		    domoticz.notify('Fyll ' .. availableStorage ..' pannor med ved!')
		    lastTime=now
	        end
	    end
		
		domoticz.log('')
	end
}