No actions on low memory
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Ollo
parent
b8f037d61c
commit
fd85314d37
7
main.lua
7
main.lua
@ -11,7 +11,6 @@ function syncTimeFromInternet()
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syncRunning=true
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sntp.sync(sntpserverhostname,
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function(sec,usec,server)
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print('sync', sec, usec, server)
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syncRunning=nil
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end,
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function()
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@ -130,9 +129,12 @@ function normalOperation()
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setupCounter=setupCounter-1
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elseif ( (alive % 120) == 0) then
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-- sync the time every 5 minutes
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local heapusage = node.heap()
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if (heapusage > 12000) then
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syncTimeFromInternet()
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end
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heapusage=nil
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alive = alive + 1
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collectgarbage()
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else
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displayTime()
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alive = alive + 1
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@ -158,6 +160,7 @@ function normalOperation()
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ws2812.write(rgbBuffer)
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print("Fallback no time displayed")
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end
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collectgarbage()
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-- Feed the system watchdog.
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tmr.wdclr()
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end)
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113
mqtt.lua
113
mqtt.lua
@ -1,18 +1,21 @@
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-- Global variable
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local m=nil
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local mqttConnected = false
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-- Temp:
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local t=nil
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local tw=nil
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local tcol=nil
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-- Global Variables
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-- Display Temp
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tw=nil
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tcol=nil
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-- Module Variables
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-- Mqtt variable
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local mMqttClient=nil
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local mMqttConnected = false
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-- Read Temp
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local mOldTemp=nil
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function handleSingleCommand(client, topic, data)
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if (data == "ON") then
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briPer=100
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m:publish(mqttPrefix .. "/clock", "ON", 0, 0)
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mMqttClient:publish(mqttPrefix .. "/clock", "ON", 0, 0)
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elseif (data == "OFF") then
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briPer=0
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m:publish(mqttPrefix .. "/clock", "OFF", 0, 0)
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mMqttClient:publish(mqttPrefix .. "/clock", "OFF", 0, 0)
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elseif ((data:sub(1,1) == "#" and data:len() == 7) or (string.match(data, "%d+,%d+,%d+"))) then
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local red=0
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local green=0
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@ -26,11 +29,11 @@ function handleSingleCommand(client, topic, data)
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end
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colorBg=string.char(green * briPer / 100, red * briPer / 100, blue * briPer / 100)
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print("Updated BG: " .. tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue) )
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m:publish(mqttPrefix .. "/background", tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue), 0, 0)
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mMqttClient:publish(mqttPrefix .. "/background", tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue), 0, 0)
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else
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if (tonumber(data) >= 0 and tonumber(data) <= 100) then
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briPer=tonumber(data)
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m:publish(mqttPrefix .. "/clock", tostring(data), 0, 0)
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mMqttClient:publish(mqttPrefix .. "/clock", tostring(data), 0, 0)
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else
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print "Unknown MQTT command"
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end
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@ -54,7 +57,7 @@ function parseBgColor(data, row, per)
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red, green, blue = string.match(data, "(%d+),(%d+),(%d+)")
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end
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if ((red ~= nil) and (green ~= nil) and (blue ~= nil) ) then
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m:publish(mqttPrefix .. "/"..row, tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue), 0, 0)
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mMqttClient:publish(mqttPrefix .. "/"..row, tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue), 0, 0)
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if (per ~= nil) then
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return string.char(green * per / 100, red * per / 100, blue * per / 100)
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else
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@ -67,9 +70,9 @@ end
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function readTemp(ds18b20)
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if (ds18b20 ~= nil) then
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addrs=ds18b20.addrs()
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local addrs=ds18b20.addrs()
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-- Total DS18B20 numbers
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sensors=table.getn(addrs)
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local sensors=table.getn(addrs)
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local temp1=0
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if (sensors >= 1) then
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temp1=ds18b20.read(addrs[0])
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@ -85,39 +88,47 @@ end
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-- Connect or reconnect to mqtt server
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function reConnectMqtt()
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if (not mqttConnected) then
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m:connect(mqttServer, 1883, false, function(c)
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if (not mMqttConnected) then
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mMqttClient:connect(mqttServer, 1883, false, function(c)
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print("MQTT is connected")
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mqttConnected = true
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mMqttConnected = true
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-- subscribe topic with qos = 0
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m:subscribe(mqttPrefix .. "/cmd/#", 0)
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mMqttClient:subscribe(mqttPrefix .. "/cmd/#", 0)
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local tmr1 = tmr.create()
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tmr1:register(1000, tmr.ALARM_SINGLE, function (dummyTemp)
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-- publish a message with data = hello, QoS = 0, retain = 0
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m:publish(mqttPrefix .. "/ip", tostring(wifi.sta.getip()), 0, 0)
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mMqttClient:publish(mqttPrefix .. "/ip", tostring(wifi.sta.getip()), 0, 0)
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local red = string.byte(colorBg,2)
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local green = string.byte(colorBg,1)
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local blue = string.byte(colorBg,3)
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m:publish(mqttPrefix .. "/background", tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue), 0, 0)
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mMqttClient:publish(mqttPrefix .. "/background", tostring(red) .. "," .. tostring(green) .. "," .. tostring(blue), 0, 0)
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tmr1:unregister()
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tmr1=nil
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end)
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tmr1:start()
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end,
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function(client, reason)
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print("failed reason: " .. reason)
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mqttConnected = false
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mMqttConnected = false
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end)
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end
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end
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-- MQTT extension
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function registerMqtt()
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m = mqtt.Client("wordclock", 120)
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mMqttClient = mqtt.Client("wordclock", 120)
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-- on publish message receive event
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m:on("message", function(client, topic, data)
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print("MQTT " .. topic .. ":" )
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mMqttClient:on("message", function(client, topic, data)
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collectgarbage()
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if data ~= nil then
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print(data)
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local heapusage = node.heap()
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if (heapusage < 12000) then
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print("Skip " .. topic .. ":" .. data .. "; heap:" .. heapusage)
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heapusage=nil
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return
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end
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heapusage=nil
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print("MQTT " .. topic .. ":" .. data)
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if (topic == (mqttPrefix .. "/cmd/single")) then
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handleSingleCommand(client, topic, data)
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elseif (topic == (mqttPrefix .. "/cmd/temp")) then
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@ -146,7 +157,7 @@ function registerMqtt()
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print("Stop Mqtt and Temp")
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m=nil
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t=nil
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mqttConnected = false
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mMqttConnected = false
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if (mlt ~= nil) then
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mlt:unregister()
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else
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@ -178,7 +189,6 @@ function registerMqtt()
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for i=1,10,1 do
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if (string.match(topic, "row".. tostring(i) .."$")) then
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rowbgColor[i] = parseBgColor(data, "row" .. tostring(i), briPer)
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print("Updated row" .. tostring(i) )
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return
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end
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end
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@ -186,40 +196,45 @@ function registerMqtt()
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end
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end
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end)
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m:on("offline", function(client)
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-- do something
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mMqttClient:on("offline", function(client)
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print("MQTT Disconnected")
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mqttConnected = false
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end
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)
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mMqttConnected = false
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collectgarbage()
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end)
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reConnectMqtt()
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end
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function connectedMqtt()
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return mqttConnected
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return mMqttConnected
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end
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function startMqttClient()
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if (mqttServer ~= nil and mqttPrefix ~= nil) then
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registerMqtt()
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print "Started MQTT client"
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local dstimer = tmr.create()
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dstimer:register(123, tmr.ALARM_SINGLE, function (kTemp)
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local lSetupTimer = tmr.create()
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lSetupTimer:register(123, tmr.ALARM_SINGLE, function (kTemp)
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if (file.open("ds18b20_diet.lc")) then
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t=true
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print "Setup temperatur"
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end
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end)
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dstimer:start()
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local oldBrightness=0
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oldTemp=0
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local mqtttimer = tmr.create()
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mqtttimer:register(6001, tmr.ALARM_AUTO, function (kTemp)
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if (mqttConnected) then
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lSetupTimer:start()
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local loldBrightness=0
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mOldTemp=0
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local lMqttTimer = tmr.create()
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-- Check every 12 seconds
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lMqttTimer:register(12321, tmr.ALARM_AUTO, function (kTemp)
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if (mMqttConnected) then
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-- Cleanup the initialization stuff
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lSetupTimer=nil
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-- Do the action
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local heapusage = node.heap()
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local temperatur = nil
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if (oldBrightness ~= briPer) then
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m:publish(mqttPrefix .. "/brightness", tostring(briPer), 0, 0)
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oldBrightness = briPer
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if (loldBrightness ~= briPer) then
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mMqttClient:publish(mqttPrefix .. "/brightness", tostring(briPer), 0, 0)
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loldBrightness = briPer
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else
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if ((t ~= nil) and (heapusage > 12000)) then
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local ds18b20=require("ds18b20_diet")
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@ -233,16 +248,18 @@ function startMqttClient()
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else
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collectgarbage()
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end
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if (temperatur ~= nil and temperatur ~= oldTemp) then
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oldTemp = temperatur
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m:publish(mqttPrefix .. "/temp", tostring(temperatur/100)..".".. tostring(temperatur%100), 0, 0)
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if (temperatur ~= nil and temperatur ~= mOldTemp) then
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mOldTemp = temperatur
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mMqttClient:publish(mqttPrefix .. "/temp", tostring(temperatur/100)..".".. tostring(temperatur%100), 0, 0)
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else
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m:publish(mqttPrefix .. "/heap", tostring(heapusage), 0, 0)
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mMqttClient:publish(mqttPrefix .. "/heap", tostring(heapusage), 0, 0)
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end
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end
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heapusage=nil
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temperatur=nil
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end
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end)
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mqtttimer:start()
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lMqttTimer:start()
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end
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end
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