initial
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init.lua
50
init.lua
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-- Constants
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SSID = "MYWIWIF"
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APPWD = "QuantumPassword"
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CMDFILE = "mqtt.lua" -- File that is executed after connection
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-- Some control variables
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wifiTrys = 0 -- Counter of trys to connect to wifi
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NUMWIFITRYS = 200 -- Maximum number of WIFI Testings while waiting for connection
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-- Change the code of this function that it calls your code.
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function launch()
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print("Connected to WIFI!")
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print("IP Address: " .. wifi.sta.getip())
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-- Call our command file every minute.
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tmr.alarm(0, 60000, 0, function() dofile(CMDFILE) end )
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end
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function checkWIFI()
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if ( wifiTrys > NUMWIFITRYS ) then
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print("Sorry. Not able to connect")
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else
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ipAddr = wifi.sta.getip()
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if ( ( ipAddr ~= nil ) and ( ipAddr ~= "0.0.0.0" ) )then
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-- lauch() -- Cannot call directly the function from here the timer... NodeMcu crashes...
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tmr.alarm( 1 , 500 , 0 , launch )
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else
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-- Reset alarm again
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tmr.alarm( 0 , 2500 , 0 , checkWIFI)
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print("Checking WIFI..." .. wifiTrys)
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wifiTrys = wifiTrys + 1
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end
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end
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end
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print("-- Starting up! ")
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-- Lets see if we are already connected by getting the IP
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ipAddr = wifi.sta.getip()
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if ( ( ipAddr == nil ) or ( ipAddr == "0.0.0.0" ) ) then
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-- We aren't connected, so let's connect
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print("Configuring WIFI....")
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wifi.setmode( wifi.STATION )
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wifi.sta.config( SSID , APPWD)
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print("Waiting for connection")
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tmr.alarm( 0 , 2500 , 0 , checkWIFI ) -- Call checkWIFI 2.5S in the future.
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else
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-- We are connected, so just run the launch code.
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launch()
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end
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-- Drop through here to let NodeMcu run
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