This commit is contained in:
Wolfgang Hottgenroth 2015-09-10 15:28:09 +02:00
parent 0370715ef6
commit 9e634e3ecb

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