-- init.lua
local SSID = "WLAN NAME"
local SSID_PASSWORD = "password"

wifi.setmode(wifi.STATION)
wifi.setphymode(wifi.PHYMODE_N)
--wifi.sta.config(SSID, SSID_PASSWORD)
wifi.sta.config {ssid=SSID, pwd=SSID_PASSWORD}
wifi.sta.autoconnect(1)

tmr.alarm(1, 1000, 1, function()
    if wifi.sta.getip()== nil then
        print ("Waiting for Wifi connection")
    else
        tmr.stop(1)
        tmr.stop(2)
        print ("ESP8266 mode is: " .. wifi.getmode ( ))
        print ("The module MAC address is: " .. wifi.ap.getmac ( ))
        print ("Config done, IP is " .. wifi.sta.getip ( ))
        
        dofile("dsleep.lua")
    end
end)

-- if there is no connection after some seconds, stop trying to connect and go to deep sleep for a minute
tmr.alarm(2, 10 * 1000, 1, function()
    tmr.stop(1)
    tmr.stop(2)
    if wifi.sta.getip() == nil then
        print("down", wifi.sta.getip())
        node.dsleep(60 * 1000000)
    end
end)