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- -- Begin WiFi configuration
- local wifiConfig = {}
- -- Possible modes: wifi.STATION : station: join a WiFi network
- -- wifi.SOFTAP : access point: create a WiFi network
- -- wifi.wifi.STATIONAP: both station and access point
- wifiConfig.mode = wifi.STATION
- if (wifiConfig.mode == wifi.SOFTAP) or (wifiConfig.mode == wifi.STATIONAP) then
- wifiConfig.accessPointConfig = {}
- wifiConfig.accessPointConfig.ssid = "ESP-"..node.chipid() -- Name of the SSID you want to create
- wifiConfig.accessPointConfig.pwd = "ESP-"..node.chipid() -- WiFi password - at least 8 characters
- wifiConfig.accessPointIpConfig = {}
- wifiConfig.accessPointIpConfig.ip = "192.168.111.1"
- wifiConfig.accessPointIpConfig.netmask = "255.255.255.0"
- wifiConfig.accessPointIpConfig.gateway = "192.168.111.1"
- end
- if (wifiConfig.mode == wifi.STATION) or (wifiConfig.mode == wifi.STATIONAP) then
- wifiConfig.stationConfig = {}
- wifiConfig.stationConfig.ssid = "Internet" -- Name of the WiFi network you want to join
- wifiConfig.stationConfig.pwd = "" -- Password for the WiFi network
- end
- -- Tell the chip to connect to the access point
- wifi.setmode(wifiConfig.mode)
- --print('set (mode='..wifi.getmode()..')')
- if (wifiConfig.mode == wifi.SOFTAP) or (wifiConfig.mode == wifi.STATIONAP) then
- print('AP MAC: ',wifi.ap.getmac())
- wifi.ap.config(wifiConfig.accessPointConfig)
- wifi.ap.setip(wifiConfig.accessPointIpConfig)
- end
- if (wifiConfig.mode == wifi.STATION) or (wifiConfig.mode == wifi.STATIONAP) then
- print('Client MAC: ',wifi.sta.getmac())
- wifi.sta.config(wifiConfig.stationConfig.ssid, wifiConfig.stationConfig.pwd, 1)
- end
- print('chip: ',node.chipid())
- print('heap: ',node.heap())
- wifiConfig = nil
- collectgarbage()
- -- End WiFi configuration
- -- Compile server code and remove original .lua files.
- -- This only happens the first time after server .lua files are uploaded.
- local compileAndRemoveIfNeeded = function(f)
- if file.open(f) then
- file.close()
- print('Compiling:', f)
- node.compile(f)
- file.remove(f)
- collectgarbage()
- end
- end
- local serverFiles = {
- 'httpserver.lua',
- 'httpserver-b64decode.lua',
- 'httpserver-basicauth.lua',
- 'httpserver-conf.lua',
- 'httpserver-connection.lua',
- 'httpserver-error.lua',
- 'httpserver-header.lua',
- 'httpserver-request.lua',
- 'httpserver-static.lua',
- }
- for i, f in ipairs(serverFiles) do compileAndRemoveIfNeeded(f) end
- compileAndRemoveIfNeeded = nil
- serverFiles = nil
- collectgarbage()
- -- Function for starting the server.
- -- If you compiled the mdns module, then it will register the server with that name.
- local startServer = function(ip, hostname)
- local serverPort = 80
- if (dofile("httpserver.lc")(serverPort)) then
- print("nodemcu-httpserver running at:")
- print(" http://" .. ip .. ":" .. serverPort)
- if (mdns) then
- mdns.register(hostname, { description="A tiny server", service="http", port=serverPort, location='Earth' })
- print (' http://' .. hostname .. '.local.:' .. serverPort)
- end
- end
- end
- if (wifi.getmode() == wifi.STATION) or (wifi.getmode() == wifi.STATIONAP) then
- -- Connect to the WiFi access point and start server once connected.
- -- If the server loses connectivity, server will restart.
- wifi.eventmon.register(wifi.eventmon.STA_GOT_IP, function(args)
- print("Connected to WiFi Access Point. Got IP: " .. args["IP"])
- startServer(args["IP"], "nodemcu")
- wifi.eventmon.register(wifi.eventmon.STA_DISCONNECTED, function(args)
- print("Lost connectivity! Restarting...")
- node.restart()
- end)
- end)
- -- What if after a while (30 seconds) we didn't connect? Restart and keep trying.
- local watchdogTimer = tmr.create()
- watchdogTimer:register(30000, tmr.ALARM_SINGLE, function (watchdogTimer)
- local ip = wifi.sta.getip()
- if (not ip) then ip = wifi.ap.getip() end
- if ip == nil then
- print("No IP after a while. Restarting...")
- node.restart()
- else
- --print("Successfully got IP. Good, no need to restart.")
- watchdogTimer:unregister()
- end
- end)
- watchdogTimer:start()
- else
- startServer(wifi.ap.getip(), "nodemcu")
- end
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