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@@ -1,17 +1,34 @@
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--- Tel--l the chip to connect to the access point
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---wifi.setmode(wifi.STATIONAP)
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-wifi.setmode(wifi.STATION)
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+-- Begin WiFi configuration
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+
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+local wifiConfig = {}
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+
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+-- wifi.STATION -- station: join a WiFi network
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+-- wifi.AP -- access point: create a WiFi network
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+-- wifi.wifi.STATIONAP -- both station and access point
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+wifiConfig.mode = wifi.STATIONAP -- both station and access point
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+
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+wifiConfig.accessPointConfig = {}
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+wifiConfig.accessPointConfig.ssid = "ESP-"..node.chipid() -- Name of the SSID you want to create
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+wifiConfig.accessPointConfig.pwd = "ESP-"..node.chipid() -- WiFi password - at least 8 characters
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+
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+wifiConfig.stationPointConfig = {}
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+wifiConfig.stationPointConfig.ssid = "Internet" -- Name of the WiFi network you want to join
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+wifiConfig.stationPointConfig.pwd = "" -- Password for the WiFi network
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+
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+-- Tell the chip to connect to the access point
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+
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+wifi.setmode(wifiConfig.mode)
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print('set (mode='..wifi.getmode()..')')
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print('MAC: ',wifi.sta.getmac())
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print('chip: ',node.chipid())
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print('heap: ',node.heap())
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-
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-
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-local cfg={}
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-cfg.ssid="ESP-"..node.chipid()
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-cfg.pwd="ESP-"..node.chipid()
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-wifi.ap.config(cfg)
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-cfg = nil
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+
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+wifi.ap.config(wifiConfig.accessPointConfig)
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+wifi.sta.config(wifiConfig.stationPointConfig.ssid, wifiConfig.stationPointConfig.pwd)
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+wifiConfig = nil
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+collectgarbage()
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+
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+-- End WiFi configuration
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-- Compile server code and remove original .lua files.
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-- This only happens the first time afer the .lua files are uploaded.
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@@ -19,9 +36,10 @@ cfg = nil
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local compileAndRemoveIfNeeded = function(f)
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if file.open(f) then
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file.close()
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- print(f)
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+ print('Compiling:', f)
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node.compile(f)
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file.remove(f)
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+ collectgarbage()
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end
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end
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@@ -30,24 +48,29 @@ for i, f in ipairs(serverFiles) do compileAndRemoveIfNeeded(f) end
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compileAndRemoveIfNeeded = nil
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serverFiles = nil
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+collectgarbage()
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--- Connect to the WiFi access point. Once the device is connected,
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--- you may start the HTTP server.
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-
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-local joincounter = 0
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-
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-tmr.alarm(0, 3000, 1, function()
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+-- Connect to the WiFi access point.
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+-- Once the device is connected, you may start the HTTP server.
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- if wifi.sta.getip() == nil and joincounter < 5 then
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- print("Connecting to AP...")
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- joincounter = joincounter +1
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- else
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+local joinCounter = 0
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+local joinMaxAttempts = 5
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+tmr.alarm(0, 3000, 1, function()
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+ if wifi.sta.getip() == nil and joinCounter < joinMaxAttempts then
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+ print('Connecting to WiFi Access Point ...')
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+ joinCounter = joinCounter +1
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+ else
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+ if joinCounter == joinMaxAttempts then
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+ print('Faild to connect to WiFi Access Point.')
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+ else
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+ print('IP: ',wifi.sta.getip())
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+ -- Uncomment to automatically start the server in port 80
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+ --dofile("httpserver.lc")(80)
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+ end
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tmr.stop(0)
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- -- print('IP: ',wifi.sta.getip())
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- -- Uncomment to automatically start the server in port 80
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- joincounter = nil
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+ joinCounter = nil
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+ joinMaxAttempts = nil
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collectgarbage()
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- dofile("httpserver.lc")(80)
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end
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end)
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