first commit

init.lua

@@ -0,0 +1,41 @@
+-- load location specific data 'altitude', 'ssid' and 'wifipassword'
+dofile("location.lua")
+
+function startup()
+    if file.open("init.lua") == nil then
+        print("init.lua deleted or renamed")
+    else
+        print("Running")
+        file.close("init.lua")
+        -- the actual application is stored in 'application.lua'
+        dofile("application.lua")
+    end
+end
+
+function read()
+    print("Reading value")
+end
+
+function flushing()
+    print("Flushing value")
+end
+
+print("Connecting to WiFi access point...")
+wifi.setmode(wifi.STATION)
+station_cfg={}
+station_cfg.ssid=ssid
+station_cfg.pwd=wifipassword
+wifi.sta.config(station_cfg)
+    print("Connected to wifi:" .. ssid)
+-- wifi.sta.connect() not necessary because config() uses auto-connect=true by default
+tmr.create():alarm(1000, tmr.ALARM_AUTO, function(cb_timer)
+    if wifi.sta.getip() == nil then
+        print("Waiting for IP address...")
+    else
+        cb_timer:unregister()
+        print("WiFi connection established, IP address: " .. wifi.sta.getip())
+        print("You have 3 seconds to abort")
+        print("Waiting...")
+        tmr.create():alarm(3000, tmr.ALARM_SINGLE, startup)
+    end
+end)