ESP8266
ESP8266 is a complete and self-contained Wi-Fi network chip.
<highlightSyntax language="lua">
require('ds18b20')
port = 80
gpio0, gpio2 = 3, 4 ds18b20.setup(gpio2)
t=""
gpio.mode(gpio0,gpio.OUTPUT)
for i=1,10 do
gpio.write(gpio0,gpio.LOW);
tmr.delay(100000)
gpio.write(gpio0,gpio.HIGH);
tmr.delay(100000)
end
ip = wifi.sta.getip() print (ip)
if ( ip == nil ) then
while 1 do
gpio.write(gpio0,gpio.LOW);
tmr.delay(50000)
gpio.write(gpio0,gpio.HIGH);
tmr.delay(50000)
end
node.restart()
end
srv=net.createServer(net.TCP) srv:listen(port, function(conn) conn:on("receive",function(conn,request) local buf = ""; local _, _, method, path, vars = string.find(request, "([A-Z]+) (.+)?(.+) HTTP"); if(method == nil)then _, _, method, path = string.find(request, "([A-Z]+) (.+) HTTP"); end local _GET = {} if (vars ~= nil)then for k, v in string.gmatch(vars, "(%w+)=(%w+)&*") do _GET[k] = v end end if (_GET.pin == "on")then gpio.write(gpio0,gpio.LOW); elseif(_GET.pin == "off")then gpio.write(gpio0,gpio.HIGH); end print(node.heap()) t = ds18b20.read()
conn:send("HTTP/1.1 200 OK\nContent-Type: text/html\n\n" ..
"<!DOCTYPE HTML>" ..
"<html><body>" ..
"Temperature : " .. t .. "
" ..
"</html></body>")
end)
conn:on("sent",function(conn) conn:close() end) collectgarbage("collect") end)
</highlightSyntax>
- Software Development Kit (SDK)
- ESP8266_lubuntu_20141021.ova Mein mirror vom 20141021