nodemcu-firmware/lua_examples/webap_toggle_pin.lua

35 lines
1.2 KiB
Lua

do
wifi.setmode(wifi.SOFTAP)
wifi.ap.config({ ssid = "test", pwd = "12345678" })
gpio.mode(1, gpio.OUTPUT)
local srv = net.createServer(net.TCP)
srv:listen(80, function(conn)
conn:on("receive", function(client, request)
local buf = ""
local _, _, method, path, vars = string.find(request, "([A-Z]+) (.+)?(.+) HTTP") -- luacheck: no unused
if (method == nil) then
_, _, method, path = string.find(request, "([A-Z]+) (.+) HTTP") -- luacheck: no unused
end
local _GET = {}
if (vars ~= nil) then
for k, v in string.gmatch(vars, "(%w+)=(%w+)&*") do
_GET[k] = v
end
end
buf = buf .. "<!DOCTYPE html><html><body><h1>Hello, this is NodeMCU.</h1>"
.. "<form src=\"/\">Turn PIN1 <select name=\"pin\" onchange=\"form.submit()\">"
local _on, _off = "", ""
if (_GET.pin == "ON") then
_on = " selected=true"
gpio.write(1, gpio.HIGH)
elseif (_GET.pin == "OFF") then
_off = " selected=\"true\""
gpio.write(1, gpio.LOW)
end
buf = buf .. "<option" .. _on .. ">ON</option><option" .. _off .. ">OFF</option></select></form></body></html>"
client:send(buf)
end)
conn:on("sent", function(c) c:close() end)
end)
end