0
我想打开和关闭使用NodeMCU的Web服务器的LED,但每次编译时都会发生相同的错误。我处于初学者水平,所以我需要一些帮助。我相信这个错误与函数listen()有关。也许是因为我改变了我的DNS,端口80不能使用。Lua NodeMCU Web服务器连接错误(地址在使用堆栈回溯)
错误:
dofile("ConectarRedeWireless.lua");
192.168.137.57 255.255.255.0 192.168.137.1
ConectarRedeWireless.lua:13: address in use
stack traceback:
[C]: in function 'listen'
ConectarRedeWireless.lua:13: in main chunk
[C]: in function 'dofile'
stdin:1: in main chunk
代码:
-- Conexao na rede Wifi
wifi.setmode(wifi.STATION)
wifi.sta.config("goncalo","936674888")
print(wifi.sta.getip())
-- Definicoes do pino do led
led1 = 1
gpio.mode(led1, gpio.OUTPUT)
-- Definicoes do Web Server
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");
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
buf = buf.."<h1><u>FILIPEFLOP</u></h1>";
buf = buf.."<h2><i>ESP8266 Web Server</i></h2>";
buf = buf.."<p><a href=\"?pin=LIGA1\"><button><b>LED 1 LIG</b></button></a> <br/><br/><a href=\"?pin=DESLIGA1\"><button><b>LED 1 DES</b></button></a></p>";
local _on,_off = "",""
if(_GET.pin == "LIGA1")then
gpio.write(led1, gpio.HIGH);
elseif(_GET.pin == "DESLIGA1")then
gpio.write(led1, gpio.LOW);
end
client:send(buf);
client:close();
collectgarbage();
end)
end)
这解决了吗?你需要更多的反馈吗? –