ESP-WROOM-02でLチカ

web-Lchika_init.lua

-- Pin config
gpio.mode(5, gpio.OUTPUT) -- GPIO14 -> OUTPUT

-- Wi-Fi config
wifi_cfg={}
wifi_cfg.ssid="ESP8266_TEST01"
wifi_cfg.pwd="password"
wifi.ap.config(wifi_cfg)

-- IP Config
ip_cfg={}
ip_cfg.ip="192.168.1.1"
ip_cfg.netmask="255.255.255.0"
ip_cfg.gateway="192.168.1.1"
wifi.ap.setip(ip_cfg)

-- Enable Access Point
wifi.setmode(wifi.SOFTAP)

collectgarbage();

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 = "<title> ESP8266 Web Server</title>";
    buf = buf.."<h1> ESP8266 Web Server</h1>";
    buf = buf.."<p>GPIO0 <a href=\"?pin=ON1\"><button>ON</button></a>&nbsp;<a href=\"?pin=OFF1\"><button>OFF</button></a></p>";
    if(_GET.pin == "ON1")then
      gpio.write(5, gpio.HIGH);
    elseif(_GET.pin == "OFF1")then
      gpio.write(5, gpio.LOW);
    end
    client:send(buf);
    client:close();
    collectgarbage();
  end)
end)