mycode.lua

print('\nSolar PV Controller - ESP8266 Server v1b\n')
tmr.alarm(0, 1000, 1, function()
   if wifi.sta.getip() == nil then
      print("Connecting to AP...\n")
   else
      ip, nm, gw=wifi.sta.getip()
      macAdd = wifi.sta.getmac();
      print("IP Info: \nIP Address: ",ip)
      print("Netmask: ",nm)
      print("Gateway Addr: ",gw,'\n')
      print("Mac Addr: ",macAdd,'\n')
      tmr.stop(0)
   end
end)
Relay1 = 0
Relay2 = 2
gpio.mode(Relay1, gpio.OUTPUT)
gpio.mode(Relay2, gpio.OUTPUT)
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> Solar Relay ESP8266 Web Server</h1>";
        buf = buf.."<h2> IOT Project irun4fun 2016</h2>";
        buf = buf.."<p>Battery <a href=\"?pin=ON1\"><button>Power ON</button></a>&nbsp;<a href=\"?pin=OFF1\"><button>Power OFF</button></a></p>";
        buf = buf.."<p>PV Panel <a href=\"?pin=ON2\"><button>Power ON</button></a>&nbsp;<a href=\"?pin=OFF2\"><button>Power OFF</button></a></p>";
        local _on,_off = "",""
        if(_GET.pin == "ON1")then
              gpio.write(Relay1, gpio.HIGH);
        elseif(_GET.pin == "OFF1")then
              gpio.write(Relay1, gpio.LOW);
        elseif(_GET.pin == "ON2")then
              gpio.write(Relay2, gpio.HIGH);
        elseif(_GET.pin == "OFF2")then
              gpio.write(Relay2, gpio.LOW);
        end
        client:send(buf);
        client:close();
        collectgarbage();
    end)
end)