UDP广播 MAC地址

 1 enduser_setup.start()
 2 ListenPort = 8080        
 3 wifi.setmode(wifi.STATIONAP)
 4 
 5 wifi.sta.autoconnect(1)
 6 
 7 clientid = wifi.sta.getmac()
 8 print(clientid)
 9 UdpSocket = net.createUDPSocket()
10 UdpSocket:listen(ListenPort)
11 UdpSocket:on("receive", function(s, data, port, ip)
12     print(string.format("received '%s' from %s:%d", data, ip, port))
13     s:send(port, ip, "echo: " .. clientid)
14 end)
15 
16 printip = 0
17 wifi.eventmon.register(wifi.eventmon.STA_DISCONNECTED, function(T)
18     printip = 0
19 end)
20 wifi.eventmon.register(wifi.eventmon.STA_GOT_IP, function(T)
21    if printip == 0 then
22       print("+IP "..T.IP)
23       RSSI=wifi.sta.getrssi()--信号
24 print("RSSI is", RSSI)
25    end
26    printip = 1
27 end)

打开UDP访问192.168.8.197   4000端口

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