--tips to user link-AP
function PageAPNet()
    Disp:clearBuffer()
    --Disp:setFont(u8g2.font_unifont_t_symbols);
    Disp:setFont(u8g2.font_unifont_t_symbols);
    Disp:drawStr(0,10,"AP-LinkMode");
    Disp:setFont(u8g2.font_6x10_tf);
    Disp:drawStr(0,26,"Please use your");
    Disp:drawStr(0,36,"mobile phone search");
    Disp:drawStr(0,46,"and link ap-point");
    Disp:drawStr(0,56,"DY-Light-Controller");
    Disp:updateDisplay();
end
--mobile setting ap and passwd
function AutoLinkByMobile()
    wifi.sta.clearconfig();
    wifi.setmode(wifi.STATIONAP);
    wifi.ap.config({ssid="DY-Light-Controller", auth=wifi.OPEN});
    enduser_setup.manual(true);
    enduser_setup.start(
        "DY-Light-Controller",
        function()
            print("Connected to WiFi!")
        end,
        function(err, str)
            print("enduser_setup: Err #" .. err .. ": " .. str)
        end
    )
    print("init endUserServer")
end