增加数据说明

Reviewed-on: #1

apps/iot/src/iot_mqtt_aircon_gateway.erl

@@ -117,7 +117,7 @@ handle_cast({send_command, Ref, ReceiverPid, DeviceId, Command}, State = #state{
     {stop, Reason :: term(), NewState :: #state{}}).
 handle_info({mqtt_message, Topic, Payload, _Qos}, State = #state{inflight = Inflight}) ->
     lager:debug("[iot_mqtt_aircon_gateway] get reply of topic: ~p, payload: ~p", [Topic, Payload]),
-    case binary:split(Topic, <<"/">>) of
+    case binary:split(Topic, <<"/">>, [global]) of
         [<<>>, <<"aircon">>, DeviceId, <<"command_reply">>] ->
             Reply = catch jiffy:decode(Payload, [return_maps]),
             case Reply of

docs/data.md

@@ -0,0 +1,7 @@
+# 关于数据含义
+
+## 概念说明
+    遥测为AI；遥信为DI；事件为SOE。其中AI和DI我可以实现数据的展示，SOE只能报警显示无法实现画面的二次应用。对于智慧照明，开关灯定义为SOE，我后台这边只存在一条事件
+
+## unit字段说明
+    ![img.png](img.png)