修改通讯串口逻辑，添加810，811，812指令

packages/pkgs.json

@@ -4,6 +4,16 @@
   "ver": "v1.7.17", 
   "name": "CJSON"
  }, 
+ {
+  "path": "/packages/multimedia/LVGL/LVGL", 
+  "ver": "v8.3.0", 
+  "name": "LVGL"
+ }, 
+ {
+  "path": "/packages/multimedia/LVGL/gui_guider_demo", 
+  "ver": "latest", 
+  "name": "GUI_GUIDER_DEMO"
+ }, 
  {
   "path": "/packages/system/sqlite", 
   "ver": "v3.19.3",