1、同步BR28。add 文件传输crc校验心跳包，防止传输大文件校验超时;

2、修正科大讯飞、摄像头测试问题；

SDK/cpu/br35/tools/UI工程/ui_320x386_watch/模式界面/project/BT_Watch.json

@@ -1,7 +1,7 @@
 {
     "-name": "BT_Watch",
     "-type": "project",
-    "activePage": 84,
+    "activePage": 83,
     "chip_type": "BR35",
     "dpi_type": "72",
     "lang_excel": "../../多国语言/多国语言_watch.xls",
@@ -1425,7 +1425,7 @@
                                                                     "height": 89,
                                                                     "width": 320,
                                                                     "x": 0,
-                                                                    "y": -86
+                                                                    "y": 0
                                                                 }
                                                             },
                                                             {
@@ -1988,7 +1988,7 @@
                                                                     "height": 89,
                                                                     "width": 320,
                                                                     "x": 0,
-                                                                    "y": 9
+                                                                    "y": 95
                                                                 }
                                                             },
                                                             {
@@ -2551,7 +2551,7 @@
                                                                     "height": 89,
                                                                     "width": 320,
                                                                     "x": 0,
-                                                                    "y": 104
+                                                                    "y": 190
                                                                 }
                                                             },
                                                             {
@@ -3114,7 +3114,7 @@
                                                                     "height": 89,
                                                                     "width": 320,
                                                                     "x": 0,
-                                                                    "y": 199
+                                                                    "y": 285
                                                                 }
                                                             },
                                                             {
@@ -3677,7 +3677,7 @@
                                                                     "height": 89,
                                                                     "width": 320,
                                                                     "x": 0,
-                                                                    "y": 294
+                                                                    "y": 380
                                                                 }
                                                             },
                                                             {
@@ -429875,7 +429875,7 @@
                                     {
                                         "-name": "background_color",
                                         "-type": "background-color",
-                                        "background-color": "",
+                                        "background-color": "#ff000000",
                                         "caption": "背景颜色"
                                     },
                                     {
@@ -432353,7 +432353,7 @@
                                                         "-name": "invisible",
                                                         "-type": "enum",
                                                         "caption": "默认隐藏",
-                                                        "default": "false",
+                                                        "default": "true",
                                                         "enum": [
                                                             {
                                                                 "true": 1
@@ -435281,7 +435281,7 @@
                                     {
                                         "-name": "background_color",
                                         "-type": "background-color",
-                                        "background-color": "",
+                                        "background-color": "#ff000000",
                                         "caption": "背景颜色"
                                     },
                                     {
@@ -438837,7 +438837,7 @@
                                     {
                                         "-name": "background_color",
                                         "-type": "background-color",
-                                        "background-color": "",
+                                        "background-color": "#ff000000",
                                         "caption": "背景颜色"
                                     },
                                     {
@@ -445822,9 +445822,9 @@
                                             "-type": "text-pic",
                                             "caption": "文字列表",
                                             "compress": true,
-                                            "default": "M607",
+                                            "default": "M633",
                                             "list": [
-                                                "M607"
+                                                "M633"
                                             ],
                                             "maxlength": 100,
                                             "text_type": "default"