支持反向的上报，首先，再model.txt里面类别设置为!mouse等（在类别前面加一个英文的感叹号，表示非），然后yolov5正常上报，数字（比如，现在上报的是0个），rk1808-tool在收到消息之后，会查看前面是否有感叹号，如果有，表示在个数为0的时候，持续10秒钟，就上报；否则，就是在个数不为0，且持续10秒钟之后上报。

rknn.cpp

@@ -20,9 +20,9 @@
 void *upload_info(void *arg);
 
 // #define LABEL_NALE_TXT_PATH "./model/coco_80_labels_list.txt"
-static int pre_change_frames[OBJ_CLASS_MAX] = {0};
+int pre_change_frames[OBJ_CLASS_MAX];
 // static int last_objects[OBJ_NUMB_MAX_SIZE] = {0};
-static int pre_change_objects[OBJ_CLASS_MAX] = {0};
+int pre_change_objects[OBJ_CLASS_MAX];
 static int size_of_last_objects = 0;
 static int size_of_pre_changed = 0;
 
@@ -32,6 +32,7 @@ int UploadPort = 0;
 
 static char is_uploading = 0;
 
+
 pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 // rknn_t *rk = NULL;
 char *global_model = NULL;
@@ -110,6 +111,10 @@ int print_object_detect_result(rknn_app_context_t *rknn, object_detect_result_li
 
     int current_objects[OBJ_CLASS_MAX] = {0};
     char need_upload = 0;
+    for (int i = 0; i < OBJ_CLASS_REAL_NUM; i++) {
+        need_upload_info[i] = -1;
+        current_objects[i] = 0;
+    }
 
     for (int i = 0; i < group->count; i++)
     {