diff --git a/source/00_supperthomas/04_AI/02_chatgpt.md b/source/00_supperthomas/04_AI/02_chatgpt.md
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+# Chatgpt
+
+
+
diff --git a/source/00_supperthomas/16_core_spec/01_core spec.md b/source/00_supperthomas/16_core_spec/01_core spec.md
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+# Core spec 5.4
+
+# 简介
+
+本文主要介绍蓝牙5.4 中的主要内容，和每个章节的内容，方便大家在core spec中进行查找
+
+
+
+
+
diff --git a/source/RTTHREAD/11_doxygen/doxygen_read.md b/source/RTTHREAD/11_doxygen/doxygen_read.md
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+# RTTHREAD Doxygen 阅读
+
+## 简介
+
+本文主要介绍RT-THREAD doxygen如何进行阅读和方便查找。
+
+之前做了几篇doxygen如何生成和自动CI的内容，觉得还是需要让读者在使用的时候，尽快的了解这个doxygen生成的文档如何阅读和使用。
+
+[如何在线查看RT-THREAD的API 的注释](https://club.rt-thread.org/ask/article/0323c2c543515f29.html)
+
+## 页面解析
+
+依照RT-THREAD作为例子。
+
+首先打开下面的[RTTHREAD_API](https://supperthomas.github.io/RTT_doxygen_API/index.html)
+
+第一个页面mainpage.h
+
+![image-20240626093256934](images/image-20240626093256934.png)
+
+这里一共有三个模块，introduce，Modules(模块)， Data Structures(结构体)
+
+### Introduce
+
+这个主要内容在`rt-thread\documentation\doxygen\mainpage.h`里面
+
+这里分了三个section ： `RT-Thread Architecture`  `Kernel API` `System Initialization`
+
+这里的所有内容都在mainpage.h里面有些图片通过`images`来引用
+
+这里主要介绍了RT-THREAD的一些大概内容，可以简单阅读一下。这里的页面基本都是固定的，所以这里基本上改动不大。
+
+### Modules (主要内容)
+
+模块这里内容比较丰富，也比较重要，如下图所示，这里也是通过doxygen下面的一些头文件来索引到对应的group
+
+这里的group是个比较重要的索引概念，可以将不同文 件中的group都放到一起整理。
+
+![image-20240626094753064](images/image-20240626094753064.png)
+
+这里根据每个文档.h中的group，我们来整理出对应的关系图，如图所示
+
+![image-20240626094452911](images/image-20240626094452911.png)
+
+接下来就是modules里面的group了： `basic Definitions`, `Device virtual file system`, `finsh shell`,`Hardware Related Packages`, `RT-THREAD kernel API`, `Application module`, `System Initialization`
+
+下面根据重要性依次简介一下这些模块。
+
+#### Kernel (主要内容)
+
+Kernel是最重要的这里包含，线程管理，时钟管理，内核结构体管理，线程间通信，内存管理，设备系统，实时跟踪和记录，其他kernel service， error code，等等。都是比较重要的模块
+
+这个group名字叫`Kernel`
+
+
+
+![image-20240626095603527](images/image-20240626095603527.png)
+
+![image-20240626100516416](images/image-20240626100516416.png)
+
+在kernel.h中又定义了几个group，然后在其他文件中`@addtogroup Hook` 就可以索引到这里的group中。这里的group在其他.c和.h中，这里就不一一列出了，src和include下面有很多.c和.h都包含了这些group。
+
+#####  Thread  线程管理
+
+线程管理常见函数以`rt_thread_` 打头的函数
+
+##### Clock  时间和时钟管理
+
+时间管理函数以`rt_tick_` 和`rt_timer_` 打头的函数
+
+##### Object  对象管理
+
+对象管理以`rt_object_` 打头的函数
+
+##### Inter-Thread 线程间通信  (主要内容)
+
+这里有`semaphore`, `Mutex`, `event`, `mailbox`,`messagequeue`,
+
+#### Device Virtual File System
+
+![image-20240626100951988](images/image-20240626100951988.png)
+
+这个是文件系统，调用的是dfs_v2中的注释
+
+#### finsh
+
+这个是finsh系统
+
+![image-20240626101033263](images/image-20240626101033263.png)
+
+放的是finsh中的doxygen注释。
+
+####  Hardware
+
+这个是硬件libcpu中需要实现的一些函数，在hardware.h中。
+
+![image-20240626101108194](images/image-20240626101108194.png)
+
+### Data Structures
+
+这个是数据结构体。自动生成的。
+
+
+
+## PR 内容
+
+这边检查过程中发现以下问题。
+
+1. Signal 信号有两个，而且是空的，这是由于`addtogroup`的时候，看起来很不和谐，需要在kernel.h中添加如下机制
+
+
+
+![image-20240626082626266](images/image-20240626082626266.png)
+
+2. Inter-Thread communication 中，Mutex中的内容和下面的函数内容重复，
+
+![image-20240626151211938](images/image-20240626151211938.png)
+
+
+
+在doxygen/mainpage.h中
+
+关键词`@mainpage Introduction`
+
+这里用到了一个图片
+
+`\* @image html System_Arch.png "Figure 1: RT-Thread Architecture"`
+
+
+
+
+
+Signals在rtthread.h里面
+
+Signal在主页中，看起来很不和谐，需要在kernel.h中添加如下机制
+
+```
+/**
+ * @defgroup Signals Singal for thread
+ * @brief signal is used for thread kill etc.
+ *
+ * A signal (also known as a soft interrupt signal), from a software perspective, 
+ * is a simulation of interrupt mechanism. When it comes to its principle, 
+ * thread receiving a signal is similar to processor receiving an interrupt request.
+ */
+```
+
+
+
+显示所有文件列表：
+
+![image-20240625223549139](images/image-20240625223549139.png)
+
+
+
+
+
+
+
+
+
+![img](images/doxygens.jpeg)
+
+
+
+![img](images/doxygens.jpg)
+
+
+
+参考：
+
+https://blog.csdn.net/weixin_44567318/article/details/118579636#section__578
+
+
+
+https://docs.zephyrproject.org/latest/doxygen/html/index.html
+
+
+
+![image-20240626092440019](images/image-20240626092440019.png)
+
+
+
+TODO LIST:
+
+1. dfs 看起来有些乱，可以整理一下。 ok
+2. 看上去头文件中没有doxygen的注释，都是在src中。
+3. signal整理一下。ok
+4. rt_event_init   这个在两个地方都有。已解决  ok
+5. addtogroup 和ingroup的区别，  ingroup是在group里面有其他group， addtogroup表示加到当前group里面  ok
+6. 
+
+![image-20240627165850100](images/image-20240627165850100.png)
+
+
+
+https://www.doxygen.nl/manual/index.html
+
+
+
+
+
+RT-THREAD 参考手册
+
+https://www.rt-thread.org/document/api/index.html
+
+![image-20240626110554188](images/image-20240626110554188.png)
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