原始版本

RT_Thread/documentation/0.doxygen/filesystem.h

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+/*
+ * This file is only used for doxygen document generation.
+ */
+
+/**
+ * @defgroup group_DFS Device Virtual File System
+ *
+ * @brief DFS is a virtual file system in RT-Thread RTOS.
+ *
+ * The DFS (Device Virtual File System) is a vfs file system of RT-Thread RTOS,
+ * which is focused on embedded device. VFS is an abstraction layer on top of a
+ * more concrete file system. The purpose of a VFS is to allow client applications
+ * to access different types of concrete file systems in a uniform way.
+ *
+ * @image html dfs.png "Figure 4: Device Virtual File System Architecture"
+ *
+ * The DFS specifies an interface between the kernel and a concrete file system.
+ * Therefore, it is easy to add support for new file system types to the kernel
+ * simply by fulfilling the interface.
+ */
+
+/**
+ * @addtogroup group_DFS
+ * @{
+ */
+
+/**
+ * @defgroup group_Fd File Descriptor
+ *
+ */
+
+/**
+ * @defgroup group_FsApi File System API
+ */
+
+/**
+ * @defgroup group_FileApi File API
+ */
+
+/**
+ * @defgroup group_FsPosixApi File POSIX API
+ */
+
+/**@}*/