原始版本

RT_Thread/documentation/0.doxygen/finsh.h

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+/*
+ * This file is only used for doxygen document generation.
+ */
+
+/**
+ * @defgroup group_finsh finsh shell
+ *
+ * @brief finsh shell is a user command shell in RT-Thread RTOS.
+ *
+ * finsh shell is a user command shell in RT-Thread RTOS, which is a shell can
+ * accept C-expression like syntax in command. From finsh shell, user can access
+ * system area, such as memory, variables and function by input C-expression in
+ * command.
+ *
+ * @image html finsh.png "Figure 3: finsh shell architecture"
+ * There is a shell thread, which named as "tshell", in the finsh shell, it read
+ * user command from console device, and then invokes system function or access
+ * system variable to output result (by rt_kprintf).
+ */