V1.0.6

packages/third-party/micropython-1.13.0/docs/std-librarys/rtthread.md

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+## **rtthread** – 系统相关函数
+
+**rtthread** 模块提供了与 RT-Thread 操作系统相关的功能，如查看栈使用情况等。
+
+### 函数
+
+#### rtthread.current_tid()  
+返回当前线程的 id 。
+
+#### rtthread.is_preempt_thread()  
+返回是否是可抢占线程。
+
+#### rtthread.stacks_analyze()  
+返回当前系统线程和栈使用信息。
+
+### 示例
+
+```
+>>> import rtthread
+>>> 
+>>> rtthread.is_preempt_thread()       # determine if code is running in a preemptible thread
+True
+>>> rtthread.current_tid()             # current thread id
+268464956
+>>> rtthread.stacks_analyze()          # show thread information
+thread     pri  status      sp     stack size max used left tick  error
+---------- ---  ------- ---------- ----------  ------  ---------- ---
+elog_async  31  suspend 0x000000a8 0x00000400    26%   0x00000003 000
+tshell      20  ready   0x00000260 0x00001000    39%   0x00000003 000
+tidle       31  ready   0x00000070 0x00000100    51%   0x0000000f 000
+SysMonitor  30  suspend 0x000000a4 0x00000200    32%   0x00000005 000
+timer        4  suspend 0x00000080 0x00000200    25%   0x00000009 000
+>>> 
+```