23.2.2. ThreadX Hello

23.2.2.1. 概述

该工程演示了threadx的任务调度功能。本例程创建了8个线程。线程0周期性的打印状态消息到终端上，并且唤醒线程5。线程1发送数据到消息队列上，线程2从消息队列上读取消息。线程3和4试图获得同一个信号量，并持有一段时间。线程6和7试图获得同一个互斥量，并持有一段时间。

23.2.2.2. 硬件设置

无特殊设置

23.2.2.3. 运行现象

当工程正确运行后，串口终端会周期性输出线程的运行状态统计信息：

thread_0_entry
ThreadX Hpmicro Demonstration **** (c) 2023 Hpmicro

           thread 0 events sent:          0
           thread 1 messages sent:        0
           thread 2 messages received:    0
           thread 3 obtained semaphore:   0
           thread 4 obtained semaphore:   0
           thread 5 events received:      0
           thread 6 mutex obtained:       0
           thread 7 mutex obtained:       0

thread_5_entry
thread_3_and_4_entry
thread_3_and_4_entry
thread_6_and_7_entry
thread_6_and_7_entry
thread_1_entry
thread_2_entry
ThreadX Hpmicro Demonstration **** (c) 2023 Hpmicro

           thread 0 events sent:          1
           thread 1 messages sent:        135701
           thread 2 messages received:    135659
           thread 3 obtained semaphore:   2
           thread 4 obtained semaphore:   2
           thread 5 events received:      0
           thread 6 mutex obtained:       2
           thread 7 mutex obtained:       2