23.1.4. CMSIS OS2 MSG QUEUE (FreeRTOS)

23.1.4.1. 概述

该工程演示了CMSIS OS2 FreeRTOS的消息队列功能。该工程创建2个线程，一个发送消息，一个接收消息并打印。

23.1.4.2. 硬件设置

无特殊设置

23.1.4.3. 运行现象

当工程正确运行后，串口终端会输出如下信息：

app_msg: received [cmd = 1, data = 0x1]
app_msg: received [cmd = 1, data = 0x2]
app_msg: received [cmd = 1, data = 0x3]
app_msg: received [cmd = 1, data = 0x4]
app_msg: received [cmd = 1, data = 0x5]
app_msg: received [cmd = 1, data = 0x6]
app_msg: received [cmd = 1, data = 0x7]
app_msg: received [cmd = 1, data = 0x8]
app_msg: received [cmd = 1, data = 0x9]
app_msg: received [cmd = 1, data = 0xA]
app_msg: received [cmd = 1, data = 0xB]
app_msg: received [cmd = 1, data = 0xC]
app_msg: received [cmd = 1, data = 0xD]
app_msg: received [cmd = 1, data = 0xE]
app_msg: received [cmd = 1, data = 0xF]