FreeRTOS定时任务
时间: 2023-11-18 13:52:23 浏览: 179
FreeRTOS定时任务是通过一个名为prvTimerTask的任务来管理软定时器的。这个任务在启动调度器时会自动创建,并负责检查用户设置的定时器是否溢出,并调用相应的回调函数。要使用FreeRTOS定时任务,需要在FreeRTOSConfig.h文件中将configUSE_TIMERS宏定义设置为1,以便编译进相关的代码。软件定时器主要用于定时触发或周期性执行的功能,类似于软件模拟的定时中断。它不需要硬件支持,与硬件定时器或计数器无关。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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