freertos获取tick

在FreeRTOS中，可以通过使用函数vTaskGetTickCount()来获取当前的tick数。Tick是系统中断的基本单位，代表系统运行的时间。每次系统心跳时，tick数会增加。通过调用vTaskGetTickCount()函数，可以获取当前tick数的值。这个函数返回一个32位无符号整数，可以表示较长的时间。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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