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电子工程专辑
4 年
FreeRTOS系列第27篇---FreeRTOS系统延时分析
FreeRTOS提供了两个系统延时函数:相对延时函数vTaskDelay()和绝对延时函数vTaskDelayUntil()。 相对延时是指每次延时都是从任务执行函数vTaskDelay()开始,延时指定的时间结束; 绝对延时是指每隔指定的时间,执行一次调用vTaskDelayUntil()函数的任务,换句话说:任务以 ...
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