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在ST中断中，设置ST的唤醒时间，再次进入睡眠，发现无法再次进入ST中断，无法醒来，请问如何解决？
清标志位，ST中断有开启吗，EA=1?
恩，肯定开启的，有时间可以试下，不能在中断内执行睡眠，想知道原因。
