当前位置:网站首页>杰理之一直喂狗会频繁开关中断导致定时器【篇】
杰理之一直喂狗会频繁开关中断导致定时器【篇】
2022-06-27 10:55:00 【Rambo-Lamborghini】
用定时器做时间精准的翻转io需要关掉看门狗,因为再喂狗的函数里面有关总中断的操作,实测会对定时器中断造成大概5us的误差。改成定时喂狗或者关掉看门狗。
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