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FR8008A在操作GPIO时,发现一些无法理解的地方,如下一段代码 只做了一个GPIO的电平翻转,理论上应该是一样的,但是对应的耗时却存在很大的不同,如下图 前6次耗时32us,while里的6次耗时1.5us,这是什么情况导致的,又如何解决呢?
这个得实际看才知道呢