Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
请问一下从引脚接收到沿变化,到进入linux的中断相应handle,需要5Ms以上时间,这个正常吗?测试方法是先使用ktime_get_ns()记录时间,驱动一个gpio反转电平,输入一个设置为沿变化中断的引脚,在中断handle,再次记录计算. 用的是百问网的哪吒板
Copyright © 2024 深圳全志在线有限公司 粤ICP备2021084185号 粤公网安备44030502007680号
行为准则 | 用户协议 | 隐私权政策