Edge-Trigger on RuChen https://blog.195481.xyz/tags/edge-trigger/ Recent content in Edge-Trigger on RuChen Hugo -- gohugo.io zh-cn 2510889344@qq.com (RuChen) 2510889344@qq.com (RuChen) All Rights Reserved © RuChen 2025 Sun, 04 Oct 2026 16:00:04 +0800 EXTI 外部事件如何变成可服务请求：从 Host Fake 到资料核对 https://blog.195481.xyz/embedded/embedded-study/l019-exti-event-path/ Sun, 04 Oct 2026 16:00:04 +0800 2510889344@qq.com (RuChen) https://blog.195481.xyz/embedded/embedded-study/l019-exti-event-path/ 把 EXTI 理解为外部输入经线路映射、触发条件和屏蔽后形成可观察请求，并由 pending 持有到服务和显式清除；Host Fake 只验证逻辑状态转换，不代表真实 STM32 寄存器、中断入口或上板结果。