https://blog.195481.xyz/tags/ring-buffer/ Recent content in Ring-Buffer on RuChen Hugo -- gohugo.io zh-cn 2510889344@qq.com (RuChen) 2510889344@qq.com (RuChen) All Rights Reserved © RuChen 2025 Mon, 05 Oct 2026 17:52:01 +0800 https://blog.195481.xyz/embedded/embedded-study/l022-uart-rx-tx-loop/ Mon, 05 Oct 2026 17:52:01 +0800 2510889344@qq.com (RuChen) https://blog.195481.xyz/embedded/embedded-study/l022-uart-rx-tx-loop/ 建立可迁移的 UART 异步串行收发模型：学习者能解释帧边界与接收状态机，区分外设事件、软件缓冲和应用消费，并用 Host Fake 验证正常流、分段到达、缓冲溢出、帧错误恢复和 TX 捕获；不把主机逻辑当作 STM32 硬件证据。