<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>HCY · Engineering Notes</title><description>专注于 .NET、WPF、工业自动化与 Linux 自托管，把现场设备、桌面软件和服务端系统连接成可靠的工程方案。</description><link>https://hcyblog.uk/</link><language>zh-CN</language><item><title>Linux Socket 到底是什么</title><link>https://hcyblog.uk/blog/linux-socket/</link><guid isPermaLink="true">https://hcyblog.uk/blog/linux-socket/</guid><description>从文件描述符、TCP 四元组和字节流语义出发，理解 Socket 为什么不是一条条消息。</description><pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate><category>Linux</category><category>Network</category><category>TCP/IP</category></item><item><title>Modbus RTU 偶发超时应该如何排查</title><link>https://hcyblog.uk/blog/modbus-rtu-timeout/</link><guid isPermaLink="true">https://hcyblog.uk/blog/modbus-rtu-timeout/</guid><description>从串口独占、帧间隔、响应长度和现场干扰建立一条可复现的 Modbus RTU 超时排查链路。</description><pubDate>Sun, 16 Aug 2026 00:00:00 GMT</pubDate><category>Automation</category><category>Modbus</category><category>.NET</category></item><item><title>WPF 工业 HMI 中如何设计 DeviceHost</title><link>https://hcyblog.uk/blog/wpf-devicehost/</link><guid isPermaLink="true">https://hcyblog.uk/blog/wpf-devicehost/</guid><description>让设备连接独立于页面生命周期，并用能力接口、状态快照和统一取消构建可测试的 HMI。</description><pubDate>Sun, 09 Aug 2026 00:00:00 GMT</pubDate><category>WPF</category><category>.NET</category><category>Architecture</category></item></channel></rss>