<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Janet0307的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Janet0307</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Janet0307]]></copyright><item><title><![CDATA[RTC掉电走时]]></title><link>https://blog.youkuaiyun.com/Janet0307/article/details/160559445</link><guid>https://blog.youkuaiyun.com/Janet0307/article/details/160559445</guid><author>Janet0307</author><pubDate>Mon, 27 Apr 2026 15:06:51 +0800</pubDate><description><![CDATA[的 RTC 写入函数。这是个 HAL 库的设计缺陷——其他写入函数都自己处理了，唯独 BKUPWrite 没有。在执行完后会重新使能写保护。所以在这些函数之后调用。，必须先手动解除写保护，否则写入会被硬件静默丢弃。// 2. 执行需要写保护的操作（关键区域）内部虽然会临时禁用写保护，但它们在。// 3. 关锁（重新开启写保护）// 1. 打开锁（禁用写保护）// 或者连续写多个备份寄存器。所以在它们之后再次调用。]]></description><category></category></item><item><title><![CDATA[树莓派秒变监控屏，开机即看]]></title><link>https://blog.youkuaiyun.com/Janet0307/article/details/153623394</link><guid>https://blog.youkuaiyun.com/Janet0307/article/details/153623394</guid><author>Janet0307</author><pubDate>Fri, 12 Dec 2025 15:48:02 +0800</pubDate><description><![CDATA[URL是核心：找到正确的RTSP URL是成功的第一步。子码流是关键：使用（子码流）而非101（主码流），保证了在树莓派上的流畅性。低延迟参数等参数显著降低了视频延迟。正确的显示环境确保了画面显示在本地屏幕。合适的自启动方式：使用用户级的autostart目录，避免了在图形界面未就绪时启动图形程序的坑。]]></description><category></category></item><item><title><![CDATA[HK32F103学习]]></title><link>https://blog.youkuaiyun.com/Janet0307/article/details/132217323</link><guid>https://blog.youkuaiyun.com/Janet0307/article/details/132217323</guid><author>Janet0307</author><pubDate>Thu, 10 Aug 2023 20:08:23 +0800</pubDate><description><![CDATA[记录开发HK32F103板子历程]]></description><category></category></item><item><title><![CDATA[hfss仿真学习笔记]]></title><link>https://blog.youkuaiyun.com/Janet0307/article/details/128220372</link><guid>https://blog.youkuaiyun.com/Janet0307/article/details/128220372</guid><author>Janet0307</author><pubDate>Wed, 07 Dec 2022 14:59:27 +0800</pubDate><description><![CDATA[hfss学习记录]]></description><category></category></item></channel></rss>