https://blog.youkuaiyun.com/2402_89554177zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/2402_89554177/article/details/160509373https://blog.youkuaiyun.com/2402_89554177/article/details/1605093732402_89554177Sun, 26 Apr 2026 12:01:13 +0800https://blog.youkuaiyun.com/2402_89554177/article/details/160258120https://blog.youkuaiyun.com/2402_89554177/article/details/1602581202402_89554177Tue, 21 Apr 2026 22:34:56 +0800https://blog.youkuaiyun.com/2402_89554177/article/details/160154326https://blog.youkuaiyun.com/2402_89554177/article/details/1601543262402_89554177Tue, 14 Apr 2026 19:39:52 +0800https://blog.youkuaiyun.com/2402_89554177/article/details/151652236https://blog.youkuaiyun.com/2402_89554177/article/details/1516522362402_89554177Mon, 15 Sep 2025 23:30:19 +0800https://blog.youkuaiyun.com/2402_89554177/article/details/149314560https://blog.youkuaiyun.com/2402_89554177/article/details/1493145602402_89554177Sun, 13 Jul 2025 20:55:08 +0800 &&keysking定时器就是计数器一般常用通用定时器通过预分频器来进行计数，预分频是16位，最多能进行65536次分频计算公式：定时器周期（秒）]]>https://blog.youkuaiyun.com/2402_89554177/article/details/149307719https://blog.youkuaiyun.com/2402_89554177/article/details/1493077192402_89554177Sun, 13 Jul 2025 14:38:56 +0800 &&keysking。]]>https://blog.youkuaiyun.com/2402_89554177/article/details/149296540https://blog.youkuaiyun.com/2402_89554177/article/details/1492965402402_89554177Sat, 12 Jul 2025 19:40:45 +0800 &&keysking普通按键控制，简洁明了，在函数内实现按键消抖，使用轮询扫描，降低了CPU的效率中断控制按键，在中断内实现按键消抖，降低了CPU的占用率和损耗。]]>https://blog.youkuaiyun.com/2402_89554177/article/details/148829986https://blog.youkuaiyun.com/2402_89554177/article/details/1488299862402_89554177Wed, 09 Jul 2025 19:46:05 +0800的学习标准库用keilHAL库用cubIDE只需将所选的引脚设为输出模式其他的保持不动举一反三 成为点灯大师。]]>https://blog.youkuaiyun.com/2402_89554177/article/details/148824684https://blog.youkuaiyun.com/2402_89554177/article/details/1488246842402_89554177Sun, 22 Jun 2025 11:20:12 +0800https://blog.youkuaiyun.com/2402_89554177/article/details/148678173https://blog.youkuaiyun.com/2402_89554177/article/details/1486781732402_89554177Fri, 20 Jun 2025 14:34:55 +0800