上节课程我们介绍了cubemx的界面、时钟配置以及如何新建工程等，本节咱们就继续进行程序员届的“hello world”-“点灯”。 GPIO选择与配置 嵌入式软件工程师拿到板子第一件事要做的一定是熟悉原理图，你可以不会设计，但一定要能看懂，软件工程师调试代码 ...

There are three main reasons for declaring an object volatile: Shared access; the object is shared between several tasks in a multitasking environment Trigger access; as for a memory-mapped SFR where ...