摘要: 就就是你用BSRR和BRR去改变管脚状态的时候,没有被中断打断的风险。也就不需要关闭中断。This way, there is no risk that an IRQ occurs between the rea... 阅读全文
posted @ 2018-09-01 20:40 wdliming 阅读(184) 评论(0) 推荐(0)