stm32 下运行的，按键扫描的的程序，有消抖动功能，有按键翻译功能，有初始化定时器功能。 稍微改一下你就可以用- Running under the STM32, the key to scan the program, there is jitter function, there is the key translation function, there is the initialization timer function. Just a little change, y