stm32版八位串行595数码管#include"sys.h"//点击魔术棒加入对应的文件夹地址,FWLIB里加入相应的头文件#include"delay.h"#include"usart.h"#include"led.h"#include"key.h"////////////////////////////////////////////////////////////////////////////unsignedcharfseg[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x