用动态扫描方法和定时器1在数码管的前三位显示出秒表,精确到1%秒,即后...答:/*修改后的程序*/ include<reg52.h> define uint unsigned int define uchar unsigned char sbit wela=P2^7;sbit dula=P2^6;uchar code table[]={ 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};void init();void display(uchar fen,miao...
单片机led数码管实验答:单片机led数码管 秒表仿真实例,很简单的,可以参考一下,include<reg52.h> // 秒表程序 define uint unsigned int define uchar unsigned char uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};uchar bai,shi;uint a1,a...
...秒表是倒计时,从100秒开始倒计时 用数码管实时显示当前计时值...答:假设P0 P2接数码管,静态驱动,程序如下:include<reg52.h> define uchar unsigned char define uint unsigned int uchar num=100;uchar time=0;//共阴数码管七段码 uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77};void Delay1ms(uint i) //1ms延时...