...我想要做秒表,用数码管动态显示应该怎样做啊!答:include<reg52.h> define uchar unsigned char define uint unsigned int void Delay_ms(uint u){while(u--);} sbit P20=P2^0;sbit P21=P2^1;sbit P22=P2^2;//uchar code a []={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//uchar code a[10] = {0x03, 0x9f,...
...1、能实现0.0到9.9的计数 2、使用数码管显示计数 3、能暂停 4...答:include<reg52.h> sbit LED1=P2^0;sbit LED2=P2^1;sbit LED3=P2^2;sbit LED4=P2^3;sbit P3_5 =P3^5;unsigned char keycnt;unsigned char Tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};unsigned int counet,second,msecond,minute;void delay(unsigned int m...