单片机51C,主程序为数码管显示,使用外部中断0,每按键一次数字加一_百度...答:include<reg52.h> define uchar unsigned char define uint unsigned int uchar count;uint disnum;sbit dula=P2^6;sbit wela=P2^7;uchar code tabledu[]={0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90};display(uchar,uchar,uchar);delay(uchar);void main(){ EA=1;ET1=1;...
用51单片机做秒表,按键按下停止计时,再按一次接着计时答:include <reg51.h> include <intrins.h> unsigned char data dis_digit;unsigned char key_s, key_v;unsigned char code dis_code[11]={0xc0,0xf9,0xa4,0xb0, // 0, 1, 2, 3 0x99,0x92,0x82,0xf8,0x80,0x90, 0xff};// 4, 5, 6, 7, 8, 9, off unsigned char dis_buf[...