利用51单片机和3位数码管实现10分钟内的简易计时器答:修改如下:#include<reg51.h>#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};sbit key1=P2^7;sbit key2=P2^6;sbit weiH=P3^0;sbit weiM=P3^1;sbit weiL=P3^...
单片机c语言按键每按一次加一一直到加到100程序怎么写?求高手指点...答:给你参考 //12M晶振。2位共阳数码管,P0为段码,P2.0、P2.1位控 include <reg51.h> define uchar unsigned char sbit P20=P2^0;sbit P21=P2^1;sbit KEY=P2^2;uchar ge,shi;uchar code tab[ ]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,};void delay_ms(unsigned...
80c51单片机计数器怎么写暂停 c语言答:include<reg51.h> define uchar unsigned char;uchar LED1,LED2;uchar distab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};uchar num=0;sec,key;void delay(unsigned int a){ unsigned int i,j;for(i=0;i<a;i++)for(j=0;j<120;j++);} void display(){ LED1...