用LED灯显示倒计时10秒 51单片机C语言编程 跪求答:0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};void delay(uint z); //延时程序声明 void init(void);//初始化程序声明 void display(uchar n1 ,uchar n2,uchar n3,uchar n4); //显示程序声明 void main() //主程序 { init(); //调用初始化程序 while(1) //进入大循环 { if(aa=...
使用2个数码管设计一个60秒倒计时C语言程序,要求用定时器中断定时1秒...答:7SEG-COM-CATHODE 为共阴管 include<reg51.h> define uchar unsigned char define uint unsigned int uchar num=60,shi,ge;uchar code TAB[]={ 0x3F,/*0*/ 0x06,/*1*/ 0x5B,/*2*/ 0x4F,/*3*/ 0x66,/*4*/ 0x6D,/*5*/ 0x7D,/*6*/ 0x07,/*7*/ 0x7F,/*8*/ 0x6F,/*...
51单片机数码管6秒倒计时c语言答:define KEY (P1&0x7)define SEG P2 define WEI P3 typedef unsigned char uint8;uint8 sec,min,ct,flag1,flag2;uint8 code dis[16]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,// 0 1 2 3 4 5 6 7 0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};...