单片机用C语言写两个数码管显示0到59循环的程序在归0答:include<reg52.h> sbit wei=P3^0;sbit led1=P3^2;sbit led2=P3^3;char tt =0;char i=0;unsigned char code led_zx[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};void mdelay(unsigned int delaytime){ int c;for(;delaytime!=0;delaytime--)for(c=0;c...
51单片机,8位共阴极数码管动态显示12位学号,按键调整走动速度,C语言的...答:include <reg52.h> include <intrins.h> sbit k_add = P3^1;sbit k_sub = P3^4;unsigned char code SEG7[] = { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90, 0xff};unsigned char DISP_BUFF[] = { 10, 10, 10, 10, 10, 10, 10, 10,1, 3, 9, 2, 5...
用51单片机设计3位led数码显示管作秒表00.0-99.0求设计电路与c语言程 ...答://共阴数码管七段码 uchar TABLE[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//延时子程序 void delay1ms(uint t){ uint i,j,k;for(i=t;i>0;i--)for(j=15;j>0;j--)for(k=27;k>0;k--);} //显示子程序 void display(uint n){ uchar a1,a2,a3;a...
用51单片机C语言编写程序实现6位共阴极数码管循环显示0123456789ABCDEF...答:include<reg51.h># define uint unsigned int# define uchar unsigned charcode uchar shu[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07, /* 0 1 2 3 4 56 7*/0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //数码管段选 /* 8 9a b c def*/...
51单片机驱动8位共阴极数码管,可是显示不正确,问问这是为什么答:硬件连接 是否 正确,应该是 Px0-A , Px1-B , Px2-C , Px3-D , Px4-E , Px5-F , Px6-G , Px7-H,x 为显示共阳编码 所 连接端口 号 ,如果正确 就应该 软件问题,显示共阳编码没有问题 。