51单片机怎么用按键控两个数码管,按一下改变两个数字的显示速度,速答:include<reg51.h> define uchar unsigned char;uchar distab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; //0到f uchar number,dat,dattop=10,cnt=0;sbit keyu=P1^0;sbit keyd=P1^1;void t0isr() interrupt 1 { TH0...
单片机C51实现按键一次数码管加1程序问题。高手进。答:设计一个单片机C51程序,实现功能是,1、按KEY1只有红灯亮,KEY2只有黄灯亮,KEY3只有绿灯亮。2、开始右数码管显示0,每按KEY1一次数码管显示加1,至9后再循环。先已经编好程序,第一个实现,但第二个总弄不对。感觉问题很简单,就是差一点,高手帮我看一下。... 展开 #...
要求用单片机控制数码管显示0-f。按一下按键,数码管的显示数字...答:请你参考:代码如下:include<reg51.h>sbit Button=P3^0;unsigned char code segCode[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E};void Delayms(unsigned int x){ unsigned char t;while(x--)for(t=0;t<120;t++);}void main()...