单片机c语言任务1——数码显示管0~9

仿真电路图

元件清单

程序代码

#include<reg52.h>//#define u16 unsigned int//#define u8 unsigned chartypedef unsigned int u16;typedef unsigned char u8; sbit led1=P1^0;sbit led2=P1^1;sbit led3=P1^2;sbit led4=P1^3;sbit led5=P1^4;sbit led6=P1^5;sbit led7=P1^6;sbit led8=P1^7;void delay(u16 num);void main(){  P1=0XFF;//初始化p1八位,设置p1^0~p^7为输出  while(1){      led1=0;//灯亮    delay(500);    led1=1;    delay(500);	led2=0;//灯亮    delay(500);    led2=1;    delay(500);	led3=0;//灯亮    delay(500);    led3=1;    delay(500);	led4=0;//灯亮    delay(500);    led4=1;    delay(500);	led5=0;//灯亮    delay(500);    led5=1;    delay(500);	led6=0;//灯亮    delay(500);    led6=1;    delay(500);	led7=0;//灯亮    delay(500);    led7=1;    delay(500);	led8=0;//灯亮    delay(500);    led8=1;    delay(500);}}  void delay(u16  num)//num=100{   unsigned int i,j;   for(i=100;i>0;i--)   for(j=110;j>0;j--);//延迟1ms
程序代码：
#include<reg52.h>//#define u16 unsigned int//#define u8 unsigned chartypedef unsigned int u16;typedef unsigned char u8; sbit led1=P1^0;sbit led2=P1^1;sbit led3=P1^2;sbit led4=P1^3;sbit led5=P1^4;sbit led6=P1^5;sbit led7=P1^6;sbit led8=P1^7;void delay(u16 num);void main(){  P1=0XFF;//初始化p1八位,设置p1^0~p^7为输出  while(1){    P1=0XFE;  delay(1000);//延时1s    P1=0XFD;  delay(1000);//延时1s    P1=0XFB;  delay(1000);//延时1s    P1=0XF7;  delay(1000);//延时1s    P1=0XEF;  delay(1000);//延时1s    P1=0XDF;  delay(1000);//延时1s    P1=0XBF;  delay(1000);//延时1s    P1=0X7F;  delay(1000);//延时1s}}  void delay(u16  num)//num=100{   unsigned int i,j;   for(i=100;i>0;i--)   for(j=110;j>0;j--);//延迟1ms
程序代码3：
#include<reg51.h>#define uint unsigned int	  delay(uint t){  uint i,j;  for(j=t;j>0;j--)  for(i=110;i>0;i--);}main() {   uint i, abs[8]={0XFE,0XFD,0XFb,0XF7,0Xef,0XDF,0Xbf,0X7f};   while(1)      {        for(i=0;i<8;i++)          {            P1=abs[i];            delay(1000);          }      }							 }
程序代码
	 #include"reg51.h"	 #include"intrins.h"	 #define uchar unsigned char	 #define uint unsigned int	 delay(uint t)	 {	  uint i,j;	  for(j=t;j>0;j--)	  for(i=110;i>0;i--);	 }	 main()	 {	 uint n=0Xfe;	 while(1)	 {	 P1=n;	 delay(1000);	 n=_crol_(n,1);	 }	 }