单片机c语言任务1——数码显示管0~9
3/8/2017来源:ASP.NET技巧人气:2150
仿真电路图
元件清单
程序代码
#include<reg52.h> //#define u16 unsigned int //#define u8 unsigned char typedef 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 char typedef 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); } }
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