你的位置:首页 > 操作系统

[操作系统]573锁存器驱动8段数码管


#include <reg51.h> #define SEG P2  sbit P1_0 = P1^0; sbit P1_1 = P1^1; sbit P1_2 = P1^2; sbit P1_3 = P1^3; sbit P1_4 = P1^4; unsigned char code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x3c,0x07,0x7f,0x37}; void delay(int x); void main(){   while(1)  //2015    {     P1_0 =0; //573 低电平使能  SEG =tab[2]; //送段位  P1_1 = 0;  //点亮数码管      P1_0 = 1;  //关闭锁存  P1_1 = 1;  //关闭数码管          P1_0 =0; //573 低电平使能  SEG =tab[0];  P1_2 = 0;      P1_0 = 1;  P1_2 = 1;                 P1_0 =0; //573 低电平使能  SEG =tab[1];  P1_3 = 0;       P1_0 = 1;  P1_3 = 1;      P1_0 =0; //573 低电平使能  SEG =tab[5];  P1_4 = 0;       P1_0 = 1;  P1_4 = 1;              }   }void delay(int x) //6ms*x  23MHZ晶振{  int i,j;  for( i=0;i<x;i++)  for( j =0;j<12000;j++);}

 

 

#include <reg51.h> #define SEG P2  sbit P1_0 = P1^0; sbit P1_1 = P1^1; sbit P1_2 = P1^2; sbit P1_3 = P1^3; sbit P1_4 = P1^4; unsigned char code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x3c,0x07,0x7f,0x37}; void delay(int x); void main(){   while(1)  //521 1314   {  P1_0 =0; //573 低电平使能  SEG =tab[5]; //送段位  P1_1 = 0;  //点亮数码管    delay(166);  //延时 P1_0 = 1;  //关闭锁存  P1_1 = 1;  //关闭数码管            P1_0 =0; //573 低电平使能  SEG =tab[2];  P1_2 = 0;  delay(166); P1_0 = 1;  P1_2 = 1;                 P1_0 =0; //573 低电平使能  SEG =tab[1];  P1_3 = 0;  delay(166);  P1_0 = 1;  P1_3 = 1;   ////////////////////////////////////////////  1314    P1_0 =0; //573 低电平使能  SEG =tab[1]; //送段位  P1_1 = 0;  //点亮数码管    delay(166);  //延时 P1_0 = 1;  //关闭锁存  P1_1 = 1;  //关闭数码管          P1_0 =0; //573 低电平使能  SEG =tab[3];  P1_2 = 0;  delay(166); P1_0 = 1;  P1_2 = 1;                 P1_0 =0; //573 低电平使能  SEG =tab[1];  P1_3 = 0;  delay(166);  P1_0 = 1;  P1_3 = 1;      P1_0 =0; //573 低电平使能  SEG =tab[4];  P1_4 = 0;  delay(166);  P1_0 = 1;  P1_4 = 1;           }   }void delay(int x) //6ms*x  23MHZ晶振{  int i,j;  for( i=0;i<x;i++)  for( j =0;j<12000;j++);}