单片机基础1-9999计数器

电梯直达

楼主

ID:1103892 发表于 2023-12-12 15:05 | 只看该作者 |只看大图回帖奖励

#include<reg51.h>
unsigned char code table1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f,0x67};
unsigned char code table2[]={0xf7,0xfb,0xfd,0xfe};
unsigned char i,num;
unsigned int count;
void delay(int);
main()
{
while(1)
{
{if(count==9999)count=0;}
count++;
for(num=0;num<200;num++)
{P0=0x00;
P2=table2[0];
P0=table1[((count%1000)%100)%10];
delay(1);
P0=0x00;
P2=table2[1];
P0=table1[((count%1000)%100)/10];
delay(1);
P0=0x00;
P2=table2[2];
P0=table1[(count%1000)/100];
delay(1);
P0=0x00;
P2=table2[3];
P0=table1[count/1000];
delay(1);
}
}
}
void delay(int x)
{
int i,j;
for(i=0;i<x;i++)
for(j=1;j<=150;j++);
}