你可以参考一下这个,试着自己去改变一下
#include <reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar j,k,i,a,A1,A2,second;
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
sbit beep=P2^3;
sbit kaiguan=P3^4;
void delay() //′ó¸Å0.5ms×óóòμÄÑóê±
{
uchar a;
for(a=450;a>0;a--)
{
_nop_();
}
}
void display(uchar sh_c,uchar g_c)
{
//dula=0;
P0=table[sh_c];
dula=1;
dula=0;
//wela=0;
P0=0xfe;
wela=1;
wela=0;
delay();
P0=table[g_c];
dula=1;
dula=0;
P0=0xfd;
wela=1;
wela=0;
delay();
}
void main()
{
while(1)
{ unsigned int m;
for(m=0;m<2000;m++)
{
delay();
}
second++;
if(second==60)
second=0;
A1=second/10;
A2=second%10;
for(a=50;a>0;a--)
{ display(A1,A2);};
}
}
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