#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit duanxuan=P2^5;
sbit weixuan=P2^6;
uchar num;
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,
0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void delayms(uint);
void main()
{
weixuan=1;
P0=0x00;
weixuan=0;
while(1)
{
for(num=0;num<16;num++){
duanxuan=1;
P0=table[num];
duanxuan=0;
delayms(1000);
}
}
}
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
} |
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