你位选和编码没错的话,这样看行不:
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit wela=P2^7;
sbit dula=P2^6;
uchar a,b,c;
uchar code dulama[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,
0x07,0x7f,0x6f};//共阴数码管段选编码
uchar code welama[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf}//数码管的位选
void main()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
while(1)
{
if(a==20)
{
if(b==10)
b=0;
if(c==6)
c=0;
a=0;
wela=1;
P0=welama[c];
wela=0;
dula=1;
P0=dulama[b];
dula=0;
b++;
c++;
}
}
}
void To_time() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
a++;
}
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