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我想用獨(dú)立按鍵去控制數(shù)碼管的顯示的時(shí)鐘，但出了些問題，請(qǐng)大神看看
我使用的單片機(jī)板子與郭天祥的板子原理圖一樣
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit key1=P3^4;
sbit key2=P3^5;
sbit key3=P3^6;
sbit key4=P3^7;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num1,hao,miao,fen,shi,A,K,C,D,E,F;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delay(uint z)
{
uint i,j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void display(uchar miao,uchar fen,uchar shi)
{
A=shi/10;
K=shi%10;
C=fen/10;
D=fen%10;
E=miao/10;
F=miao%10;
dula=1;
P0=table[A];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delay(1);
dula=1;
P0=table[K];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delay(1);
dula=1;
P0=table[C];
dula=0;
P0=0xff;
wela=1;
P0=0xfb;
wela=0;
delay(1);
dula=1;
P0=table[D];
dula=0;
P0=0xff;
wela=1;
P0=0xf7;
wela=0;
delay(1);
dula=1;
P0=table[E];
dula=0;
P0=0xff;
wela=1;
P0=0xef;
wela=0;
delay(1);
dula=1;
P0=table[F];
dula=0;
P0=0xff;
wela=1;
P0=0xdf;
wela=0;
delay(1);
}
void keyscan()
{
if(key1==0)
{
delay(10);
if(key1==0)
{
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
{
shi=0;
}
}
}
while(!key1);
}
}
if(key2==0)
{
delay(10);
if(key2==0);
{
miao--;
if(miao==0)
{
miao=59;
fen--;
if(fen==0)
{
fen=59;
shi--;
if(shi==0)
shi=23;
}
}
while(!key2);
}
}
if(key3==0)
{
delay(10);
if(key3==0)
{
shi=0;fen=0;miao=0;
while(!key3);
}
}
if(key4==0)
{
delay(10);
if(key4==0)
{
while(!key4);
TR1=~TR1;
}
}
}
void main()
{
TMOD=0x01;
TH1=(65536-45782)/256;
TL1=(65536-45782)%256;
EA=1;
ET1=1;
while(1)
{
display(miao,fen,shi);
keyscan();
}
}
void T1_time() interrupt 3
{
TH1=(65536-45872)/256;
TL1=(65536-45872)%256;
hao++;
if(hao==20)
{
hao=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
{
shi=0;
}
}
}
}
}
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