键盘控制流水灯程序
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#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
uchar k,flag1,flag2,flag3;
sbit diocs=P2^5;
sbit key1=P3^4;
sbit key2=P3^5;
sbit key3=P3^6;
{ P1=table3[k];
delay(400);
keyscan();
}
}
}
}
}
}
if(key2==0)
{delay(10);
if(key2==0)
{ flag3=0;
flag1=0;
flag2=1;
}
}
if(key3==0)
{delay(10);
if(key3==0)
{ flag2=0;
flag1=0;
flag3=1;
}
}
}
void main()
{ while(1)
{keyscan();
0xdb,0xbd,0x7e,0xff,
0x00};
void delay(uint x)
{uint i;
while(x--)
for(i=110;i>0;i--);
}
void keyscan()
{if(key1==0)
{delay(10);
if(key1==0)
{ flag2=0;
flag3=0;
flag1=1;
uchar code table1[]={
0xfe,0xfd,0xfb,0xf7,
0xef,0xdf,0xbf,0x7f};
uchar code table2[]={
0x7f,0xbf,0xdf,0xef,
0xf7,0xfd,0xfb,0xfe};
uchar code table3[]={
0x7e,0xbd,0xdb,0xe7,
if(flag1==1)
{ for(k=0;k<8;k++)
{ P1=table1[k];
delay(400);
keyscan();
}
}ຫໍສະໝຸດ Baidu
if(flag2==1)
{ for(k=0;k<8;k++)
{ P1=table2[k];
delay(400);
keyscan();
}
}
if(flag3==1)
{ for(k=0;k<8;k++)
#define uchar unsigned char
#define uint unsigned int
uchar k,flag1,flag2,flag3;
sbit diocs=P2^5;
sbit key1=P3^4;
sbit key2=P3^5;
sbit key3=P3^6;
{ P1=table3[k];
delay(400);
keyscan();
}
}
}
}
}
}
if(key2==0)
{delay(10);
if(key2==0)
{ flag3=0;
flag1=0;
flag2=1;
}
}
if(key3==0)
{delay(10);
if(key3==0)
{ flag2=0;
flag1=0;
flag3=1;
}
}
}
void main()
{ while(1)
{keyscan();
0xdb,0xbd,0x7e,0xff,
0x00};
void delay(uint x)
{uint i;
while(x--)
for(i=110;i>0;i--);
}
void keyscan()
{if(key1==0)
{delay(10);
if(key1==0)
{ flag2=0;
flag3=0;
flag1=1;
uchar code table1[]={
0xfe,0xfd,0xfb,0xf7,
0xef,0xdf,0xbf,0x7f};
uchar code table2[]={
0x7f,0xbf,0xdf,0xef,
0xf7,0xfd,0xfb,0xfe};
uchar code table3[]={
0x7e,0xbd,0xdb,0xe7,
if(flag1==1)
{ for(k=0;k<8;k++)
{ P1=table1[k];
delay(400);
keyscan();
}
}ຫໍສະໝຸດ Baidu
if(flag2==1)
{ for(k=0;k<8;k++)
{ P1=table2[k];
delay(400);
keyscan();
}
}
if(flag3==1)
{ for(k=0;k<8;k++)