背面：

原理圖我就不畫了4個(gè)p口全部接上led燈即可，下面是控制程序：
#include
#include
#define uint unsigned int
#define uchar unsigned char
uchar code table0[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00};//P0-P7依次點(diǎn)亮
uchar code table1[]={0x01,0x03,0x07,0x0f,0x1f,0x3f,0x7f,0xff};//P0-P7依次熄滅
uchar code table2[]={0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x00};//P7-P0依次點(diǎn)亮
uchar code table3[]={0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff};//P7-P0依次熄滅
uchar temp,aa,bb,temp,temp1;
void delay(uint z);
void h();
void hh();
void hhh();
void hhhh();
void init();
void main()//主函數(shù)
{
init();
while(520)//大循環(huán)
{
h();
hh();
hhh();
hhhh();
}
}
void delay(uint z)//延時(shí)函數(shù)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void h()
{
for(aa=0;aa<3;aa++)
{
for(bb=0;bb<8;bb++)
{
P0=table0[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P1=table0[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P3=table0[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P2=table0[bb];
delay(50);
}
delay(500);
for(bb=0;bb<8;bb++)
{
P0=table1[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P1=table1[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P3=table1[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P2=table1[bb];
delay(50);
}
}
for(aa=0;aa<3;aa++)
{
for(bb=0;bb<8;bb++)
{
P2=table2[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P3=table2[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P1=table2[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P0=table2[bb];
delay(50);
}
delay(500);
for(bb=0;bb<8;bb++)
{
P2=table3[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P3=table3[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P1=table3[bb];
delay(50);
}
for(bb=0;bb<8;bb++)
{
P0=table3[bb];
delay(50);
}
}
}
void hh()
{
for(bb=0;bb<3;bb++)
{
for(aa=0;aa<8;aa++)
{
P0=table0[aa];
P2=table2[aa];
delay(100);
}
for(aa=0;aa<8;aa++)
{
P3=table2[aa];
P1=table0[aa];
delay(100);
}
for(aa=0;aa<8;aa++)
{
P2=table3[aa];
P0=table1[aa];
delay(100);
}
for(aa=0;aa<8;aa++)
{
P1=table1[aa];
P3=table3[aa];
delay(100);
}
}
}
void init()
{
P1=P2=P3=P0=0x00;
delay(1000);
P1=P2=P3=P0=0xff;
delay(200);
temp=0xfe;
temp1=0x7f;
}
void hhh()
{
for(bb=0;bb<10;bb++)
{
for(aa=0;aa<8;aa++)
{
P0=temp;
temp=_crol_(temp,1);
delay(40);
}
P0=0xff;
for(aa=0;aa<8;aa++)
{
P1=temp;
temp=_crol_(temp,1);
delay(40);
}
P1=0xff;
for(aa=0;aa<8;aa++)
{
P3=temp;
temp=_crol_(temp,1);
delay(40);
}
P3=0xff;
for(aa=0;aa<8;aa++)
{
P2=temp;
temp=_crol_(temp,1);
delay(40);
}
P2=0xff;
}
}
void hhhh()
{
for(aa=0;aa<30;aa++)
{
P0=P1=0x00;
delay(100);
P1=P0=0xff;
P2=P3=0x00;
delay(100);
P2=P3=0xff;
}
}