LED流水灯 LED数码管计数

#include

char led_a[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07};

char led_b[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

void delay(int n)

{

int m,x;

for(m=0;m

for(x=0;x

;

}

void main(void)

{

int j,i,k=0;

P3=led_b[k];

while(1)

{

j=0x01;

for(i=0;i<8;i++)

{

P1=~j;

j<<=1;

P0=led_a[i];

delay(100);

}

k++;

P3=led_b[k];

if(k==9)

k=-1;

}

}