#include "reg52.h"
#include "intrins.h"
typedef unsigned char u8;
typedef unsigned int u16;
sbit SRCLK=P3^6;
sbit RCL=P3^5;
sbit SER=P3^4;
u16 code duan[]={0xff,0x48,0x44,0x22,0x44,0x48,0x30,0x00};
u16 code wei[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
void delay(u8 i)
{
while(i--);
}
void Hc(u8 led)
{
u8 a;
SRCLK=0;
RCL=0;
for(a=0;a {
SER=led>>7;
led<<=1;
SRCLK=1;
nop();
nop();
SRCLK=0;
}
RCL=1;
nop();
nop();
RCL=0;
}
void main()
{
u16 j;
while(1)
{
for(j=0;j<8;j++)
{
P0=wei[j];
Hc(duan[j]);
delay(100);
Hc(0x00);
}
}
}