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#include<reg51.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define TIME 1
sbit SRCLK=P3^6;
sbit RCLK=P3^5;
sbit SER=P3^4;
uchar ledduan[]={0x00,0x00,0x3e,0x41,0x41,0x41,0x3e,0x00};
uchar ledwei[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
void delay(uint z)
{
uint i,j;
for(i=z;i>0;i--)
for(j=110;j>0;j--);
}
void Hc595SendByte(uchar dat)
{
uchar a;
SRCLK=0;
RCLK=0;
for(a=0;a<8;a++)
{
SER=dat>>7;
dat<<=1;
SRCLK=1;
_nop_();
_nop_();
SRCLK=0;
}
RCLK=1;
_nop_();
_nop_();
RCLK=0;
}
void main()
{
uchar i;
while(1)
{
P0=0x7f;
for(i=0;i<8;i++)
{
P0=ledwei[i];
Hc595SendByte(ledduan[i]);
delay(TIME);
Hc595SendByte(0x00);
}
}
}
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