#include<reg51.h>
sbit CLK=P1^0;
sbit IN=P1^1;
a[]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F};
void delay(unsigned int i)
{
unsigned int j;
unsigned char k;
for(j=i;j>0;j--)
for(k=125;k>0;k--);
}
void send_byt(unsigned char temp)
{
int i;
for(i=0;i<16;i++)
{
if(temp&0x80)
{
IN=1;
CLK=0;
CLK=1;
}
else
{
IN=0;
CLK=0;
CLK=1;
}
temp=temp<<1; //temp左移一位
}
}
void main()
{
int i;
while(1)
{
for(i=0;i<8;i++)
{
send_byt(a[i]);
delay(4000);
}
}
} |
![S83ES2`3993{K`E0WPZ%E]D.png](http://c.51hei.com/d/forum/201706/02/101856xs6xdkf1xch66136.png "S83ES2`3993{K`E0WPZ%E]D.png")
