7219的程式[转载]

cpubbs

#include<reg52.h>
#include<stdio.h>
#define uchar unsigned char
sbit DIN=P1^0;
sbit CLK=P1^2;
sbit LOAD=P1^1;
void send(uchar add,uchar dat)
{
uchar ADS,i,j;
LOAD=0;
i=0;
while(i<16)
{
if(i<8){ADS=add;
}
else{ADS=dat;}
for(j=8;j>=1;j--)
{
DIN=ADS&0x80;
ADS=ADS<<1;
CLK=1;
CLK=0;
}
i=i+8;
}
LOAD=1;
}
void main(void)
{
send(0x0c,0x01);
send(0x0b,0x07);
send(0x0a,0xf5);
send(0x09,0x0ff);
while(1)
{
send(0x01,0x81);
send(0x02,0x82);
send(0x03,0x83);
send(0x04,0x84);
send(0x05,0x85);
send(0x06,0x86);
send(0x07,0x87);
send(0x08,0x88);
}
}