clock.c

来自「由单片机搞的软时钟」· C语言 代码 · 共 50 行

#include<reg52.h>
#include<stdio.h>
#define uchar unsigned char


sbit DIN=P1^0;
sbit LOAD=P1^1;
sbit CLK=P1^2;
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&80;
			ADS=ADS<<1;
            CLK=1;
            CLK=0;
         }
         i=i+8;
      }
      LOAD=1;
  }

  void main(void)
  {
  	   
       send(0xf9,0x00);
       send(0xfa,0x0a);
       send(0xfb,0x05);
       send(0xfc,0x01);
	   send(0xff,0x00);
       while(1)
       {
	   		send(0x01,0x81);
			send(0x02,0x82);
			send(0x03,0x83);
			send(0x04,0x84);
			send(0x05,0x85);
			send(0x06,0x86);
		}
	 }