程序如下
#include <reg51.h>
#include <stdio.h>
//#include "DS1302.h"
#define uchar unsigned char
#define uint unsigned int
unsigned char time[7]; //Ëù¶ÁÈ¡µÄʱ¼ä
char adjust_flag=0;
sbit k1=P1^0; //¼ÓÊ®
sbit k2=P1^1; //¼Ó·Ö
sbit k3=P1^2; //×ßÃë
sbit CLK = P1^5; //DS1302ʱÖÓÐźÅ
sbit IO = P1^6; //DS1302Êý¾ÝÐźÅ
sbit CE = P1^7; //DS1302ƬѡÐźÅ
uchar code duan_code[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x40};
uchar display_code[]={0xff,0xff,0x40,0xff,0xff,0x40,0xff,0xff};
uchar bit_code[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
//ÑÓ³Ùʱ¼äms¼¶
void delayms(unsigned int x)
{
unsigned char i;
while(x--) for(i=0;i++;i<120);
}
void write_byte(unsigned char x)
{
unsigned char i;
CLK=0;
for(i=0;i<8;i++)
{
IO=x&0x01;
CLK=1;
CLK=0;
x>>=1;
}
}
void write_data(unsigned char addr,unsigned char dat)
{
CLK=0;
CE=1;
write_byte(addr);
write_byte(dat);
CLK=0;
CE=0;
}
unsigned char read_byte(void)
{
unsigned char i,b,t;
for(i=0;i<8;i++)
{
b>>=1;
t=IO;
b|=t<<7;
CLK=1;
CLK=0;
}
b=b/16*10+b%16;
return (b);
}
unsigned char read_data(unsigned char addr)
{
unsigned char dat;
CE=0;
CLK=0;
CE=1;
write_byte(addr);
dat=read_byte();
CLK=1;
CE=0;
return dat;
}
void set_1302()
{
write_data(0x8e,0x00);
write_data(0x80,(time[0]/10<<4)|(time[0]%10));
write_data(0x82,(time[1]/10<<4)|(time[1]%10));
write_data(0x84,(time[2]/10<<4)|(time[2]%10));
write_data(0x8e,0x80);
}
void gettime()
{
time[0]=read_data(0x81);
time[1]=read_data(0x83);
time[2]=read_data(0x85);
}
void int0() interrupt 0
{
TR0=0;
if(k1==0)
{
delayms(5);
if(k1==0)
{ adjust_flag=1;
time[2]=(time[2]+1)%24;
while(!k1); }
}
else
if(k2==0)
{
delayms(5);
if(k2==0)
{ adjust_flag=1;
time[1]=(time[1]+1)%60;
if(time[1]==0)time[2]++;
while(!k2); }
}
else
if(k3==0)
{
delayms(5);
if(k3==0)
{
set_1302();
adjust_flag=0;
// gettime();
while(!k3);
}
}
TR0=1;
}
void main()
{
uchar i;
IE=0X81;
while(1)
{
if(adjust_flag==0)
gettime();
display_code[0]=duan_code[time[2]/10];
display_code[1]=duan_code[time[2]%10];
display_code[3]=duan_code[time[1]/10];
display_code[4]=duan_code[time[1]%10];
display_code[6]=duan_code[time[0]/10];
display_code[7]=duan_code[time[0]%10];
for(i=0;i<8;i++)
{ P2=bit_code[i]; P0=display_code[i]; delayms(5); }
}
}
乱码是中文 忽略就好啦

有没有大神 啊 啊啊 快来帮帮我 运行之后 如下图所示

电路图是这样的 有没有 大神啊啊 快来帮帮我

有没有人啊 a
大神都去哪了啊