//E:DPJ_C\DS1302\12051_DS1302\DS1302.C
//2013 08 23
#include<reg2051.h>
#include<intrins.h>
#include"ds1302.h"
#define uchar unsigned char
#define uint unsigned int
sbit SH=P1^0;
sbit ST=P1^1;
sbit DS=P1^2;
sbit key_h=P3^4;
sbit key_m=P3^5;
sbit key_start=P3^7;
sbit D1=P3^0;
sbit D2=P3^1;
sbit D3=P3^2;
sbit D4=P3^3;
sbit LED=P1^6; //接冒号引脚
uchar hour,min,sec,sec_buffer,flag;
uchar min_l,min_h,hour_l,hour_h;
uchar code tab[]={
0x3F,/*0*/
0x06,/*1*/
0x5B,/*2*/
0x4F,/*3*/
0x66,/*4*/
0x6D,/*5*/
0x7D,/*6*/
0x07,/*7*/
0x7F,/*8*/
0x6F,/*9*/
};
void DS1302_init();
void keyscan();
void disp();
void delay(uint ms);
void delay(uint ms)
{
uchar i;
while(ms--)
for(i=0;i<123;i++);
}
void WriteByte(uchar dat)
{
uchar k;
for(k=0;k<8;k++)
{
dat=dat<<1;
DS=CY;
SH=0;
SH=1;
}
}
void main()
{
DS1302_init();
while(1)
{
keyscan();
if(flag==1)
{
flag=2;
DS1302Write(0x80,0x00);//开始振荡
}
if(flag==2)
{
sec=DS1302Read(0x81);
min=DS1302Read(0x83);
hour=DS1302Read(0x85);
}
}
}
void disp()
{
min_h=min/16;
min_l=min%16;
hour_h=hour/16;
hour_l=hour%16;
D1=0;
WriteByte(tab[hour_h]);
ST=0;
ST=1;
delay(2);
D1=1;
D2=0;
WriteByte(tab[hour_l]);
ST=0;
ST=1;
delay(2);
D2=1;
D3=0;
WriteByte(tab[min_h]);
ST=0;
ST=1;
delay(2);
D3=1;
D4=0;
WriteByte(tab[min_l]);
ST=0;
ST=1;
delay(2);
D4=1;
if(sec!=sec_buffer)
{
LED=!LED;
sec_buffer=sec;
}
}
void keyscan()
{
disp();
while(!key_start) //开始键
{
disp( );
if(key_start)
flag=1;
}
while(!key_h) //年/时键
{
disp( );
if(key_h)
{
hour_l++;
if(hour_l==10)
{
hour_l=0;
hour_h++;
}
if(hour_h==2&&hour_l==4)
{
hour_h=0;
hour_l=0;
}
hour=hour_h*16+hour_l;
DS1302Write(0x84,hour);
}
}
while(!key_m) //月/分键
{
disp();
if(key_m)
{
min_l++;
if(min_l==10)
{
min_l=0;
min_h++;
if(min_h==6)
min_h=0;
}
min=min_l+min_h*16;
DS1302Write(0x82,min);
}
}
}
void DS1302_init()
{
DS1302Write(0x8e,0x00);//允许写
DS1302Write(0x80,0x80);//停止振荡
DS1302Write(0x84,0x12);
DS1302Write(0x82,0x00);
min=0;
hour=0x12;
//E:DPJ_C\DS1302\12051_DS1302\DS1302.C
//2013 08 23
#include<reg2051.h>
#include<intrins.h>
#include"ds1302.h"
#define uchar unsigned char
#define uint unsigned int
sbit SH=P1^0;
sbit ST=P1^1;
sbit DS=P1^2;
sbit key_h=P3^4;
sbit key_m=P3^5;
sbit key_start=P3^7;
sbit D1=P3^0;
sbit D2=P3^1;
sbit D3=P3^2;
sbit D4=P3^3;
sbit LED=P1^6; //接冒号引脚
uchar hour,min,sec,sec_buffer,flag;
uchar min_l,min_h,hour_l,hour_h;
uchar code tab[]={
0x3F,/*0*/
0x06,/*1*/
0x5B,/*2*/
0x4F,/*3*/
0x66,/*4*/
0x6D,/*5*/
0x7D,/*6*/
0x07,/*7*/
0x7F,/*8*/
0x6F,/*9*/
};
void DS1302_init();
void keyscan();
void disp();
void delay(uint ms);
void delay(uint ms)
{
uchar i;
while(ms--)
for(i=0;i<123;i++);
}
void WriteByte(uchar dat)
{
uchar k;
for(k=0;k<8;k++)
{
dat=dat<<1;
DS=CY;
SH=0;
SH=1;
}
}
void main()
{
DS1302_init();
while(1)
{
keyscan();
if(flag==1)
{
flag=2;
DS1302Write(0x80,0x00);//开始振荡
}
if(flag==2)
{
sec=DS1302Read(0x81);
min=DS1302Read(0x83);
hour=DS1302Read(0x85);
}
}
}
void disp()
{
min_h=min/16;
min_l=min%16;
hour_h=hour/16;
hour_l=hour%16;
D1=0;
WriteByte(tab[hour_h]);
ST=0;
ST=1;
delay(2);
D1=1;
D2=0;
WriteByte(tab[hour_l]);
ST=0;
ST=1;
delay(2);
D2=1;
D3=0;
WriteByte(tab[min_h]);
ST=0;
ST=1;
delay(2);
D3=1;
D4=0;
WriteByte(tab[min_l]);
ST=0;
ST=1;
delay(2);
D4=1;
if(sec!=sec_buffer)
{
LED=!LED;
sec_buffer=sec;
}
}
void keyscan()
{
disp();
while(!key_start) //开始键
{
disp( );
if(key_start)
flag=1;
}
while(!key_h) //年/时键
{
disp( );
if(key_h)
{
hour_l++;
if(hour_l==10)
{
hour_l=0;
hour_h++;
}
if(hour_h==2&&hour_l==4)
{
hour_h=0;
hour_l=0;
}
hour=hour_h*16+hour_l;
DS1302Write(0x84,hour);
}
}
while(!key_m) //月/分键
{
disp();
if(key_m)
{
min_l++;
if(min_l==10)
{
min_l=0;
min_h++;
if(min_h==6)
min_h=0;
}
min=min_l+min_h*16;
DS1302Write(0x82,min);
}
}
}
void DS1302_init()
{
DS1302Write(0x8e,0x00);//允许写
DS1302Write(0x80,0x80);//停止振荡
DS1302Write(0x84,0x12);
DS1302Write(0x82,0x00);
min=0;
hour=0x12;
本人刚做的电子钟，程序是坛友提供的。本人不会写程序，我会附上程序请坛友们帮忙看一下怎样修改、程序
