时钟芯片DS1302代码

write_date(0x10);
write_com(0x80+0x40+add-1);
write_date(0x10);
delay(100);
display_1602N(add,2,time%10);
display_1602N(add-1,2,time/10);
delay(100);
}
void shanshuo1(uchar add,time) //1602第一行闪烁函数
shanshuo1(15,timetmp[5]);
keynum=jiance();
zj(5);
writebyte(0x8a,timetmp[5]/10*16+timetmp[5]%10);
}
while(ss==6) //调年
{
key=0;
timetmp[6]=readbyte(0x8d)/16*10+readbyte(0x8d)%16; //同上
shanshuo2(10,timetmp[1]);
keynum=jiance();
zj(1);
writebyte(0x82,timetmp[1]/10*16+timetmp[1]%10);
}
while(ss==2) //调时
{
key=0;
timetmp[2]=readbyte(0x85)/16*10+readbyte(0x85)%16; //同上
shanshuo1(9,timetmp[3]);
keynum=jiance();
zj(3);
writebyte(0x86,timetmp[3]/10*16+timetmp[3]%10);
}
while(ss==4) //调月
{
key=0;
timetmp[4]=readbyte(0x89)/16*10+readbyte(0x89)%16;
shanshuo1(3,timetmp[6]);
keynum=jiance();
zj(6);
writebyte(0x8c,timetmp[6]/10*16+timetmp[6]%10);
}
}
}
void main()
{
init_1602(); //初始化1602
writetime(); //首次上电，往1302里面写时间
display_1602S(1,2,"TIME");
display_1602S(5,2,":");
display_1602N(6,2,hour/10);
display_1602N(7,2,hour%10);
display_1602S(8,2,":");
display_1602N(9,2,min/10);
shanshuo1(6,timetmp[4]);
keynum=jiance();
zj(4);
writebyte(0x88,timetmp[4]/10*16+timetmp[4]%10);
}
while(ss==5) //调周
{
key=0;
timetmp[5]=readbyte(0x8b)/16*10+readbyte(0x8b)%16; //同上
for(i=0;i<7;i++)
{
writebyte(j,time[i]);
j+=2;
}
}
uchar readbyte(add) //读一个单位时间（分/秒/时/年/月/日/周）
{
uchar date;
rst=0;sclk=0;rst=1;
write(add);
date=read();
rst=0;sclk=1;
hour=readdata[2];
day=readdata[3];
month=readdata[4];
week=readdata[5];
year=readdata[6];
}
void shanshuo2(uchar add,time) //1602第二行闪烁函数
{
write_com(0x80+0x40+add);
{
ss=0;
jpaction(); //相应调时操作
writebyte(0x80,timetmp[0]/10*16+timetmp[0]%10); //重写秒，把秒写回到调之前的位置
ss=0;
key=0;
}
}
}
delay(100); //延时
}
void zj(uchar num) //增减函数
{
switch(keynum)
{
case 1:ss++;break; //如果是1，则进入下一位的调整
case 2:{ //如果是2，则当前闪烁的位加1
timetmp[num]++;
if(timetmp[num]>MAX[num]) //如何超过了闪烁位的最大值，返回最小值
}
}
void display() //显示函数
{
display_1602N(0,1,2);
display_1602N(1,1,0);
display_1602N(2,1,year/10);
display_1602N(3,1,year%10);
display_1602S(4,1,"-");
display_1602N(5,1,month/10);
while(1)
{
readtime(); //从1302中读时间
process(); //把取出的时间（BCD码）转化为十进制
timeout(); //把时间从数组中提取出来
display(); //在1302上显示时间
keynum=jiance(); //检测按键是不是要调整时间
if(keynum==1)
write(0x00);
rst=0;sclk=0;rst=1;
write(add);
write(date);
rst=0;sclk=0;rst=1;
write(0x8e);
write(0x80);
rst=0;sclk=1;
}
void writetime() //初始化时间
{
uchar i,j=0x80;
return date;
}
void readtime() //读取时间
{
uchar i,j=0x81;
for(i=0;i<7;i++)
{
readdata[i]=readbyte(j);
j+=2;
}
}
void process() //数制转换
{ uchar i;
for(i=0;i<7;i++)
{
readdata[i]=(readdata[i]>>4)*10+(readdata[i]&0x0f);
}
}
void jpaction() //调时操作
{
while(ss<7)
{
while(ss==0) //调秒
{
key=0;
timetmp[0]=readbyte(0x81)/16*10+readbyte(0x81)%16; //从1302中取出时间
shanshuo2(13,timetmp[0]); //显示时间并闪烁
代码：
//1为功能键，2为增加时间键，3为减少时间键
#include<reg52.h>
#include<yj1602.h>
#include<jp.h>
#define uchar unsigned char
sbit sclk=P1^5;
sbit io=P1^6;
sbit rst=P1^7;
uchar time[]={0x00,0x42,0x08,0x04,0x09,0x06,0x10};
keynum=jiance(); //按键检测
zj(0); //对时间进行操作
writebyte(0x80,timetmp[0]/10*16+timetmp[0]%10); //把调整过的时间写到1302中
}
while(ss==1) //调分
{
key=0;
timetmp[1]=readbyte(0x83)/16*10+readbyte(0x83)%16; //同上
shuju=shuju>>1;
sclk=0;
if(io)
shuju=shuju|0x80;
sclk=1;
}
return shuju;
}
void writebyte(uchar add,date) //写时间的一个单位（分/秒/时/年/月/日/周）
{
rst=0;sclk=0;rst=1;
write(0x8e);
uchar timetmp[7];
uchar MAX[]={59,59,23,31,12,7,99};
uchar MINX[]={0,0,0,1,1,1,1};
uint readdata[7];
uchar sec,min,hour,day,month,week,year;
uchar keynum,ss;
display_1602N(6,1,month%10);
display_1602S(7,1,"-");
display_1602N(8,1,day/10);