1302时钟数码管显示时间带掉电保存闹钟功能单片机程序+Proteus仿真

ID:564898 · 发表于 2019-6-21 00:57

很久没玩单片机了，最近收拾东西又找到很多以前在网上买的东西，感觉浪费了可惜。想做个东西玩玩好多东西都忘了，搜资料的过程中发现这个论坛感觉坛友都好厉害。又有学单片机的冲动了，以前做的东西都拆掉了。我就分享个我以前做的东西。电路图仿真通过。

仿真原理图如下（proteus仿真工程文件可到本帖附件中下载）

单片机源程序如下:

#include<reg52.h>
#include"ds1302.h"
#include"e2prom.h"
#define uchar unsigned char
#define uint unsigned int
sbit Jdq=P2^2;
bit S_flag;
uchar k1num,k4num,Al_num,Sh_num,num,shi,fen,miao;
char A_shi,A_fen,A_miao,S_shi,S_fen,S_miao;
uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,
0x82,0xf8,0x80,0x90,0xbf,0xff,0x88,0xc7,0x89};
void delayms(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void Time0_init()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
}
void Display(uchar shi1,uchar shi2,uchar fen1,uchar fen2,uchar miao1,uchar miao2)
{
P1=0x01;
P0=table[shi1];
delayms(2);
P1=0x02;
P0=table[shi2];
delayms(2);
P0=table[11];//消隐
P1=0x04;
P0=table[10];//间隔
delayms(2);
P0=table[11];//消隐
P1=0x08;
P0=table[fen1];
delayms(2);
P1=0x10;
P0=table[fen2];
delayms(2);
P0=table[11];//消隐
P1=0x20;
P0=table[10];//间隔
delayms(2);
P0=table[11];//消隐
P1=0x40;
P0=table[miao1];
delayms(2);
P1=0x80;
P0=table[miao2];
delayms(2);
P0=table[11];//消隐
}
void Shan_Display()
{
switch(k4num)
{
case 1: //开闹钟时间显示
switch(Al_num)
{
case 1: //小时闪烁
if(S_flag)
Display(11,11,A_fen/10,A_fen%10,12,13);
else
Display(A_shi/10,A_shi%10,A_fen/10,A_fen%10,12,13);
break;
case 2: //分钟闪烁
if(S_flag)
Display(A_shi/10,A_shi%10,11,11,12,13);
else
Display(A_shi/10,A_shi%10,A_fen/10,A_fen%10,12,13);
break;
default :
Display(A_shi/10,A_shi%10,A_fen/10,A_fen%10,12,13);
}
break;
case 2: //关闹钟时间显示
switch(Sh_num)
{
case 1: //小时闪烁
if(S_flag)
Display(11,11,S_fen/10,S_fen%10,5,14);
else
Display(S_shi/10,S_shi%10,S_fen/10,S_fen%10,5,14);
break;
case 2: //分钟闪烁
if(S_flag)
Display(S_shi/10,S_shi%10,11,11,5,14);
else
Display(S_shi/10,S_shi%10,S_fen/10,S_fen%10,5,14);
break;
default : Display(S_shi/10,S_shi%10,S_fen/10,S_fen%10,5,14);
}
break;
default: //当前时间显示
switch(k1num)
{
case 1: //小时闪烁
if(S_flag)
Display(11,11,now[1]/16,now[1]%16,now[0]/16,now[0]%16);
else
Display(now[2]/16,now[2]%16,now[1]/16,now[1]%16,now[0]/16,now[0]%16);
break;
case 2: //分钟闪烁
if(S_flag)
Display(now[2]/16,now[2]%16,11,11,now[0]/16,now[0]%16);
else
Display(now[2]/16,now[2]%16,now[1]/16,now[1]%16,now[0]/16,now[0]%16);
break;
case 3: //秒闪烁
if(S_flag)
Display(now[2]/16,now[2]%16,now[1]/16,now[1]%16,11,11);
else
Display(now[2]/16,now[2]%16,now[1]/16,now[1]%16,now[0]/16,now[0]%16);
break;
default : Display(now[2]/16,now[2]%16,now[1]/16,now[1]%16,now[0]/16,now[0]%16);
}
}
}
void Mode_keyscan()
{
if(k4==0)
{
delayms(10);
if(k4==0)
{
k4num++;
if(k4num>=3)k4num=0;
switch(k4num)
{
case 1:k1num=0;
break;
case 2:Al_num=0;
break;
default:Sh_num=0;
}
while(!k4);
}
}
}
void Move_keyscan()
{
if(k1==0)
{
delayms(10);
if(k1==0)
{
if(k4num==0)
{
k1num++;
if(k1num>=4)k1num=0;
}
else if(k4num==1)
{
Al_num++;
if(Al_num>=3)Al_num=0;
}
else if(k4num==2)
{
Sh_num++;
if(Sh_num>=3)Sh_num=0;
}
while(!k1);
}
}
}
void Add_keyscan()
{
if(k2==0)
{
delayms(10);
if(k2==0)
{
switch(k4num)
{
case 1:
switch(Al_num)
{
case 1:
A_shi++;
if(A_shi>=24)
A_shi=0;
while(!k2);
SectorErase(0x2000);
byte_write(0x2000,A_shi);
break;
case 2:
A_fen++;
if(A_fen>=60)
A_fen=0;
while(!k2);
SectorErase(0x2200);
byte_write(0x2200,A_fen);
break;
}
break;
case 2:
switch(Sh_num)
{
case 1:
S_shi++;
if(S_shi>=24)
S_shi=0;
while(!k2);
SectorErase(0x2400);
byte_write(0x2400,S_shi);
break;
case 2:
S_fen++;
if(S_fen>=60)
S_fen=0;
while(!k2);
SectorErase(0x2600);
byte_write(0x2600,S_fen);
break;
}
break;
default:
switch(k1num)
{
uchar dat ;
case 1:
dat=DS1302_ReadData(0x85);
shi=dat+1;
if((shi&0x0f)>9)shi=shi+6;
if(shi>=0x24)shi=0;
while(!k2);
DS1302_WriteData(0x8e, 0x00);//允许写操作
DS1302_WriteData(0x84,shi);
DS1302_WriteData(0x8e, 0x80);//写保护
break;
case 2:
dat=DS1302_ReadData(0x83);
fen=dat+1;
if((fen&0x0f)>9)fen=fen+6;
if(fen>=0x60)fen=0;
while(!k2);
DS1302_WriteData(0x8e, 0x00);//允许写操作
DS1302_WriteData(0x82,fen);
DS1302_WriteData(0x8e, 0x80);//写保护
break;
case 3:
dat=DS1302_ReadData(0x81);
miao=dat+1;
if((miao&0x0f)>9)miao=miao+6;
if(miao>=0x60)miao=0;
while(!k2);
DS1302_WriteData(0x8e, 0x00);//允许写操作
DS1302_WriteData(0x80,miao);
DS1302_WriteData(0x8e, 0x80);//写保护
break;
}
break;
}
}
}
}
void Reduce_keyscan()
{
if(k3==0)
{
delayms(10);
if(k3==0)
{
switch(k4num)
{
case 1:
switch(Al_num)
{
case 1:
A_shi--;
if(A_shi==-1)
A_shi=23;
while(!k3);
SectorErase(0x2000);
byte_write(0x2000,A_shi);
break;
case 2:
A_fen--;
if(A_fen==-1)
A_fen=59;
while(!k3);
SectorErase(0x2200);
byte_write(0x2200,A_fen);
break;
}
break;
case 2:
switch(Sh_num)
{
case 1:
S_shi--;
if(S_shi==-1)
S_shi=23;
while(!k3);
SectorErase(0x2400);
byte_write(0x2400,S_shi);
break;
case 2:
S_fen--;
if(S_fen==-1)
S_fen=59;
while(!k3);
SectorErase(0x2600);
byte_write(0x2600,S_fen);
break;
}
break;
default:
switch(k1num)
{
uchar dat ;
case 1:
dat=DS1302_ReadData(0x85);
if(dat==0)
shi=0x23;
else
shi=dat-1;
if((shi&0x0f)>9)shi=shi-6;
while(!k3);
DS1302_WriteData(0x8e, 0x00);//允许写操作
DS1302_WriteData(0x84,shi);
DS1302_WriteData(0x8e, 0x80);//写保护
break;
case 2:
dat=DS1302_ReadData(0x83);
if(dat==0)
fen=0x59;
else
fen=dat-1;
if((fen&0x0f)>9)fen=fen-6;
while(!k3);
DS1302_WriteData(0x8e, 0x00);//允许写操作
DS1302_WriteData(0x82,fen);
DS1302_WriteData(0x8e, 0x80);//写保护
break;
case 3:
dat=DS1302_ReadData(0x81);
if(dat==0)
miao=0x59;
else
miao=dat-1;
if((miao&0x0f)>9)miao=miao-6;
while(!k3);
DS1302_WriteData(0x8e, 0x00);//允许写操作
DS1302_WriteData(0x80,miao);
DS1302_WriteData(0x8e, 0x80);//写保护
break;
}
break;
}
}
}
}
void AL_SHRead()
{
A_shi=byte_read(0x2000);
A_fen=byte_read(0x2200);
S_shi=byte_read(0x2400);
S_fen=byte_read(0x2600);
}
void AL_SHCheck()
{
uchar j;
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