LED万年历制作AT89C51仿真

ID:150045 · 发表于 2016-11-25 17:27

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LED万年历的proteus仿真电路及C语言程序设计.zip (141.79 KB, 下载次数: 49)

单片机源程序：

//Title:calendar
#include <REGX51.H>
#define uchar unsigned char
#define uint unsigned int
sbit DATA=P1^2; //数据(PA0)
sbit SCK=P1^0; //移位时钟(PA1)
sbit RCK=P1^1; //锁存时钟(PA2)
sbit P20=P2^0;
sbit P21=P2^1;
sbit P33=P3^3;
sbit DS1302_CLK = P1^7; //实时时钟时钟线引脚
sbit DS1302_IO = P1^6; //实时时钟数据线引脚
sbit DS1302_RST = P1^5;//实时时钟复位线引脚
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;
char hide_sec,hide_min,hide_hour,hide_day,hide_week,hide_month,hide_year; //秒,分,时到日,月,年位闪的计数
sbit Set = P3^0; //模式切换键
sbit Up = P3^1; //加法按钮
sbit Down = P3^2; //减法按钮
sbit out = P3^4; //立刻跳出调整模式按钮
char done,count,temp,flag,up_flag,down_flag;
uchar DS1302[8]={4,5,6,7,8,6,9}; //秒，分，时，日，月，星期，年
uint f;
uchar t[14];
uchar k;
uchar code Seg[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00};
void display(uchar L1,uchar L2,uchar L3,uchar L4,uchar L5,uchar L6,uchar L7,uchar L8,
uchar L9,uchar L10,uchar L11,uchar L12,uchar L13,uchar L14);
/***********DS1302时钟部分子程序******************/
typedef struct __SYSTEMTIME__
{
unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Week;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[14];
}SYSTEMTIME; //定义的时间类型
SYSTEMTIME CurrentTime;
#define DS1302_SECOND 0x81 //时钟芯片的寄存器位置,存放时间
#define DS1302_MINUTE 0x83
#define DS1302_HOUR 0x85
#define DS1302_WEEK 0x8A
#define DS1302_DAY 0x87
#define DS1302_MONTH 0x89
#define DS1302_YEAR 0x8D
void DS1302InputByte(unsigned char d) //实时时钟写入一字节(内部函数)
{
unsigned char i;
ACC = d;
for(i=8; i>0; i--)
{
DS1302_IO = ACC0; //相当于汇编中的 RRC
DS1302_CLK = 1;
DS1302_CLK = 0;
ACC = ACC >> 1;
}
}
unsigned char DS1302OutputByte(void) //实时时钟读取一字节(内部函数)
{
unsigned char i;
for(i=8; i>0; i--)
{
ACC = ACC >>1; //相当于汇编中的 RRC
ACC7 = DS1302_IO;
DS1302_CLK = 1;
DS1302_CLK = 0;//在下降沿数据从移位寄存器输出
}
return(ACC);
}
void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要写的数据
{
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;//只有在clk为低时，才能将rst置高
DS1302InputByte(ucAddr); // 地址，命令
DS1302InputByte(ucDa); // 写1Byte数据
DS1302_CLK = 1;//上升沿将数据写入DS1302内部移位寄存器
DS1302_RST = 0;
}
unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据
{
unsigned char ucData;
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;//启动数据传送
DS1302InputByte(ucAddr|0x01); // 地址，命令，读操作
ucData = DS1302OutputByte(); // 读1Byte数据,应在上升沿前读取
DS1302_CLK = 1;
DS1302_RST = 0;
return(ucData);
}
void DS1302_GetTime(SYSTEMTIME *Time) //获取时钟芯片的时钟数据到自定义的结构型数组
{
unsigned char ReadValue;
ReadValue = Read1302(DS1302_SECOND);
Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);//16进制转为10进制
ReadValue = Read1302(DS1302_MINUTE);
Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_HOUR);
Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_DAY);
Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_WEEK);
Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_MONTH);
Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_YEAR);
Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
}
void DateToStr(SYSTEMTIME *Time) //将时间年,月,日,星期数据转换成液晶显示字符串,放到数组里DateString[]
{ if(hide_year<5) //这里的if,else语句都是判断位闪烁,<2显示数据,>2就不显示,输出字符串为 2007/07/22
{
Time->DateString[0] = 2;
Time->DateString[1] = 0;
Time->DateString[2] = Time->Year/10;
Time->DateString[3] = Time->Year%10;
}
else
{
Time->DateString[2] =10 ;
Time->DateString[3] =10 ;
}
if(hide_month<5)
{
Time->DateString[4] = Time->Month/10;
Time->DateString[5] = Time->Month%10;
}
else
{
Time->DateString[4] =10;
Time->DateString[5] =10;
}
if(hide_day<5)
{
Time->DateString[6] = Time->Day/10;
Time->DateString[7] = Time->Day%10;
}
else
{
Time->DateString[6] =10;
Time->DateString[7] =10;
}
if(hide_hour<5)
{
Time->DateString[8] = Time->Hour/10;
Time->DateString[9] = Time->Hour%10;
}
else
{
Time->DateString[8] =10;
Time->DateString[9] =10;
}
if(hide_min<5)
{
Time->DateString[10] = Time->Minute/10;
Time->DateString[11] = Time->Minute%10;
}
else
{
Time->DateString[10] =10;
Time->DateString[11] =10;
}
if(hide_sec<5)
{
Time->DateString[12] = Time->Second/10 ;
Time->DateString[13] = Time->Second%10 ;
}
else
{
Time->DateString[12] =10;
Time->DateString[13] =10;
}
}
void show_time() //显示程序
{ uchar i;
uchar j;
DS1302_GetTime(&CurrentTime); //获取时钟芯片的时间数据
DateToStr(&CurrentTime);
for(j=0;j<14;j++)
{t[j]=Seg[CurrentTime.DateString[13-j]];}
RCK=0;//锁存置低
for(j=0;j<14;j++)
{
for(i=0;i<8;i++)
{
SCK=0; //移位脉冲置低
DATA=t[j]&0x80;
t[j]=t[j]<<1;
SCK=1;//上升沿时数据寄存器的数据移位
}
}
RCK=1; //上升沿时移位寄存器的数据进入数据存储寄存器
}
/*延时子程序*/
void mdelay(uint delay)
{ uint i;
for(;delay>0;delay--)
{for(i=0;i<62;i++) //1ms延时.
{;}
}
}
void outkey() //跳出调整模式,返回默认显示
{ uchar Second;
if(out==0)
{ mdelay(8);
count=0;
hide_sec=0,hide_min=0,hide_hour=0,hide_day=0,hide_week=0,hide_month=0,hide_year=0;
Second=Read1302(DS1302_SECOND);
Write1302(0x80,Second&0x7f);
done=0;
while(out==0);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Upkey()//升序按键
{
Up=1;
if(Up==0)
{
mdelay(8);
switch(count)
{/*case 1:
temp=Read1302(DS1302_SECOND); //读取秒数
temp=temp+1; //秒数加1
up_flag=1; //数据调整后更新标志
if((temp&0x7f)>0x59) //超过59秒,清零
temp=0;
break;*/
case 2:
temp=Read1302(DS1302_MINUTE); //读取分数
temp=temp+1; //分数加1
up_flag=1;
if((temp&0x0F)>9)temp=temp+6;
if(temp>=0x60) temp=0;
break;
case 3:
temp=Read1302(DS1302_HOUR); //读取小时数
temp=temp+1; //小时数加1
if((temp&0x0F)>9)temp=temp+6;
if(temp>=0x24) temp=0;
up_flag=1;
break;
case 4:
temp=Read1302(DS1302_DAY); //读取日数
temp=temp+1; //日数加1
up_flag=1;
if((temp&0x0F)>9)temp=temp+6;
if(temp>=0x32) temp=1;
break;
case 5:
temp=Read1302(DS1302_MONTH);// 读取月数
temp=temp+1; //月数加1
up_flag=1;
if((temp&0x0F)>9)temp=temp+6;
if(temp>=0x13) temp=1;
break;
case 6:
temp=Read1302(DS1302_YEAR); //读取年数
temp=temp+1; //年数加1
up_flag=1;
if((temp&0x0F)>9)temp=temp+6;
if(temp>=0xA0) temp=0;
break;
default:break;
}
while(Up==0);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
void Downkey()//降序按键
{
Down=1;
if(Down==0)
{
mdelay(8);
switch(count)
{/*case 1:
temp=Read1302(DS1302_SECOND); //读取秒数
temp=temp-1; //秒数减1
down_flag=1; //数据调整后更新标志
if(temp==0x7f) //小于0秒,返回59秒
temp=0x59;
break;*/
case 2:
temp=Read1302(DS1302_MINUTE); //读取分数
temp=temp-1; //分数减1
down_flag=1;
if((temp&0x0F)>9)temp=temp-6;
if(temp==0) temp=0x59;
break;
case 3:
temp=Read1302(DS1302_HOUR); //读取小时数
temp=temp-1; //小时数减1
down_flag=1;
if((temp&0x0F)>9)temp=temp-6;
if(temp==0) temp=0x59;
break;
case 4:
temp=Read1302(DS1302_DAY); //读取日数
temp=temp-1; //日数减1
down_flag=1;
if((temp&0x0F)>9)temp=temp-6;
if(temp==0) temp=0x31;
break;
case 5:
temp=Read1302(DS1302_MONTH); //读取月数
temp=temp-1; //月数减1
down_flag=1;
if((temp&0x0F)>9)temp=temp-6;
if(temp==0) temp=0x12;
break;
case 6:
temp=Read1302(DS1302_YEAR); //读取年数
temp=temp-1; //年数减1
down_flag=1;
if((temp&0x0F)>9)temp=temp-6;
if(temp==0) temp=0x50;
break;
default:break;
}
while(Down==0);
}
}
void Setkey()//模式选择按键
{
Set=1;
if(Set==0)//有按键按下
{
mdelay(8);
count=count+1; //Setkey按一次,count就加1
done=1; //进入调整模式
while(Set==0);
}
}
void keydone()//按键功能执行
{ uchar Second;
if(flag==0) //关闭时钟,停止计时
{
temp=Read1302(0x81);
Write1302(0x80,temp|0x80);//ch=1，时钟振荡停止
flag=1;
}
Setkey(); //扫描模式切换按键
switch(count)
{case 1:do //count=1,调整秒
{
outkey(); //扫描跳出按钮
Upkey(); //扫描加按钮
Downkey(); //扫描减按钮
if(up_flag==1||down_flag==1) //数据更新，重新写入新的数据
{
Write1302(0x80,temp|0x80); //写入新的秒数
up_flag=0;
down_flag=0;
}
hide_sec++; //位闪计数
if(hide_sec>9)
hide_sec=0;
show_time(); //液晶显示数据
}while(count==2);break;
case 2:do //count=2,调整分
{
hide_sec=0;
outkey();
Upkey();
Downkey();
if(temp>0x59)
temp=0;
if(up_flag==1||down_flag==1)
{
Write1302(0x82,temp); //写入新的分数
up_flag=0;
down_flag=0;
}
hide_min++;
if(hide_min>9)
hide_min=0;
show_time();
}while(count==3);break;
case 3:do //count=3,调整小时
{
hide_min=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x84,temp); //写入新的小时数
up_flag=0;
down_flag=0;
}
hide_hour++;
if(hide_hour>9)
hide_hour=0;
show_time();
}while(count==4);break;
case 4:do //count=5,调整日
{
hide_hour=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x86,temp); //写入新的日数
up_flag=0;
down_flag=0;
}
hide_day++;
if(hide_day>9)
hide_day=0;
show_time();
}while(count==5);break;
case 5:do //count=6,调整月
{
hide_day=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x88,temp); //写入新的月数
up_flag=0;
down_flag=0;
}
hide_month++;
if(hide_month>9)
hide_month=0;
show_time();
}while(count==6);break;
case 6:do //count=7,调整年
{
hide_month=0;
outkey();
Upkey();
Downkey();
if(up_flag==1||down_flag==1)
{
Write1302(0x8c,temp); //写入新的年数
up_flag=0;
down_flag=0;
}
hide_year++;
if(hide_year>9)
hide_year=0;
show_time();
}while(count==7);break;
case 7: count=0;hide_year=0; //count7, 跳出调整模式,返回默认显示状态
Second=Read1302(DS1302_SECOND);
Write1302(0x80,Second&0x7f);//ch=0时，时钟启动
done=0;
break; //count=7,开启中断,标志位置0并退出
default:break;
}
}
main()
{
uchar i;
flag=1; //时钟停止标志
up_flag=0;
down_flag=0;
done=0; //进入默认显示
for(i=0;i<=6;i++)
Write1302(0x80+2*i,DS1302[i]);
while(1)
{
P33=0;
while(done==1)
keydone(); //进入调整模式
while(done==0)
{
show_time();
flag=0;
Setkey(); //扫描各功能键
}
}
}