自作的1602数字时钟（带温度带单片机程序带电路图）

fanichicl · 发表于 2018-11-29 09:37

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自作的1602数字时钟（带温度带单片机程序带电路图）
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单片机源程序：

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#include <REG51.H>
#include <intrins.h>
//#include "LCD1602.h"
//#include "DS1302.h"
#define uint unsigned int
#define uchar unsigned char
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  wireless_1 = P3^0;
sbit  wireless_2 = P3^1;
sbit  wireless_3 = P3^2;
sbit  wireless_4 = P3^3;
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 = P2^0;    //模式切换键
sbit Up = P2^1;       //加法按钮
sbit Down = P2^2;    //减法按钮
sbit out = P2^3;    //立刻跳出调整模式按钮
sbit DQ = P1^0;       //温度传送数据IO口
char done,count,temp,flag,up_flag,down_flag;
uchar temp_value;    //温度值
uchar TempBuffer[5],week_value[2];

void show_time(); //液晶显示程序
/***********1602液晶显示部分子程序****************/

//Port Definitions**********************************************************
sbit LcdRs             = P2^5;
sbit LcdRw             = P2^6;
sbit LcdEn       = P2^7;
sfr  DBPort       = 0x80;             //P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口

//内部等待函数**************************************************************************
unsigned char LCD_Wait(void)
{
      LcdRs=0;
      LcdRw=1;       _nop_();
      LcdEn=1;       _nop_();

      LcdEn=0;
      return DBPort;
}
//向LCD写入命令或数据************************************************************
#define LCD_COMMAND                      0    // Command
#define LCD_DATA                      1    // Data
#define LCD_CLEAR_SCREEN       0x01    // 清屏
#define LCD_HOMING                0x02    // 光标返回原点
void LCD_Write(bit style, unsigned char input)
{
      LcdEn=0;
      LcdRs=style;
      LcdRw=0;             _nop_();
      DBPort=input;       _nop_();//注意顺序
      LcdEn=1;             _nop_();//注意顺序
      LcdEn=0;             _nop_();
      LCD_Wait();
}

//设置显示模式************************************************************
#define LCD_SHOW                      0x04 //显示开
#define LCD_HIDE                      0x00 //显示关

#define LCD_CURSOR                      0x02       //显示光标
#define LCD_NO_CURSOR             0x00 //无光标

#define LCD_FLASH                      0x01 //光标闪动
#define LCD_NO_FLASH             0x00 //光标不闪动

void LCD_SetDisplay(unsigned char DisplayMode)
{
      LCD_Write(LCD_COMMAND, 0x08|DisplayMode);
}

//设置输入模式************************************************************
#define LCD_AC_UP                      0x02
#define LCD_AC_DOWN                      0x00    // default

#define LCD_MOVE                      0x01    // 画面可平移
#define LCD_NO_MOVE                      0x00    //default

void LCD_SetInput(unsigned char InputMode)
{
      LCD_Write(LCD_COMMAND, 0x04|InputMode);
}

//初始化LCD************************************************************
void LCD_Initial()
{
      LcdEn=0;
      LCD_Write(LCD_COMMAND,0x38);          //8位数据端口,2行显示,5*7点阵
      LCD_Write(LCD_COMMAND,0x38);
      LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //开启显示, 无光标
      LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
      LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE);    //AC递增, 画面不动
}

//液晶字符输入的位置************************
void GotoXY(unsigned char x, unsigned char y)
{
      if(y==0)
            LCD_Write(LCD_COMMAND,0x80|x);
      if(y==1)
            LCD_Write(LCD_COMMAND,0x80|(x-0x40));
}

//将字符输出到液晶显示
void Print(unsigned char *str)
{
      while(*str!='\0')
      {
            LCD_Write(LCD_DATA,*str);
            str++;
      }
}

/***********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[11];
      unsigned char TimeString[9];
}SYSTEMTIME;       //定义的时间类型
SYSTEMTIME CurrentTime;

#define AM(X)       X
#define PM(X)       (X+12)                   // 转成24小时制
#define DS1302_SECOND       0x80       //时钟芯片的寄存器位置,存放时间
#define DS1302_MINUTE       0x82
#define DS1302_HOUR             0x84
#define DS1302_WEEK             0x8A
#define DS1302_DAY             0x86
#define DS1302_MONTH       0x88
#define DS1302_YEAR             0x8C

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;
}
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;
DS1302InputByte(ucAddr);             // 地址，命令
DS1302InputByte(ucDa);             // 写1Byte数据
DS1302_CLK = 1;
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;
DS1302InputByte(ucAddr|0x01);       // 地址，命令
ucData = DS1302OutputByte();       // 读1Byte数据
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);
      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<2)                //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 + '0';
      Time->DateString[3] = Time->Year%10 + '0';
      }
      else
         {
            Time->DateString[0] = ' ';
            Time->DateString[1] = ' ';
            Time->DateString[2] = ' ';
            Time->DateString[3] = ' ';
            }
      Time->DateString[4] = '/';
      if(hide_month<2)
      {
      Time->DateString[5] = Time->Month/10 + '0';
      Time->DateString[6] = Time->Month%10 + '0';
      }
      else
      {
         Time->DateString[5] = ' ';
         Time->DateString[6] = ' ';
      }
      Time->DateString[7] = '/';
      if(hide_day<2)
      {
      Time->DateString[8] = Time->Day/10 + '0';
      Time->DateString[9] = Time->Day%10 + '0';
      }
      else
      {
         Time->DateString[8] = ' ';
         Time->DateString[9] = ' ';
      }
      if(hide_week<2)
      {
      week_value[0] = Time->Week%10 + '0';  //星期的数据另外放到 week_value[]数组里,跟年,月,日的分开存放,因为等一下要在最后显示
      }
      else
      {
         week_value[0] = ' ';
      }
      week_value[1] = '\0';

      Time->DateString[10] = '\0'; //字符串末尾加 '\0' ,判断结束字符
}

void TimeToStr(SYSTEMTIME *Time)  //将时,分,秒数据转换成液晶显示字符放到数组 TimeString[];
{ if(hide_hour<2)
{
      Time->TimeString[0] = Time->Hour/10 + '0';
      Time->TimeString[1] = Time->Hour%10 + '0';
      }
      else
         {
            Time->TimeString[0] = ' ';
            Time->TimeString[1] = ' ';
            }
      Time->TimeString[2] = ':';
if(hide_min<2)
      {
      Time->TimeString[3] = Time->Minute/10 + '0';
      Time->TimeString[4] = Time->Minute%10 + '0';
      }
      else
         {
            Time->TimeString[3] = ' ';
            Time->TimeString[4] = ' ';
            }
      Time->TimeString[5] = ':';

…………限于本文篇幅余下代码请从论坛下载附件…………
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th2010-gc01 · 发表于 2018-11-29 10:02

不错！精度怎样？

th2010-gc01 · 发表于 2018-11-29 10:14

原理图用OrCAD17.2打不开啊，请问是哪个版本画的？

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