基于時鐘日歷芯片的電子鐘程序Proteus仿真圖

ID:1015184 · 發(fā)表于 2022-5-3 16:45

單片機源程序如下:
#include<reg51.h>
#include "LCD1602.h"
#include "DS1302.h"

#define uchar unsigned char
#define uint unsigned int

sbit speaker=P2^4;
bit key_flag1=0,key_flag2=0;

SYSTEMTIME adjusted;//此處為結構體定義

uchar sec_add=0,min_add=0,hou_add=0,day_add=0,mon_add=0,yea_add=0;
uchar data_alarm[7]={0};

/*********************************鍵盤控制****************************************************/
int key_scan()  //掃描是否有鍵按下
{
  int i=0;
  uint temp;

  P1=0xf0;
  temp=P1;
  if(temp!=0xf0)
  {
i=1;
  }
  else
  {
i=0;
  }

  return i;
}

uchar key_value()                //確定按鍵的值
{
  uint m=0,n=0,temp;
  uchar value;
  uchar v[4][3]={'2','1','0','5','4','3','8','7','6','b','a','9'}       ;

  P1=0xfe;temp=P1; if(temp!=0xfe)m=0;//采用分行、分列掃描的形式獲取按鍵信息
  P1=0xfd;temp=P1; if(temp!=0xfd)m=1;
  P1=0xfb;temp=P1; if(temp!=0xfb)m=2;
  P1=0xf7;temp=P1; if(temp!=0xf7)m=3;
  P1=0xef;temp=P1; if(temp!=0xef)n=0;
  P1=0xdf;temp=P1; if(temp!=0xdf)n=1;
  P1=0xbf;temp=P1; if(temp!=0xbf)n=2;

  value=v[m][n];

  return value;
}

/************************************修改時間操作****************************************/
void adjust(void)
{
  if(key_scan()&&key_flag1)
  switch(key_value())
  {
case '0':sec_add++;break;
case '1':min_add++;break;
case '2':hou_add++;break;
case '3':day_add++;break;
case '4':mon_add++;break;
case '5':yea_add++;break;
default: break;
  }
adjusted.Second+=sec_add;
adjusted.Minute+=min_add;
adjusted.Hour+=hou_add;
adjusted.Day+=day_add;
adjusted.Month+=mon_add;
      adjusted.Year+=yea_add;
if(adjusted.Second>59)
      {
      adjusted.Second=adjusted.Second%60;
      adjusted.Minute++;
      }
      if(adjusted.Minute>59)
      {
      adjusted.Minute=adjusted.Minute%60;
      adjusted.Hour++;
      }
      if(adjusted.Hour>23)
      {
      adjusted.Hour=adjusted.Hour%24;
      adjusted.Day++;
      }
      if(adjusted.Day>31)
      adjusted.Day=adjusted.Day%31;
      if(adjusted.Month>12)
      adjusted.Month=adjusted.Month%12;
      if(adjusted.Year>100)
      adjusted.Year=adjusted.Year%100;
}

/************************************************中斷處理函數(shù)*********************************/
void changing(void) interrupt 0 using 0                //需要修改時間和日期，或者停止修改
{
  if(key_flag1)
key_flag1=0;
  else
key_flag1=1;
}/*********************************主函數(shù)*************************************************/
main()
{
  uint i;
  uchar p1[]="D:",p2[]="T:";
  SYSTEMTIME T;

  EA=1;
  EX0=1;
  IT0=1;
  EA=1;
  EX1=1;
  IT1=1;
  init1602();
  Initial_DS1302() ;

  while(1)
  {
write_com(0x80);
write_string(p1,2);
write_com(0xc0);
write_string(p2,2);
DS1302_GetTime(&T) ;
adjusted.Second=T.Second;
adjusted.Minute=T.Minute;
      adjusted.Hour=T.Hour;
      adjusted.Week=T.Week;
      adjusted.Day=T.Day;
      adjusted.Month=T.Month;
      adjusted.Year=T.Year;
      for(i=0;i<9;i++)
      {
      adjusted.DateString[ i]=T.DateString[ i];
      adjusted.TimeString[ i]=T.TimeString[ i];
}
      adjust();
      DateToStr(&adjusted);
      TimeToStr(&adjusted);
      write_com(0x82);
write_string(adjusted.DateString,8);
write_com(0xc2);
write_string(adjusted.TimeString,8);
      delay(10);
  }
}

Keil代碼與Proteus8.8仿真下載:

仿真程序.7z (49.57 KB, 下載次數(shù): 34)

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