DS1302程序(带校准)，LCD1602显示

kinidrily · 发表于 2019-1-17 13:47

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DS1302程序(带校准)，LCD1602显示

DS1302(带校准)，LCD1602显示

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar a,miao,shi,fen,ri,yue,nian,week,flag,temp,key1n;
#define yh 0x80  //第一行的初始位置
#define er 0x80+0x40 //第二行初始位置
sbit dula=P2^6;
sbit wela=P2^7;
sbit wr=P1^1;
sbit rs=P1^0;
sbit en=P2^5;
sbit SCLK=P0^1;  // 6  P1.1
sbit IO=P0^2; // 7  P1.0
sbit RST=P0^3; //时钟 5  P1.2
sbit ACC0=ACC^0;
sbit ACC7=ACC^7;

sbit key1=P3^5;
sbit key2=P3^6;
sbit key3=P3^7;
uchar code tab1[]={"2009-  - THU"};
uchar code tab2[]={"  :  :  "};
void delay(uint xms)//延时函数
{
      uint x,y;
      for(x=xms;x>0;x--)
      for(y=110;y>0;y--);
}
/******************液晶写入************************/
write_1602com(uchar com)//液晶写入指令函数
{
      rs=0;//置为写入命令
      P0=com;//送入数据
      delay(1);
      en=1;//拉高使能端
      delay(1);
      en=0;//完成高脉冲
}
write_1602dat(uchar dat)
{
      rs=1;//置为写入数据
      P0=dat;//送入数据
      delay(1);
      en=1;
      delay(1);
      en=0;
}
/*********************over***********************/
/********************ds1302****************************/
void write_byte(uchar dat)
{
      ACC=dat;
      RST=1;
      for(a=8;a>0;a--)
      {
            IO=ACC0;
            SCLK=0;
            SCLK=1;
            ACC=ACC>>1;
      }
}
uchar read_byte()
{
      RST=1;
      for(a=8;a>0;a--)
      {
            ACC7=IO;
            SCLK=1;
            SCLK=0;
            ACC=ACC>>1;
      }
      return (ACC);
}
void write_1302(uchar add,uchar dat)
{
      RST=0;
      SCLK=0;
      RST=1;
      write_byte(add);
      write_byte(dat);
      SCLK=1;
      RST=0;
}
uchar read_1302(uchar add)
{
      uchar temp;
      RST=0;
      SCLK=0;
      RST=1;
      write_byte(add);
      temp=read_byte();
      SCLK=1;
      RST=0;
      return(temp);
}
uchar BCD_Decimal(uchar bcd)
{
uchar Decimal;
Decimal=bcd>>4;
return(Decimal=Decimal*10+(bcd&=0x0F));
}
void ds1302_init()
{
RST=0;
SCLK=0;
write_1302(0x80,miao|0x00);//允许写
}


void write_sfm(uchar add,uchar dat)//写时分秒
{
      uchar gw,sw;
      gw=dat%10;
      sw=dat/10;
      write_1602com(er+add);
      write_1602dat(0x30+sw);
      write_1602dat(0x30+gw);

}
void write_nyr(uchar add,uchar dat)
{
      uchar gw,sw;
      gw=dat%10;
      sw=dat/10;
      write_1602com(yh+add);
      write_1602dat(0x30+sw);
      write_1602dat(0x30+gw);

}
void write_week(uchar week)//写星期函数
{
      write_1602com(yh+0x0d);
      switch(week)
      {
            case 1:write_1602dat('M');
                        write_1602dat('O');
                        write_1602dat('N');
                        break;

            case 2:write_1602dat('T');
                        write_1602dat('U');
                        write_1602dat('E');
                        break;

            case 3:write_1602dat('W');
                        write_1602dat('E');
                        write_1602dat('D');
                        break;

            case 4:write_1602dat('T');
                        write_1602dat('H');
                        write_1602dat('U');
                        break;

            case 5:write_1602dat('F');
                        write_1602dat('R');
                        write_1602dat('I');
                        break;

            case 6:write_1602dat('S');
                        write_1602dat('T');
                        write_1602dat('A');
                        break;

            case 7:write_1602dat('S');
                        write_1602dat('U');
                        write_1602dat('N');
                        break;

}

}
lcd_init()//液晶初始化函数
{    wr=0;
      write_1602com(0x38);//设置液晶工作模式
      write_1602com(0x0c);//开显示不显示光标
      write_1602com(0x06);//整屏不移动，指针加一
      write_1602com(0x01);
      write_1602com(yh+2);//字符写入的位置
      for(a=0;a<14;a++)
      {
      write_1602dat(tab1[a]);
      //delay(3);
      }
      write_1602com(er+4);
      for(a=0;a<8;a++)
      {
      write_1602dat(tab2[a]);
      //delay(3);
      }
}
void keyscan()
{
      if(key1==0)//key1为功能键
      {
      delay(5);
      if(key1==0)
      {
      while(!key1);
      key1n++;
      if(key1n==9)
            key1n=1;
      switch(key1n)
      {

      case 1: TR0=0;//关闭定时器
                     //TR1=0;
                     write_1602com(er+0x0b);//写入光标位置
                        write_1602com(0x0f);//设置光标为闪烁
                        temp=(miao)/10*16+(miao)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x80,0x80|temp);//miao
                        write_1302(0x8e,0x80);
                        break;
      case 2:  write_1602com(er+8);//fen

                  //write_1602com(0x0f);
                     break;
      case 3: write_1602com(er+5);//shi
                  //write_1602com(0x0f);
                     break;
      case 4: write_1602com(yh+0x0f);//week
                  //write_1602com(0x0f);
                     break;
      case 5: write_1602com(yh+0x0b);//ri
                  //write_1602com(0x0f);
                     break;
      case 6: write_1602com(yh+0x08);//yue
                  //write_1602com(0x0f);
                     break;
      case 7: write_1602com(yh+0x05);//nian
                  //write_1602com(0x0f);
                     break;
      case 8:
                     write_1602com(0x0c);//设置光标不闪烁
                     TR0=1;//打开定时器
                     temp=(miao)/10*16+(miao)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x80,0x00|temp);//miao
                        write_1302(0x8e,0x80);
         break;



      }


      }
      }
      if(key1n!=0)//当key1按下以下。再按以下键才有效
      {

      if(key2==0)  //上调键
      {
      delay(5);
      if(key2==0)
      {
      while(!key2);
      switch(key1n)
      {
      case 1:miao++;
                     if(miao==60)
                              miao=0;
                     write_sfm(0x0a,miao);//写入新的秒数
                     temp=(miao)/10*16+(miao)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x80,0x80|temp);
                        write_1302(0x8e,0x80);
                     write_1602com(er+0x0b);//因为设置液晶的模式是写入数据后，指针自动加一，在这里是写回原来的位置
                     //write_1602com(0x0b);
                     break;
      case 2:fen++;
                     if(fen==60)
                              fen=0;
                     write_sfm(0x07,fen);
                     temp=(fen)/10*16+(fen)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x82,temp);
                        write_1302(0x8e,0x80);
                     write_1602com(er+8);
                     break;
      case 3:shi++;
                     if(shi==24)
                              shi=0;
                     write_sfm(4,shi);
                     temp=(shi)/10*16+(shi)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x84,temp);
                        write_1302(0x8e,0x80);
                     write_1602com(er+5);
                     break;
      case 4:week++;
                     if(week==8)
                              week=0;
                              write_week(week);
                     temp=(week)/10*16+(week)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x8a,temp);
                        write_1302(0x8e,0x80);

                     write_1602com(yh+0x0f);
                     break;
      case 5:ri++;
                     if(ri==31)
                              ri=0;
                     write_nyr(10,ri);
                     temp=(ri)/10*16+(ri)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x86,temp);
                        write_1302(0x8e,0x80);
                     write_1602com(yh+11);
                     break;
      case 6:yue++;
                     if(yue==13)
                              yue=0;
                     write_nyr(7,yue);
                     temp=(yue)/10*16+(yue)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x88,temp);
                        write_1302(0x8e,0x80);
                     write_1602com(yh+8);
                     break;
      case 7:nian++;
               if(nian==100)
                     nian=0;
                     write_nyr(4,nian);
                     temp=(nian)/10*16+(nian)%10;
                        write_1302(0x8e,0x00);
                        write_1302(0x8c,temp);
                        write_1302(0x8e,0x80);
                     write_1602com(yh+5);
                     break;

      }
      }
      }
      if(key3==0)
      {
      delay(5);
      if(key3==0)
      {
      while(!key3);
      switch(key1n)
      {
            case 1:miao--;
                              if(miao==-1)
                                    miao=59;
                     write_sfm(0x0a,miao);//写入新的秒数
                     write_1602com(er+0x0b);//因为设置液晶的模式是写入数据后，指针自动加一，在这里是写回原来的位置
                     //write_1602com(0x0b);
                     break;
            case 2:fen--;
                              if(fen==-1)
                                    fen=59;
                     write_sfm(7,fen);
                     temp=(fen)/10*16+(fen)%10;

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