求一份数码管时钟的代码。。。。刚开始学习单片机，要交作品，望各位大哥大姐帮帮忙

单片机

武力戡乱 · 2016-1-1 22:50:27

https://bbs.elecfans.com/forum.p ... 6orderby%3Ddateline

sikelone · 2016-1-1 23:03:28

楼主学习什么类型单片机？51还是430、stm32？stm32技术交流/二手开发板供求信息群 227043677

武力戡乱 · 2016-1-3 23:37:35

sikelone 发表于 2016-1-1 23:03
楼主学习什么类型单片机？51还是430、stm32？stm32技术交流/二手开发板供求信息群 227043677

jingerlove · 2016-1-6 16:24:59

#include   //包含头文件
#include
typedef unsigned char BYTE;  //数据类型的宏定义
typedef unsigned int WORD;
BYTE count,num;
***it rs = P2^0; //定义液晶的使能信号rs R/W E分别与单片机的P2.0-P2.2相连
***it rw = P2^1;
***it ep = P2^2;
***it keyen=P3^0;
***it keyjia=P3^1;
***it keyjian=P3^2;
BYTE year=13,mon=12,day=30,hour=23,min=59,sec=58,week=7;
void delay(int z)
{ int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
// 延时子程序
}

void lcd_wcmd(BYTE cmd)
{ // 写入指令数据到LCD

rs = 0;
rw = 0;
ep = 0;
delay(2);
P0 = cmd;
delay(2);
ep = 1;
delay(5);
ep = 0;
delay(2);
}
void lcd_wdat(BYTE dat)
{ //写入字符显示数据到LCD

rs = 1;
rw = 0;
ep = 0;
P0 = dat;
delay(2);
ep = 1;
delay(5);
ep = 0;
delay(2);

}
void lcd_***c(BYTE *ch)
{
while(*ch!=0)
lcd_wdat(*ch++);
}

void lcd_ymd(BYTE add,BYTE cmd)
{ BYTE shi,ge;
shi=cmd/10;
ge=cmd%10;
lcd_wcmd(0x80+add);
lcd_wdat(0x30+shi);
   lcd_wdat(0x30+ge);
}
void lcd_sfm(BYTE add,BYTE cmd)
{ BYTE shi,ge;
shi=cmd/10;
ge=cmd%10;
lcd_wcmd(0xc0+add);
lcd_wdat(0x30+shi);
   lcd_wdat(0x30+ge);
}
void lcd_week( BYTE cmd)

{
lcd_wcmd(0x80+13);
if(cmd==1) lcd_***c("MON");
if(cmd==2) lcd_***c("TUE");
if(cmd==3) lcd_***c("WON");
if(cmd==4) lcd_***c("TRI");
if(cmd==5) lcd_***c("FRI");
if(cmd==6) lcd_***c("STA");
if(cmd==7) lcd_***c("SUN");

}
void lcd_init()
{ //LCD初始化设定
lcd_wcmd(0x38);
delay(1);
lcd_wcmd(0x0c);
delay(1);
lcd_wcmd(0x06);
delay(1);
lcd_wcmd(0x01); //清除LCD的显示内容
delay(1);
lcd_wcmd(0x80);
lcd_***c("  20  -  - ");
lcd_wcmd(0xc4);
lcd_***c("  :  :  ")    ;

lcd_ymd(4,year);
lcd_ymd(7,mon);
lcd_ymd(10,day);
lcd_sfm(4,hour);
lcd_sfm(7,min);
lcd_sfm(10,sec);
lcd_week(week);
}
void keyscan()
{
if(keyen==0)
{
delay(200);
if(keyen==0)
TR0=0;
num++;
switch(num)
{
case 1:
lcd_wcmd(0x0f);
lcd_wcmd(0xc0+11);break;

case 2:
lcd_wcmd(0xc0+8);break;

case 3:
lcd_wcmd(0xc0+5);break;

case 4:
lcd_wcmd(0x80+15);break;

case 5:
lcd_wcmd(0x80+11);break;

case 6:
lcd_wcmd(0x80+8);break;

case 7:
lcd_wcmd(0x80+5);break;

case 8:
TR0=1;
lcd_wcmd(0x0c);
num=0;
  break;

}
  }
if(num!=0)
{
   if(keyjia==0)
   {
     delay(200);
   if(keyjia==0)
   switch(num)
          {
      case 1:
      sec++;
      if(sec==60)
      sec=0;
      lcd_sfm(10,sec);
      lcd_wcmd(0xc0+11);break;

case 2:
      min++;
      if(min==60)
      min=0;
      lcd_sfm(7,min);
      lcd_wcmd(0xc0+8);break;

case 3:
      hour++;
      if(hour==24)
      hour=0;
      lcd_sfm(4,hour);
      lcd_wcmd(0xc0+5);break;

case 4:
      week++;
      if(week==8)
      week=0;
      lcd_week(week);
      lcd_wcmd(0x80+13);break;

case 5:
      day++;
      if(day==31)
      day=0;
      lcd_ymd(10,day);
      lcd_wcmd(0x80+11);break;

case 6:
      mon++;
      if(mon==13)
      mon=0;
      lcd_ymd(7,mon);
      lcd_wcmd(0x80+8);break;

case 7:
      year++;
      if(year==100)
      year=0;
   lcd_ymd(4,year);
      lcd_wcmd(0x80+5);break;

      }
   }
   }
}
/*
if(num==1) //按键按一下
{
lcd_wcmd(0x0f);//光标显示
lcd_wcmd(0xc0+11);//在秒位闪
  }
if(num==2)    //按键按俩下
{
lcd_wcmd(0xc0+8);//在分位闪
  }
if(num==3)    //按键按三下
{
lcd_wcmd(0xc0+5);//在时位闪
  }
  if(num==4)    //按键按四下
{
lcd_wcmd(0x0c);//在个位闪

TR0=1;
num=0;
  }*/



main()
{

lcd_init();
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;

   while(1)

{
keyscan();
if(num==0)
{
if(count==20)
   {
   count=0;
   sec++;
   if(sec==60)
   {
   sec=0;
   min++;
   if(min==60)
      {min=0;
   hour++;
   if(hour==24)
   {
   hour=0;
   day++;
   week++;
   if(week==8)
   week=1;
   if(day==31)
   {day=0;
   mon++;
   if(mon==13)
   {
   mon=1;
   year++;
   if(year==100)
   year=0;
      }
   lcd_ymd(4,year);
   }
   lcd_ymd(7,mon);
   }
   lcd_week(week);
   lcd_ymd(10,day);
}

lcd_sfm(4,hour);
   }
      lcd_sfm(7,min);
       }
lcd_sfm(10,sec);
}
}
}
void time0 () interrupt 1
{
  TH0=(65536-50000)/256;
  TL0=(65536-50000)%256;
  count++;
}

jingerlove · 2016-1-6 16:29:00

这是仿真图希望能帮到你

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求一份数码管时钟的代码。。。。刚开始学习单片机，要交作品，望各位大哥大姐帮帮忙

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