能给做一个用单片机at89c51的简易电子时钟吗?要有程序,流程图proteus仿真图,元器件清单

收费的不用联系了,谢谢
2024-12-15 03:14:20
推荐回答(3个)
回答1:

我这里有一个是用DS1302的,经过测试的,希望对你有帮助

程序如下:

#include 

#include

#define uchar unsigned char

#define uint unsigned int

sbit rst=P3^5;

sbit sck=P3^4;

sbit io=P3^3;

  uchar i,j;

uchar shumaguan[]={0x03,0x9f,0x25,0x0d,0x99,0x49,0x41,

                    0x1f,0x01,0x09,0x11,0xc1,0x63,0x85,0x61,0x71,0xff,0xff}; //共阳极

uchar shuguan_duan[]={0x20,0x10,0x08,0x04,0x02,0x01};

uchar time_add[]={0x81,0x83,0x85}; //秒、分、时

uchar date[3];

uchar read1302(uchar add)

{

   uchar i,dat1,dat2;

   rst=1;

   sck=0;

  for(i=0;i<8;i++)

  {

   sck=0;

   io=add&0x01;

add>>=1;

sck=1;

  }

   io=1;

   for(i=0;i<8;i++)

  {

   if(io)

dat1|=0x80;

   sck=1;

dat1>>=1;

sck=0;  

  }

  rst=0;

  dat2=dat1/16;

  dat1=dat1%16;

  dat1=dat1+dat2*10;

  return dat1;

}

void xianshi(void)

{

  uchar i,j;

  for(i=0;i<3;i++)

  {

date[i]=read1302(time_add[i]);

  } 

  for(i=0;i<6;i++)

  {

   P1=0xff;

   switch (i)

   {

 case 0: j=date[0]%10;break;

    case 1: j=date[0]/10;break;

 case 2: j=date[1]%10;break;

    case 3: j=date[1]/10;break;

 case 4: j=date[2]%10;break;

    case 5: j=date[2]/10;break;   

}  

    P0=shuguan_duan[i];

P1=shumaguan[j];

  

  }       

}

void write1302(uchar add,dat)

{

   uchar i;

   rst=0;

   sck=0;

   rst=1;

  for(i=8;i>0;i--)

  {

   sck=0;

io=add&0x01;

add>>=1;

sck=1;  

  }

    for(i=8;i>0;i--)

  {

   sck=0;

io=dat&0x01;

dat>>=1;

sck=1;  

  }

  rst=0;

}

void main()

{    

   rst=0;

   io=1;

   sck=0;

  // write1302(0x80,0x55);

  // write1302(0x82,0x59);

  // write1302(0x84,0x12);

   while(1)

   {

 xianshi();

   }

}

回答2:

51单片机的简易电子时钟

回答3:

#include
unsigned char code tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,
0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,//加小数点部分的显示
0xff};
unsigned char buf[8]={0,12,12,12,12,12,12,12};
unsigned char ss[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
unsigned char n=0;
signed char hour,min,sec; //定义变量存放 时,分,秒

void delay(void)//延时20ms
{
unsigned char i,k;
for(i=1;i>0;i--)
for(k=100;k>0;k--);
}

void disp(void)//显示计时器内容
{
unsigned char i,num;
for(i=0;i<=7;i++)
{P2=ss[i];
num=buf[i];
P0=tab[num];
delay();
}
}

void disp_time(void) //显示时间(时分秒分别送相应buf)
{
buf[0]=sec%10;buf[1]=sec/10;
buf[2]=min%10+10;buf[3]=min/10;
buf[4]=hour%10+10;buf[5]=hour/10;
buf[6]=20;buf[7]=20;
disp();
}

void time_t0(void)interrupt 1//定时/计时器中断,定时1s,
{
TH0=0x3C;
TL0=0xB0;
n++;
while(n==20)
{
n=0;//必须的
sec++;
if(sec>59)
{sec=0;min++;
if(min>59)
{min=0;hour++;
if(hour>23)
{hour=0;} break;
}}
}}

void main(void)
{ hour=23,min=59,sec=59;

//中断设置
TMOD=0x01;//定时计数器初始化
TH0=0x3C;
TL0=0xB0;//初始值
IE=0x82;//开总中断/允许定时/计数器0 中断
TR0=1;
while(1){disp_time();}//重复调用相应函数

}

最好把你qq个给我。打包发给你

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