单片机课程设计电子时钟程序C

ID:273593 · 发表于 2018-1-9 09:34

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit key1=P1^0;
sbit key2=P1^1;
sbit keyup=P1^2;
sbit keydw=P1^3;

sbit beep=P2^3;

sbit lcdrs=P1^4;
sbit lcdrw=P1^5;
sbit lcden=P1^6;

uchar table2[]={"0123456789-"};

int
m1,m2,m3,m4,m5,m6,k,n,p,q,m8,w,a,ri,yue,nian;

void delayms(int j)
{
int i;
for(j;j>0;j--)
for(i=125;i>0;i--);
}

// LCD写地址

void writecom(uchar com)
{
lcden=0;
lcdrs=0;
lcdrw=0;
delayms(1);
lcden=1;
delayms(1);
P0=com;
delayms(1);
lcden=0;
}

//LCD写数据

void writedata(uchar dat)
{
lcden=0;
lcdrs=1;
lcdrw=0;
delayms(1);
lcden=1;
delayms(1);
P0=dat;
delayms(1);
lcden=0;
}

// LCD初始化

void LCD_Init()
{
delayms(15);
writecom(0x38);
delayms(5);
writecom(0x38);
delayms(5);
writecom(0x38);
writecom(0x38);
writecom(0x08);
writecom(0x01);
writecom(0x06);
writecom(0x0c);
}

void beepinit(void)
{
beep=0;
delayms(100);
beep=1;
}
void beep2()
{
beep=0;
delayms(500);
beep=1;
}

void display()
{
writecom(0x80+0x02);
writedata(table2[nian/1000]);
writedata(table2[nian%1000/100]);
writedata(table2[nian%100/10]);
writedata(table2[nian%10]);
writedata(table2[10]);
writedata(table2[yue/10]);
writedata(table2[yue%10]);
writedata(table2[10]);
writedata(table2[ri/10]);
writedata(table2[ri%10]);
writecom(0x80+0x40);
writedata(table2[m1/10]);
writedata(table2[m1%10]);
writedata(table2[10]);
writedata(table2[m2/10]);
writedata(table2[m2%10]);
writedata(table2[10]);
writedata(table2[m3/10]);
writedata(table2[m3%10]);
writecom(0x80+0x48);
writedata(table2[m4/10]);
writedata(table2[m4%10]);
writedata(table2[10]);
writedata(table2[m5/10]);
writedata(table2[m5%10]);
writedata(table2[10]);
writedata(table2[m6/10]);
writedata(table2[m6%10]);

if(k>=20)
{
  k=0;
  m3++;
  m8++;
}

if(m3>=60)
{
m3=m3-60;
m2++;
}

if(m2>=60)
{
m2=m2-60;
m1++;
}

if(m1>=24)
{
m1=m1-24;
ri++;
}

switch(yue)
{
  case 1:
  case 3:
  case 5:
  case 7:
  case 8:
  case 10:
  case 12:
if(ri>=32)
{
yue++;
ri=ri-31;
}
break;
  case 4:
  case 6:
  case 9:
  case 11:
if(ri>=31)
{
yue++;
ri=ri-30;
}
break;
  case 2:

  if((nian%100==0&nian%400==0)||(nian%100!=0&nian%4==0))
{
if(ri>=29)
{
yue++;
ri=ri-28;
}
}
else
if(ri>=30)
{
yue++;
ri=ri-29;
}
break;
  default:
yue=1;
break;
}

if(m6>=60)
{
m6=m6-60;
m5++;
}

if(m5>=60)
{
m5=m5-60;
m4++;
}

if(m4>=24)
{
m4=m4-24;
}
}

//上调时钟
void keyupinit()
{
if(p==1) //时间上调
{
  if(!keyup)
  {
delayms(1);
if(!keyup)
{
switch(n)
{
   case 1: m3=m3+1;
break;
   case 2: m3=m3+10;
break;
   case 3: m2=m2+1;
break;
   case 4: m2=m2+10;
break;
   case 5: m1=m1+1;
break;
   case 6: m1=m1+10;
break;
   case 7: ri=ri+1;
break;
   case 8: ri=ri+10;
break;
   case 9: yue=yue+1;
break;
   case 10: yue=yue+10;
break;
   case 11: nian=nian+1;
break;
   case 12: nian=nian+10;
break;
   case 13: nian=nian+100;
break;
   case 14: nian=nian+1000;
break;
}
beepinit();
while(!keyup);
}
  }
}

if(p==2) // 闹钟上调
{
if(!keyup)
{ delayms(1);
if(!keyup)
{
switch(n)
{
case 1: m6=m6+1;
break;
case 2: m6=m6+10;
break;
case 3: m5=m5+1;
break;
case 4: m5=m5+10;
break;
case 5: m4=m4+1;
break;
case 6: m4=m4+10;
break;
}
beepinit();
while(!keyup);
}
}
}
}

//下调时钟

void keydwinit()
{
if(p==1) // 时间下调
{
  if(!keydw)
  {
delayms(1);
if(!keydw)
{
switch(n)
{
   case 1: m3=m3-1;
   break;
   case 2: m3=m3-10;
   break;
   case 3: m2=m2-1;
   break;
   case 4: m2=m2-10;
   break;
   case 5: m1=m1-1;
   break;
   case 6: m1=m1-10;
   break;
   case 7: ri=ri-1;
   break;
   case 8: ri=ri-10;
   break;
   case 9: yue=yue-1;
   break;
   case 10: yue=yue-10;
   break;
   case 11: nian=nian-1;
   break;
   case 12: nian=nian-10;
   break;
   case 13: nian=nian-100;
   break;
   case 14: nian=nian-1000;
   break;
}
beepinit();
while(!keydw);
}
  }
}

if(p==2) // 闹钟下调
{
if(!keydw)
{
  delayms(1);
  if(!keydw)
  {
switch(n)
{
case 1: m6=m6-1;
break;
case 2: m6=m6-10;
break;
case 3: m5=m5-1;
break;
case 4: m5=m5-10;
break;
case 5: m4=m4-1;
break;
case 6: m4=m4-10;
break;
}
beepinit();
while(!keydw);
  }
}
}
}
//选择位数
//p:模式选择

void xuanze()
{
n=1;
p=1;
while(p==1) //时间模式
{
  if(!key2)
  {
delayms(5);
beepinit();
while(!key2);
n=n+1;
  }

  if(n==15)n=1;

keyupinit();
keydwinit();

  if(m1<0) m1=m1+24;
  if(m2<0) m2=m2+60;
  if(m3<0) m3=m3+60;

display();

  if(!key1)
  {
delayms(2);
beepinit();
while(!key1);
p=2;
  }
}

delayms(1);
n=1;
while(p==2) //闹钟模式
{
  if(!key2)
  {
delayms(5);
beepinit();
while(!key2);
n=n+1;
  }

if(n==7)n=1;

keyupinit();
keydwinit();

if(m4<0) m4=m4+24;
if(m5<0) m5=m5+60;
if(m6<0) m6=m6+60;

display();

if(!key1)
{
delayms(2);
beepinit();
while(!key1);
p=3;
}
}
}
//选择模式
void key1init()
{
TR0=0;
xuanze();
delayms(5);
if(p==3)
{
TR0=1;
}
}

void main()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1; //总开关
ET0=1; //定时器t0中断允许
TR0=1; //开启定时器
m1=m2=m3=q=m4=m5=m6=0;
nian=2014;
yue=01;
ri=01;

LCD_Init();

while(1)
display();
while(1)

{
  if(!key1)
  {
delayms(2);
beepinit();
while(!key1);
key1init();
delayms(3);
  }

  if((m4==0)&&(m5==0)&&(m6==0)) // 初始值不计闹钟
{
w=0;
}
else w=1;

if((m1==m4)&&(m2==m5)&&(m3==m6)&&w) //判断闹钟
{
   q=1;
   m8=0;
}
if(q==1)
{
   if(m8<=30)
   {
   beep2();
   }
   else
   q=0;
}
display();
}
  }
  void timer0() interrupt 1
  {
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
k++;
  }
END
;

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单片机课程设计电子时钟程序C

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