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標(biāo)題: 基于單片機(jī)的數(shù)字溫度計(jì) [打印本頁(yè)]

作者: qwertre 時(shí)間: 2018-5-8 15:15
標(biāo)題: 基于單片機(jī)的數(shù)字溫度計(jì)
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="  hello!jasper  ";
uchar code table1[]=" xm.dabiao ";
uchar code aa[]=" 2018-4-13 MON ";
uchar code bb[]=" 14:30:00 ";
sbit lcden=P2^;
sbit lcdrs=P2^;
sbit dula=P2^6;
sbit wela=P2^7;
//sbit FM=P2^3;
uchar count;
char miao,fen=31,shi=14;

void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
  for(y=110;y>0;y--);
}

void write_com(uchar com)
{
lcdrs=0;
lcden=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_date(uchar date)
{
lcdrs=1;
lcden=0;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}

void init()
{
uchar num;
dula=0;
wela=0;
lcden=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80+0x10);
for(num=0;num<16;num++)
  {
write_date(table[num]);
delay(10);
  }
write_com(0x80+0x51);
for(num=0;num<16;num++)
  {
write_date(table1[num]);
delay(10);
  }

for(num=0;num<16;num++)
{
  write_com(0x18);
  delay(160);
}
delay(1800);

}
void pingxian(void)
{
uchar num_x;
delay(500);
write_com(0x01);
write_com(0x80);
for(num_x=0;num_x<16;num_x++)
  {
write_date(aa[num_x]);
delay(20);
  }
write_com(0x80+0x40);
delay(5);
for(num_x=0;num_x<16;num_x++)
  {
write_date(bb[num_x]);
delay(20);
  }
delay(300);
}
void inittime(void)
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
// shi=0;
// fen=2;
// miao=59;
}
void didi(di_num)
{
  uchar d;
  for(d=di_num;d>0;d--)
{
FM=0;
delay(70);
FM=1;
delay(30);
}
}
void write_sfm(uchar add,uchar date)
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void main(void)
{
init();
pingxian();
inittime();
while(1)
{
}
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
count++;
   if(count==19)
  {
count=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
   fen=0;
   shi++;
   if(shi==24)
   {
   shi=0;
   }
   write_sfm(4,shi);
}
write_sfm(7,fen);
}
write_sfm(10,miao);

  }
}

基于單片機(jī)及時(shí)鐘芯片DS1302的電子時(shí)鐘設(shè)計(jì).pdf

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