基于51单片机的烟雾报警器

ID:469980 · 发表于 2020-1-29 19:28

本设计为烟雾报警器附带的有温度和日期的显示。需要的拿走。

#include<reg51.h>
#include<intrins.h>
#include"riqi.h"
#include"wendu.h"
#include"n5110.h"
#define uchar unsigned char
#define uint unsigned int
sbit K1=P3^4;
sbit K2=P3^5;
sbit K3=P3^3;
sbit K4=P3^6;
uchar count=0x00;
sbit cs=P1^0;
sbit sclk=P1^1;
sbit dat=P1^2;
sbit fe=P1^3;
sbit k5=P3^7;
sbit mada=P1^4;
uint mdat=0x00;
int tidai;
uchar SetState,SetPlace,m=1;
void Int0Configuration();
void LcdDisplay();
void display(uint temp);
uchar code riqishuzu[][16]={    //8*16 日期数字
0x00,0xF8,0x04,0x02,0x02,0x04,0xF8,0x00,0x00,0x03,0x04,0x08,0x08,0x04,0x03,0x00,//0
0x00,0x04,0x04,0xFE,0x00,0x00,0x00,0x00,0x00,0x08,0x08,0x0F,0x08,0x08,0x00,0x00,//1
0x00,0x1C,0x02,0x02,0x82,0x62,0x1C,0x00,0x00,0x0C,0x0A,0x09,0x08,0x08,0x0C,0x00,//2
0x00,0x0C,0x02,0x22,0x22,0x52,0x8C,0x00,0x00,0x06,0x08,0x08,0x08,0x04,0x03,0x00,//3
0x00,0xC0,0x30,0x08,0x04,0xFE,0x00,0x00,0x00,0x01,0x01,0x09,0x09,0x0F,0x09,0x00,//4
0x00,0x7E,0x42,0x22,0x22,0x42,0x82,0x00,0x00,0x06,0x08,0x08,0x08,0x04,0x03,0x00,//5
0x00,0xF8,0x44,0x22,0x22,0x46,0x80,0x00,0x00,0x03,0x04,0x08,0x08,0x04,0x03,0x00,//6
0x00,0x0E,0x02,0xC2,0x32,0x0E,0x02,0x00,0x00,0x00,0x00,0x0F,0x00,0x00,0x00,0x00,//7
0x00,0x1C,0xA2,0x42,0x42,0xA2,0x1C,0x00,0x00,0x07,0x08,0x08,0x08,0x08,0x07,0x00,//8
0x00,0x38,0x44,0x82,0x82,0x44,0xF8,0x00,0x00,0x00,0x0C,0x08,0x08,0x04,0x03,0x00,//9

};
unsigned char code font6_8[][6] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp    0
{ 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 }, // ,    1
{ 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 }, // .    2    14
{ 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 }, // / 3    15
{ 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0 4 16
{ 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1 5    17
{ 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2    6    18
{ 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3 7    19
{ 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4 8    20
{ 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5 9    21
{ 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6 10    22
{ 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7 11    23
{ 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8    12    24
{ 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9 13    25
{ 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 }, // : 14    26
{ 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 }, // (    15
{ 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 }, // )    16

};

uchar code xingqishuzi[][12]={    // 供星期调用
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,0x00, //1
0x00,0x20,0x20,0x24,0x24,0x24,0x24,0x24,0x24,0x20,0x20,0x00, //2
0x00,0x80,0x48,0x49,0x49,0x49,0x49,0x49,0x49,0x48,0x80,0x00,    //3
0x00,0xff,0xa1,0x91,0x8f,0x81,0x81,0x9f,0x91,0x91,0xff,0x00,    //4
0x00,0x80,0x81,0xc9,0xb9,0x8f,0x89,0x89,0xf9,0x81,0x80,0x00, //5
0x00,0x44,0x24,0x14,0x04,0x05,0x04,0x14,0x24,0x44,0x00,0x00, //6
0x00,0x00,0xff,0x89,0x89,0x89,0x89,0x89,0x89,0xff,0x00,0x00, //7

};
void delay(uchar x)
{
  uint i,j;
  for(j=x;j>0;j--)
  for(i=110;i>0;i--);
}

void lcdwritechar(uchar c)                   //显示英文字符
{
uchar line;
                           //数组的行号 c=34 ;
for(line=0;line<7;line++)
{
lcdwritebyte(font6_8[c][line],1);
}
}
void xingqi(uchar x,uchar y,uchar e )
{
         uchar tqr;
   lcdsetxy(x,y);
for(tqr=0;tqr<12;tqr++)
{
   lcdwritebyte(xingqishuzi[e][tqr],1);

}

}
  void riqi()
{
   lcdsetxy(58,3);       //温度的小数点
   lcdwritebyte(0x30,1);
lcdsetxy(59,3);
   lcdwritebyte(0x30,1);

lcdsetxy(13,1);    //:
lcdwritechar(14);

lcdsetxy(31,1); //:
lcdwritechar(14);

lcdsetxy(30,0); //    /
lcdwritechar(3);
lcdsetxy(52,0);    // /
lcdwritechar(3);

    lcdsetxy(58,1);      //( 61
lcdwritechar(15);
lcdsetxy(76,1);    // )    79
lcdwritechar(16);
}

void yingwenzifu(uchar x,uchar y,uchar h)    //在x  y 处显示一个字符
{

   lcdsetxy(x,y);
lcdwritechar(h);
}

void wendu_shuzi(uint x,uint y,int a) //日期上显示占两行的数字
{
uchar b,c;
lcdsetxy(x,y);
for(b=0;b<8;b++)
{
   lcdwritebyte(riqishuzu[a][b],1);
}
lcdsetxy( x,y+1);
for(c=8;c<16;c++)
{
       lcdwritebyte(riqishuzu[a][c],1);
}

}
void  convdata(uchar i)//此时的i为ad转换后的值，在0-5v之间，
{
   uchar w=0;
  // i=i*100; //把i精确到0.0；i在0-255之间，共5v，十个等级，每个等级0.5v，255/10=25.5取整25

   if(i>=0&&i<=3) // if(i>=0&&i<=3)
   {wendu_shuzi(60,4,0); // 检测0-0.3v 5110显示0级
   fe=1;
   mada=1;
   }

      if(k5==0&&m==1)
{
delay(10);
if(k5==0&&m==1)
{
w=1;
m=0;

while(!k5);
// tqr=0;    //定时器开始计时，当tmr=51 tmr=0；m=0；tqr=1 定时器不在计时
}
}
if(k5==0&&m==0)
{
delay(10);
if(k5==0&&m==0)
{

w=0;

m=1;

// tqr=0;    //定时器开始计时，当tmr=51 tmr=0；m=0；tqr=1 定时器不在计时
}
while(!k5);
}
if(i>3&&i<=225)
{

   mada=0;

if(mada==0&&m==1)
      fe=0;
if(mada==0&&m==0&&w==1)
   {
fe=1;

    }


if(i>3&&i<=25)    //    if(i>3&&i<=25)
   {wendu_shuzi(60,4,1);}    //  0.3-0.5v    1级
if(i>25&&i<=51)
   {wendu_shuzi(60,4,2);} // 0.5-1v    2
if(i>51&&i<=76)
   {wendu_shuzi(60,4,3);}    //  1-1.5v    3
if(i>76&&i<=102)
      {wendu_shuzi(60,4,4);}    //  1.5-2v    4
   if(i>76&&i<=127)
      {wendu_shuzi(60,4,5);}    //  2-2.5v    5
   if(i>127&&i<=153)
      {wendu_shuzi(60,4,6);}    //  2.5-3v    6
   if(i>153&&i<=178)
   {wendu_shuzi(60,4,7);}    //  3-3.5v    7
   if(i>178&&i<=204)
   {wendu_shuzi(60,4,8);}    //  3.5-4v    8
   if(i>204&&i<=229)
   {wendu_shuzi(60,4,9);}    //  4-4.5v    9
   if(i>229&&i<=255)
   {
wendu_shuzi(60,4,1);
wendu_shuzi(69,4,0);;
}    //  4.5-5v    10
}

      }
uchar adc0832(uchar CH) //(ucahr CH)
{
uchar i,test,adval;
   adval=0x00;
   test=0x00;
   sclk=0;
   dat=1;    //why dat=1;  dat should=0;
   _nop_();
   cs=0;
   _nop_();
   sclk=1;
   _nop_();

if ( CH == 0x00 )    //通道选择
{
   sclk = 0;
   dat = 1;    //通道0的第一位
   _nop_();
   sclk = 1;
   _nop_();
   sclk = 0;
   dat = 0;    //通道0的第二位
   _nop_();
   sclk = 1;
   _nop_();
}
else
{
   sclk = 0;
   dat = 1;    //通道1的第一位
   _nop_();
   sclk = 1;
   _nop_();
   sclk = 0;
   dat = 1;    //通道1的第二位
   _nop_();
   sclk = 1;
   _nop_();
}
   sclk=0;
   dat=1;
for(i=0;i<8;i++)
{
   _nop_();
   adval<<=1;
   sclk=1;
   _nop_();
   sclk=0;
  if(dat)
{
   adval|=0x01;

}
  else
   adval|=0x00;

}
for(i=0;i<8;i++)
{
   test>>=1;
   if(dat)
{test|=0x80;}
else
test|=0x00;
_nop_();
sclk=1;
_nop_();
sclk=0;
  }
if(adval=test) //如果输出一直为0 就去掉
mdat=test;
_nop_();
cs=1;
dat=1;
sclk=1;
return adval;
}

void main()
{
  unsigned char i;
//delay(1);

lcdinit();
wendu_shuzi(42,2,0); //0    最初温度显示为00.00
wendu_shuzi(50,2,0); //0
wendu_shuzi(61,2,0); //0
wendu_shuzi(69,2,0); //0
   Int0Configuration();
hanz(0,2,0);    //显示"温度等级 "
hanz(0,4,1);
riqi(); //显示基本格局
      while(1)
{


   mdat=adc0832(0) ;
       convdata(mdat);
   delay(1);
   display(Ds18b20ReadTemp());

      if(SetState==0)    //如果不按k1就继续读日期
{
Ds1302ReadTime();

}
else
{
if(K1==0) //检测按键K1是否按下
{
delay(10); //消除抖动
if(K1==0)
{
SetPlace++;
if(SetPlace>=7)
SetPlace=0;
}

while((i<50)&&(K1==0))    //检测按键是否松开
{
delay(10);
i++;
}
i=0;
}
if(K2==0) //检测按键K2是否按下
{
delay(10); //消除抖动
if(K2==0)
{

   Ds1302Write(0x81+SetPlace,TIME[SetPlace]++);    //写入时间，停止掉电运行，调完后读取，在开启掉电运行

if((TIME[SetPlace]&0x0f)>9)    //换成BCD码。
{
TIME[SetPlace]=TIME[SetPlace]+6; //
}
if((TIME[SetPlace]>=0x60)&&(SetPlace<2)) //分秒只能到59
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]>=0x24)&&(SetPlace==2)) //小时只能到23
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]>=0x32)&&(SetPlace==3)) //日只能到31
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]>=0x13)&&(SetPlace==4)) //月只能到12
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]>=0x08)&&(SetPlace==5)) //周只能到7
{
TIME[SetPlace]=1;
}
// if(SetPlace==5) //月只能到12
// {
// TIME[SetPlace]=;
// }
               Ds1302Write(0x8e,0x80);
}

while((i<50)&&(K2==0))    //检测按键是否松开
{
delay(10);
i++;
}
i=0;

}

   if(K4==0) //检测按键K4是否按下
{
delay(10); //消除抖动
if(K4==0)
{
// TIME[SetPlace]--;
Ds1302Write(0x81+SetPlace,TIME[SetPlace]--);
if((TIME[SetPlace]&0x0f)==0)    //换成BCD码。
{
TIME[SetPlace]=9;//TIME[SetPlace]+6;
}
if((TIME[SetPlace]<=0)&&(SetPlace<2)) //分秒只能到59
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]<=0)&&(SetPlace==2)) //小时只能到23
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]<=0)&&(SetPlace==3)) //日只能到31
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]<=0)&&(SetPlace==4)) //月只能到12
{
TIME[SetPlace]=0;
}
if((TIME[SetPlace]<=0x01)&&(SetPlace==5)) //周只能到7
{
TIME[SetPlace]=1;
}
// if(SetPlace==5) //月只能到12
// {
// TIME[SetPlace]=;
// }
                  Ds1302Write(0x8e,0x80);
}

while((i<50)&&(K4==0))    //检测按键是否松开
{
delay(10);
i++;
}
i=0;

}
}

      LcdDisplay();

}
}

void Int0Configuration()
{
//设置INT0


IT1=1;//跳变沿出发方式（下降沿）
EX1=1;//打开INT0的中断允许。
EA=1;//打开总中断
}
void LcdDisplay()    //lcd显示
{

yingwenzifu(0,0,6);  // 年
yingwenzifu(7,0,4);
yingwenzifu(15,0,4+TIME[6]/16); //十六进制除以16相当于十进制除以十    /16  只取高中四位字节高四位是保存十位，低四位是保存个位的
yingwenzifu(22,0,4+(TIME[6]&0x0f));

yingwenzifu(38,0,4+TIME[4]/16); // 月
yingwenzifu(44,0,4+(TIME[4]&0x0f));

yingwenzifu(59,0,4+TIME[3]/16);    //    日
yingwenzifu(65,0,4+(TIME[3]&0x0f));

yingwenzifu(0,1,4+TIME[2]/16); // 时    高位
yingwenzifu(7,1,4+(TIME[2]&0x0f));

yingwenzifu(19,1,4+TIME[1]/16);    //    分
yingwenzifu(25,1,4+(TIME[1]&0x0f));

yingwenzifu(37,1,4+TIME[0]/16);    // 秒
yingwenzifu(43,1,4+(TIME[0]&0x0f));

xingqi(65,1,(TIME[5]&0x0f) );          //星期    07 68
}
void display(uint temp)    //lcd显示    温度
{
  float tp;
  if(temp<0)
  {
   yingwenzifu(30, 2,13);
yingwenzifu(34, 2,13); //加上一个负号    其实现在x=
temp=temp-1;
temp=~temp;
temp=tp*100+0.5;                   //保留两位小数

  }
  else
  {
yingwenzifu( 36, 2,0);
yingwenzifu(40, 2,0);
tp=temp;
temp=tp*0.0625*100+0.5;
}
   tidai=temp;
wendu_shuzi(42,2,tidai%10000/1000); //十位    48
wendu_shuzi(50,2,tidai%1000/100);    //个位    56
wendu_shuzi(61,2,tidai%100/10);       //小数点后第一位    67
wendu_shuzi(69,2,tidai%10);          //小数点后第二位    75

}

void Int1() interrupt 2    //中

{
delay(10);
if(K3==0)
{
SetState=~SetState;
SetPlace=0;
Ds1302Init();

}
}

ID:778687 · 发表于 2020-6-14 08:39

很不错，学习一下

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