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標題: 酒精檢測 [打印本頁]

作者: 296843957 時間: 2018-12-3 18:37
標題: 酒精檢測
/***********************************************************/
#include<reg51.h>          //頭文件
#include<LCD1602.h>
#include<ADC0832.h>
#include<EEPROM.h>
#include<INTERRUPT.h>
#define uchar unsigned char
#define uint unsigned int
/*****************燈、蜂鳴器、按鍵引腳定義******************/
sbit led=P1^7;          //LED燈(紅)
sbit buzz=P2^3;          //蜂鳴器
sbit key_set=P1^0;       //設(shè)置鍵
sbit key_jia=P1^3; //加鍵
sbit key_jian=P1^6;       //減鍵
/*****************全局變量定義******************************/
#define K_MG_MV 2
#define IN_V 500
long ALValue;
uchar K_ZERO;
uint jiujia_up,zuijia_up;
uint set_f;
uchar num;
/***********************************************************
函數(shù)名稱:void fixed_display()
函數(shù)作用:固定顯示部分
參數(shù)說明:
************************************************************/
void fixed_display()
{
lcd1602_write_character(0,1,"ALcohol content:");
lcd1602_write_character(8,2,"PPM");
}
/***********************************************************
函數(shù)名稱:void display1()
函數(shù)作用:顯示實際濃度值
參數(shù)說明:
************************************************************/
void display1()
{
fixed_display();
if(K_ZERO+2>ADC_date)
      K_ZERO=ADC_date;
ALValue=(long)IN_V*(ADC_date-K_ZERO)/255;
if(ALValue<0)
      ALValue=0;
ALValue=ALValue*K_MG_MV;
LCD_disp_char(5,2,ASCII[ALValue/100]);
LCD_disp_char(6,2,ASCII[ALValue%100/10]);
LCD_disp_char(7,2,ASCII[ALValue%10]);
if(zuijia_up<=AVlalue)
{
   led=0;
   buzz=0;
}
else
   if(jiujia_up<=ALValue)
   {
         led=0;
   buzz=1;
   }
   else
   {
         led=1;
   buzz=1;
   }
}
/***********************************************************
函數(shù)名稱:void display2(void)
函數(shù)作用:顯示設(shè)置時酒駕、醉駕上限值
參數(shù)說明:
************************************************************/
void display2(void)
{
num++;
if(num==254)
      num=0;
lcd1602_write_character(0,1,"Jiujia Limit:");
lcd1602_write_character(0,2,"Ziujia Limit:");
if(num%2==0)
{
      LCD_disp_char(13,1,ASCII[jiujia_up/100]);
      LCD_disp_char(14,1,ASCII[jiujia_up%100/10]);
      LCD_disp_char(15,1,ASCII[jiujia_up%10]);
      LCD_disp_char(13,1,ASCII[ziujia_up/100]);
      LCD_disp_char(13,1,ASCII[ziujia_up%100/10]);
      LCD_disp_char(13,1,ASCII[ziujia_up%10]);
}
else
{
      if(set_f==1)
{
      LCD_disp_char(13,1,ASCII[13]);
LCD_disp_char(14,1,ASCII[13]);
LCD_disp_char(15,1,ASCII[13]);
      }
else
{
      LCD_disp_char(13,1,ASCII[jiujia_up/100]);
         LCD_disp_char(14,1,ASCII[jiujia_up%100/10]);
         LCD_disp_char(15,1,ASCII[jiujia_up%10]);
}
if(set_f==2)
{
      LCD_disp_char(13,2,ASCII[13]);
LCD_disp_char(14,2,ASCII[13]);
LCD_disp_char(15,2,ASCII[13]);
}
      else
{
LCD_disp_char(13,1,ASCII[ziujia_up/100]);
         LCD_disp_char(13,1,ASCII[ziujia_up%100/10]);
         LCD_disp_char(13,1,ASCII[ziujia_up%10]);
}
}
}
/***********************************************************
函數(shù)名稱:void delayms(uint ms)
函數(shù)作用:毫秒延時函數(shù)
參數(shù)說明:
************************************************************/
void delayms(uint ms)
{
   unsigned char i=100,j;
   for(;ms;ms--)
   {
         while(--i)
   {
         j=10;
   while(--j);
   }
   }
}
/***********************************************************
函數(shù)名稱:void scan(void)
函數(shù)作用:按鍵檢測及處理
參數(shù)說明:
************************************************************/
void scan(void)
{
   //設(shè)置鍵，不支持連按
   if(key_set==00)
   {
      delayms(7);
if(key_set==0)
{
      led=1;
buzz=1;
if(set_f==0)
{
      LCD_write_command(0x01);
delay_n40us(100);
display2();
}
set_f++;
if(set_f==3)
{
      set_f=0;
EEPROM_delete(0x2002);
EEPROM_write(0x2002,jiujia_up/100);
EEPROM_write(0x200a,jiujia_up%100);
EEPROM_delete(0x2202);
EEPROM_write(0x2202,zuijia_up/100);
EEPROM_write(0x220a,zuijia_up%100);
LCD_write_command(0x01);
delay_n40us(100);
fixed_display();
}
}
while(!key_set);
   }
   //加值鍵,支持連續(xù)
   if(key_jia==0&&set_f!=0)
   {
      delayms(7);
if(key_jia==0set_f==1)
{
      if(jiujia_up<999&&jiujia_up<zuijia_up-1)
      jiujia_up++;
display2();
}
if(key_jia==0&&set_f==2)
{
      if(zuijia_up<999)
      zuijia_up++;
display2();
}
   }
   //減值鍵,支持連續(xù)
   if(key_jian==0&&set_f!=0)
   {
      delayms(7);
if(key_jian==0set_f==1)
{
      if(jiujia_up!=0)
      jiujia_up--;
display2();
}
if(key_jia==0&&set_f==2)
{
      if(zuijia_up!=0&&zuijia_up>jiujia_up+1)
      zuijia_up--;
display2();
}
   }
}
/***********************************************************
函數(shù)名稱:void main()
函數(shù)作用:主函數(shù)
參數(shù)說明:
************************************************************/
void main()
{
   uchar i=0;
   T0_init();
   LCD_init();
   /*EEPROM_delete(0x2002);
   EEPROM_write(0x2002,80/100);
   EEPROM_write(0x200a,80%100);
   jiujia_up=EEPROM_read(0x2002);
   jiujia_up=jiujia_up*100+EEPROM_read(0x200a);
   /*EEPROM_delete(0x2202);
   EEPROM_write(0x2202,150/100);
   EEPROM_write(0x220a,150%100);
   ziujia_up=EEPROM_read(0x2202);
   ziujia_up=ziujia_up*100+EEPROM_read(0x220a);
   while(!wait_f)
   {
      lcd1602_write_character(0,1,"Please wait for!");
   LCD_disp_char(6,2,ASCII[(60-time)/10]);
   LCD_disp_char(7,2,ASCII[(60-time)%10]);
   LCD_disp_char(9,2,s);
   }//*/
   ADC0832_read(0);
   K_ZERO=ADC_date;
   while(1)
   {
      /*ADC0832_read(0);
   LCD_disp_char(0,2,ASCII[K_ZERO/100]);
   LCD_disp_char(1,2,ASCII[K_ZERO%100/10]);
   LCD_disp_char(2,2,ASCII[K_ZERO%10]);//*/
   scan();
   if(set_f==0)
   {
      i++;
   if(i>50)
   {
      ADC0832_read(0);
   i=0;
      }
   display1();
   }
      else
         display2();
   }
}

作者: admin 時間: 2018-12-4 04:21
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