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標題: 單片機光強檢測程序與Proteus仿真可設置超上限報警 [打印本頁]

作者: zcandnn 時間: 2021-6-29 16:09
標題: 單片機光強檢測程序與Proteus仿真可設置超上限報警
光強檢測仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）

單片機光強檢測源程序如下:
#include <reg52.h>
#include <display.h>

#define uint unsigned int
#define uchar unsigned char
#define Data_ADC0809 P1

sbit LED_light= P2^1;
sbit baojing= P2^5;
sbit DQ = P2^0;
sbit fs=P3^4;
sbit ST=P3^3;
sbit EOC=P3^6;
sbit OE=P3^2;
sbit Key1=P2^6;
sbit Key2=P2^7;
sbit Key3=P3^7;

signed char w;
uint c;
bit bdata flag=0;
uchar temp;
uchar yushe_wendu=50;
uchar yushe_light=100;
uchar Mode=0;

extern uchar ADC0809();
extern void Key();

void delay(uint z)
{
      uint i,j;
      for(i=0;i<z;i++)
      for(j=0;j<121;j++);
}

uchar ADC0809()
{
      uchar temp_=0x00;


      OE=0;

      ST=0;

      ST=1;
      ST=0;

      while(EOC==0)

      OE=1;
      temp_=Data_ADC0809;
      OE=0;
      return temp_;
}

void Key()
{

      if(Key1==0)
      {
            while(Key1==0);
            if(Mode>=2) Mode=0;
            else
            {
                        write_com(0x38)；
                        write_com(0x0d)；
                        write_com(0x06)
                     Mode++;
                     switch(Mode)
                     {
                              case 1:
                              {
                                    write_com(0x80+12)
                                    break;
                              }
                              case 2:
                              {
                                    write_com(0x38)；
                                    write_com(0x0c)；
                                    Mode=0;
                                    break;
                              }

                     }
            }
      }
      if(Key2==0&&Mode!=0)
      {
            while(Key2==0);
            switch(Mode)
            {

                     case 1:
                     {
                              yushe_light++;
                              if(yushe_light>=255)
                              yushe_light=255;
                              write_com(0x80+13);
                              write_data(0x30+yushe_light/100);
                              write_data(0x30+yushe_light%100/10);
                              write_data(0x30+yushe_light%10);
                              break;
                     }
            }
      }
      if(Key3==0&&Mode!=0)
      {
            while(Key3==0);
            switch(Mode)
            {
                     case 1:
                     {
                              yushe_light--;
                              if(yushe_light<=0)
                              yushe_light=0;
                              write_com(0x80+13);
                              write_data(0x30+yushe_light/100);
                              write_data(0x30+yushe_light%100/10);
                              write_data(0x30+yushe_light%10);
                              break;
                     }
            }
      }
      delay(200);
      write_com(0x38)；
      write_com(0x0c)；
}

void main()
{
      Init1602();
      fs=0;
      while(1)
      {
            temp=ADC0809();
            Key();

            if(Mode==0)
            {
                     Display_1602(yushe_wendu,yushe_light,c,temp);
                     if(temp>=yushe_light)
                     {
                              LED_light=0;
                              baojing=0;
                              fs=1;
                     }
                     else
                     {
                              LED_light=1;
                     }

                     if(temp<yushe_light)
                     {
                              baojing=1;
                              fs=0;
                     }
            }
      }
}
全部資料51hei下載地址：

光照強度檢測程序5.20.2.rar (27.87 KB, 下載次數: 29)

光照強度檢測proteus仿真.rar (98.23 KB, 下載次數: 34)

作者: 51hei團團 時間: 2021-7-2 16:00
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