單片機+MPX4115+LTC1297的數字氣壓測量儀程序Proteus仿真圖

ID:1027797 · 發表于 2022-6-16 08:28

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main程序
#include <intrins.h>
#include <reg51.h>
#include <stdlib.h>
#include "HDM32GS12.h"
#include "ReadADC.h"

#define uchar unsigned char
#define uint  unsigned int
#define port P0

/*參數的定義*/
double adc;

double qiya;
long qiya_1;
double haiba;
long haiba_1;
int ge_q,ge_h;
int shi_q,shi_h;
int bai_q,bai_h;
int qian_h;
int shu1_q;
int shu2_q;
/*延時*/
void delay(uchar z)
{
   int x;
   for(x=z;x>0;x--);
}

void main()
{

      lcdini();//初始化
      clrscr();//清屏

while(1)
{
            adc=ReadADC();//ADC值獲取
      qiya=(adc+345.618)/36.855;//氣壓
      haiba=9002.2-89.245*qiya;//海拔
      if(haiba<0){haiba=0;}
      haiba_1=haiba;//取整
      qiya_1=qiya*100;//左移2位取整
      /*海拔的顯示*/
//       qian_h=haiba_1/1000;
//             bai_h=haiba_1/100%10;
//       shi_h=haiba_1/10%10;
//       ge_h=haiba_1/1%10;
            /*ADC的顯示*/
            qian_h=(int)adc/1000;
            bai_h=(int)adc/100%10;
      shi_h=(int)adc/10%10;
      ge_h=(int)adc/1%10;
      /*氣壓的顯示*/
            bai_q=qiya_1/10000%10;
      shi_q=qiya_1/1000%10;
      ge_q=qiya_1/100%10;
            shu1_q=qiya_1/10%10;
            shu2_q=qiya_1%10;


            /*顯示函數*/
      Draw_wordh(0,0,0,16);
      Draw_wordh(1,16,0,16);
      Draw_wordh(2,32,0,16);
      Draw_wordh(10,48,2,8);
            Draw_wordh(bai_q,56,2,8);
      Draw_wordh(shi_q,64,2,8);
      Draw_wordh(ge_q,72,2,8);
      Draw_wordh(11,80,2,8);
            Draw_wordh(shu1_q,88,2,8);
            Draw_wordh(shu2_q,96,2,8);

            Draw_wordh(3,0,3,16);
      Draw_wordh(4,16,3,16);
            Draw_wordh(10,32,1,8);
      Draw_wordh(qian_h,40,1,8);
            Draw_wordh(bai_h,48,1,8);
            Draw_wordh(shi_h,56,1,8);
      Draw_wordh(ge_h,64,1,8);


      Draw_wordx(0,0,0,16);
      Draw_wordx(1,16,0,16);
      Draw_wordx(2,32,0,16);
      Draw_wordx(10,48,2,8);
      Draw_wordx(bai_q,56,2,8);
      Draw_wordx(shi_q,64,2,8);
      Draw_wordx(ge_q,72,2,8);
            Draw_wordx(11,80,2,8);
            Draw_wordx(shu1_q,88,2,8);
            Draw_wordx(shu2_q,96,2,8);

Draw_wordx(3,0,3,16);
      Draw_wordx(4,16,3,16);
            Draw_wordx(10,32,1,8);
            Draw_wordx(qian_h,40,1,8);
            Draw_wordx(bai_h,48,1,8);
            Draw_wordx(shi_h,56,1,8);
      Draw_wordx(ge_h,64,1,8);

      }
}

Keil代碼與Proteus8.8仿真下載:

仿真和程序.7z (107.26 KB, 下載次數: 39)

ID:496636 · 發表于 2022-6-16 19:45

一般的大氣壓在101千帕左右，海拔越高，氣壓越低，我這地區海拔只有99到100千帕左右，海拔100不到，這幾天下雨天，悶，一般在101千帕左右。115千帕有點高啊

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單片機+MPX4115+LTC1297的數字氣壓測量儀程序Proteus仿真圖

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