单片机+MPX4115+LTC1297的数字气压测量仪程序Proteus仿真图 -

标题: 单片机+MPX4115+LTC1297的数字气压测量仪程序Proteus仿真图 [打印本页]

作者: 第几集 时间: 2022-6-16 08:28
标题: 单片机+MPX4115+LTC1297的数字气压测量仪程序Proteus仿真图
仿真原理图如下（proteus仿真工程文件可到本帖附件中下载）

单片机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

/*参数的定义*/
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;
/*延时*/
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值获取
      qiya=(adc+345.618)/36.855;//气压
      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
      /*海拔的显示*/
//       qian_h=haiba_1/1000;
//             bai_h=haiba_1/100%10;
//       shi_h=haiba_1/10%10;
//       ge_h=haiba_1/1%10;
            /*ADC的显示*/
            qian_h=(int)adc/1000;
            bai_h=(int)adc/100%10;
      shi_h=(int)adc/10%10;
      ge_h=(int)adc/1%10;
      /*气压的显示*/
            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;


            /*显示函数*/
      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代码与Proteus8.8仿真下载:

仿真和程序.7z (107.26 KB, 下载次数: 39)

作者: 新昌小徐 时间: 2022-6-16 19:45
一般的大气压在101千帕左右，海拔越高，气压越低，我这地区海拔只有99到100千帕左右，海拔100不到，这几天下雨天，闷，一般在101千帕左右。115千帕有点高啊

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