convert.c

来自「基于intel8032的自动恒温采集系统」· C语言 代码 · 共 35 行

#include "convert.h"
#include<reg51.h>
float conver_data;

 void  convert_ad(void)
{
  char xdata *dptr;
  unsigned char mid;
  static float filter_out=0;
   dptr=0x6000;
  *dptr=0;
  while(INT0);
  mid=*dptr;

 // filter_out=(float)mid-filter_out;

  filter_out=filter_out+0.28*((float)mid-filter_out);  //滤波
  conver_data=filter_out;

  //conver_data=filter_out;//AA*filter_out*filter_out+BB*filter_out+CC;
  conver_data=0.31*(filter_out-35.1)+31.8;
  }

  float get_temp(void)
{
  return(conver_data);
  }

  void convert_da(unsigned char c)
  {
  char xdata *dptr;
  dptr=0x8000;
  *dptr=c;
  }