SensorCalc.h

#ifndef SENSORCALC_H
#define SENSORCALC_H
 
#include <math.h>
 
float ntc10_20(int adc){
      float t,res;
      t=adc;
      res=8.195548e+01-2.523585e-01*t;
      t*=adc;
      res+=3.121114e-04*t;
      t*=adc;
      res+=-1.842112e-07*t;
      return res;
}
 
 
float hit503x(int adc,float T){
    return ((((float) adc)/1023-0.1515)/0.00636)/(1.0546-0.00216*T);
}
 
float hr202l_100(int adc,float T){
      float a,b,c;
      float tt=T*T;
      a=112.016090 - 0.360150168*T + 1.156667e-03*tt;
      b=-12.725041 - 0.066866381*T - 1.365699e-04*tt;
      c=0.373017 - 0.006363128*T + 5.289157e-05*tt;
      float logR;
      logR=log((float)100/((float)1023/((float) adc) - 1));
      return a+b*logR+c*logR*logR;
}
 
//avarage wind direction
/*
 * N:   0       10000
 * NO:  7071    7071
 * O    10000   0
 * SO:  7071    -7071
 * S    0       -10000
 * SW   -7071   -7071
 * W    -10000  0
 * NW   -7071   7071
 *
 *
 *
 */
 
 
#endif