File content as of revision 17:fc23cf904932:

#include "tempSnsr.h"

AnalogIn tempSnsr1(p16);
AnalogIn tempSnsr2(p17);

float curDiff, temp1, temp2, prevDiff;

float highTemp(){ //this function used for display information. Temperatures not updated here to avoid changing values in the middle
                  //of the while true loop in main.
    if(curDiff > 0)
        return  temp1; //temp1 and temp2 are already converted to farenheit measurements
    else
        return temp2;
}

void avgTemps(){ //this function is only used in this file to get readings from both sensors while minimizing variance in readings
    temp1 = 0;
    temp2 = 0;
    for(int i = 0; i < 10; i++){
         temp1 += tempSnsr1;
         temp2 += tempSnsr2;
    }
    temp1 = (temp1 * 10 * 3.3  - 50) * 1.8 + 32; //conversion to the actual temperature in farenheit allows for reusability of function
    temp2 = (temp2 * 10 * 3.3  - 50) * 1.8 + 32;
}

void updateTempDifference(){ //this is the function called by main to update the previous and current temperature readings
    avgTemps();
    prevDiff = curDiff;
    curDiff = temp1 - temp2;
}