Ben Michael / Mbed 2 deprecated miniProject4

Servo that turns towards heat source with temperature reading display.

Dependencies:   mbed

tempSnsr.cpp@9:0f2b584e419c, 2019-01-14 (annotated)

Committer:
bmichael21
Date:
Mon Jan 14 04:04:24 2019 +0000
Revision:
9:0f2b584e419c
Parent:
8:fb50cf601521
Child:
11:362594298828
made the servo movement direction factor in the previous temperature readings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bmichael21 2:24a919513911 1 #include "tempSnsr.h"
bmichael21 2:24a919513911 2
bmichael21 3:6d27738a83dc 3 AnalogIn tempSnsr1(p16);
bmichael21 3:6d27738a83dc 4 AnalogIn tempSnsr2(p17);
bmichael21 3:6d27738a83dc 5
bmichael21 9:0f2b584e419c 6 float curdiff, temp1, temp2, prevDiff;
bmichael21 9:0f2b584e419c 7
bmichael21 9:0f2b584e419c 8 float highTemp(){ //this function used for display information. Temperatures not updated here to avoid changing values in the middle
bmichael21 9:0f2b584e419c 9 //of the while true loop in main.
bmichael21 9:0f2b584e419c 10 if(curDiff > 0)
bmichael21 3:6d27738a83dc 11 return temp1; //temp1 and temp2 are already converted to farenheit measurements
bmichael21 3:6d27738a83dc 12 else
bmichael21 3:6d27738a83dc 13 return temp2;
bmichael21 3:6d27738a83dc 14 }
bmichael21 3:6d27738a83dc 15
bmichael21 9:0f2b584e419c 16 void avgTemps(){ //this function is only used in this file to get readings from both sensors while minimizing variance in readings
bmichael21 9:0f2b584e419c 17 temp1 = 0;
bmichael21 9:0f2b584e419c 18 temp2 = 0;
bmichael21 3:6d27738a83dc 19 for(int i = 0; i < 10; i++){
bmichael21 3:6d27738a83dc 20 temp1 += tempSnsr1;
bmichael21 9:0f2b584e419c 21 temp2 += tempSnsr2;
bmichael21 3:6d27738a83dc 22 }
bmichael21 9:0f2b584e419c 23 temp1 = (temp1 * 10 * 3.3 - 0.5) * 1.8 + 32; //conversion to the actual temperature in farenheit allows for reusability of function
bmichael21 9:0f2b584e419c 24 temp2 = (temp2 * 10 * 3.3 - 0.5) * 1.8 + 32;
bmichael21 3:6d27738a83dc 25 }
bmichael21 3:6d27738a83dc 26
bmichael21 9:0f2b584e419c 27 void updateTempDifference(){ //this is the function called by main to update the previous and current temperature readings
bmichael21 9:0f2b584e419c 28 avgTemps();
bmichael21 9:0f2b584e419c 29 prevDiff = curDiff;
bmichael21 9:0f2b584e419c 30 curDiff = temp1 - temp2;
bmichael21 3:6d27738a83dc 31 }