1 files changed, 64 insertions, 0 deletions
diff --git a/Detector-Building.ino b/Detector-Building.ino
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+++ b/Detector-Building.ino
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+/*
+    ____  __________________________________  ____ 
+   / __ \/ ____/_  __/ ____/ ____/_  __/ __ \/ __ \
+  / / / / __/   / / / __/ / /     / / / / / / /_/ /
+ / /_/ / /___  / / / /___/ /___  / / / /_/ / _, _/ 
+/___________/ __________/\____/ _____\__________|  
+   / __ )/ / / /  _/ /   / __ \/  _/ | / / ____/   
+  / __  / / / // // /   / / / // //  |/ / / __     
+ / /_/ / /_/ // // /___/ /_/ // // /|  / /_/ /     
+/_____/\____/___/_____/_____/___/_/ |_/\____/      
+                                                   
+Ladue Horton Watkins High School Science Olympiad
+
+Licensed under the Parity Public License
+*/
+
+
+#include <curveFitting.h>
+
+
+const int LED_R = 8, LED_G = 10, LED_B = 12, THERM = 0; // Device component pins
+const double R_k = 10000, V_in = 5, analog_max = 1023; // Device constants
+
+// Analog to digital conversion
+double a2d(int a) { return V_in * a / analog_max; }
+int d2a(double d) { return d * analog_max / V_in; }
+
+// Voltage to resistance conversion
+double v2r(double V_out) { return R_k * (V_in / V_out - 1); }
+
+double vol[100];
+int con[100];
+
+const int order = 2;
+double coeff[order + 1];
+
+void setup() {
+  Serial.begin(9600);
+  Serial.setTimeout(1000000);
+  Serial.println("Starting calibration");
+  Serial.println("Place sensor in water and enter the concentration into the console");
+  Serial.println("When you are finished, type c to continue");
+  
+  int n = 0;
+  while (1) {
+    String s = Serial.readStringUntil('\n');
+    if (s == "c") break;
+    vol[n] = a2d(analogRead(THERM));
+    con[n] = s.toInt();
+    Serial.println(n);
+    Serial.println((double)vol[n]);
+    Serial.println(con[n]);
+    ++n;
+  }
+  
+  fitCurve(order, n, vol, con, coeff);
+}
+
+void loop() {
+  double v = a2d(analogRead(THERM));
+  double c = 0;
+  for (int i = order; i >= 0; --i) c = v*c + coeff[i];
+  Serial.println((double)c);
+}