MiniSpec

1int buttonVal, toggleVal, cal = 0; 
2int sample = 1;
3int buzzer =   13;
4int toggle = 8; int button = 7;
5int redPin = 9; int greenPin = 10; int   bluePin = 11; //RGB Led
6int goodPin = 5; int statusPin = 6;
7int sensorPinOne   = A0; //LDR
8int sensorPinTwo = A1;
9int cellOne[2][41]; int cellTwo[2][41];
10double   wavelengths[41] = {380, 390, 400, 410, 420, 430, 440, 450, 
11						  460,   470, 480, 490, 500, 510, 520, 530, 
12						  540, 550, 560, 570, 580, 590,   600, 610, 
13						  620, 630, 640, 650, 660, 670, 680, 690, 
14						   700, 710, 720, 730, 740, 750, 760, 770, 780};
15double colors[41][3] = 
16	{	{97,   0,  97}, {121, 0, 141}, {131, 0, 181}, {126, 0, 219}, {106, 0, 255}, {61,  0,   255}, {0,  0,  255}, {0,  70, 255}, 
17		{0, 123, 255}, {0, 169, 255}, {0, 213,   255}, {0, 255, 255}, {0, 255, 146}, {0,  255,  0}, {54,  255, 0}, {94,  255, 0},   
18		{129, 255, 0}, {163, 255, 0}, {195, 255, 0}, {218, 255, 0}, {255, 255, 0},   {255, 223, 0}, {255, 190, 0}, {255, 155, 0}, 
19		{255, 119, 0}, {255,  79, 0},   {255,  33, 0}, {255,  0,  0}, {232,  0,  0}, {210,  0,  0}, {188,  0,  0}, {165,   0,  0}, 
20		{143,  0,  0}, {237,  0,  0}, {219,  0,  0}, {200,  0,  0}, {181,   0,  0}, {161,  0,  0}, {141,  0,  0}, {119,  0,  0}, {97,   0,  0}	};
21float   transmittance[2]; float absorbance[2];
22unsigned long previousMillis = 0; const   long statusInterval = 300; //Debouncing
23
24void setup() {
25	Serial.begin(9600);
26	pinMode(buzzer,   OUTPUT);
27	pinMode(toggle, INPUT); pinMode(button, INPUT);
28	pinMode(redPin,   OUTPUT); pinMode(greenPin, OUTPUT); pinMode(bluePin, OUTPUT);
29	pinMode(goodPin,   OUTPUT); pinMode(statusPin, OUTPUT);
30	pinMode(sensorPinOne, INPUT); pinMode(sensorPinTwo,   INPUT);
31	Serial.println("--- MiniSpec ---"); Serial.println();
32	tone(buzzer,   400, 150);
33}
34
35void loop() {
36	toggleVal = digitalRead(toggle);
37	analogWrite(goodPin,   HIGH); analogWrite(statusPin, LOW);
38	setColor(0, 0, 0);
39	
40	if (toggleVal   == 0) {
41		if (digitalRead(button) == 1) {
42			stabalize();
43			analogWrite(goodPin,   LOW); 
44			for (int x=0; x<41; x++) {
45				analogWrite(statusPin, HIGH);
46				setColor(colors[x][0],   colors[x][1], colors[x][2]); delay(333);
47				cellOne[0][x] = analogRead(sensorPinOne);   cellTwo[0][x] = analogRead(sensorPinTwo); delay(10);
48			}
49			Serial.println("Calibration   Complete"); Serial.println();
50			cal++;
51		}
52	}
53
54	if (toggleVal   == 1) {
55		if (digitalRead(button) == 1 && cal >= 1) {
56			stabalize();
57			analogWrite(goodPin,   LOW); 
58			for (int x=0; x<41; x++) {
59				analogWrite(statusPin, HIGH);
60				setColor(colors[x][0],   colors[x][1], colors[x][2]); delay(333);
61				cellOne[1][x] = analogRead(sensorPinOne);   cellTwo[1][x] = analogRead(sensorPinTwo); delay(10);
62			}
63			setColor(0,0,0);
64			analysis();
65		}   else if (digitalRead(button) == 1 && cal == 0) {tone(buzzer, 100, 200);}
66	}
67}
68
69void   stabalize(void) {
70	setColor(255,255,255);
71	for (int y=0; y<5; y++) {
72		analogWrite(goodPin,   LOW); delay(300);
73		analogWrite(goodPin, HIGH); delay(300);
74	}
75}
76
77void   setColor(double red, double green, double blue) {
78	analogWrite(redPin, (int)red);
79	analogWrite(greenPin,   (int)green);
80	analogWrite(bluePin, (int)blue);
81}
82
83void analysis(void)   {
84	Serial.println(); Serial.print("Sample "); Serial.println(sample); Serial.println();
85	previousMillis   = millis();
86	for (int x=0; x<41; x++) {
87		transmittance[0] = (float)cellOne[1][x]/(float)cellOne[0][x];
88		transmittance[1]   = (float)cellTwo[1][x]/(float)cellTwo[0][x];
89		absorbance[0] = log10(1/transmittance[0]);
90		absorbance[1]   = log10(1/transmittance[1]);
91		float avgAbsorbance = ((absorbance[0] + absorbance[1])/(float)2);
92		Serial.println(avgAbsorbance);
93		delay(100);
94		if   (millis() - previousMillis >= statusInterval) {
95			analogWrite(statusPin,   LOW);
96		}
97		if (millis() - previousMillis >= statusInterval*2) {
98			analogWrite(statusPin,   HIGH);
99			previousMillis = millis();
100		}
101	}
102	sample++;
103}