Architectural Model of a Bus Stop with Automatic Sunshade V2

1#include <VarSpeedServo.h>
2VarSpeedServo servo;
3
4int easternLight  = 0;
5int westernLight = 0;
6int rainSensed = 0;
7int sunshadePosition = 0;
8int  rainThreshold = 512;
9int sunshadeExpanded = 120;
10int sunshadeContracted =  60;
11int ambientLighting = 0;
12int turnOnLightsOn = 150;
13int ledIntensity  = 0;
14int ledPower = 0;
15int servoSpeed = 20;
16bool debugging = false; //  Set to TRUE to enable debugging to Serial Console
17
18void setup()
19{
20  pinMode(A4,  OUTPUT); // Interior lighting of the bus stop
21  pinMode(A5, OUTPUT); // Street  light
22  pinMode(A1, INPUT); // Western light
23  pinMode(A2, INPUT); // Eastern  light
24  pinMode(A3, INPUT); // Rain sensor analog
25  pinMode(2, INPUT); //  Rain sensor digital
26  servo.attach(A0); // Servo
27  servo.write(sunshadeContracted,  servoSpeed, true);
28  if (debugging){ 
29    Serial.begin(9600);
30    Serial.println("***  DEBUGGING STARTED ***");
31    Serial.println("-------------------------");
32  }
33}
34
35void oya_mydebug(String text, int value = NULL)
36{
37  // I added  'oya_' as a way to aovid a crash with any possible debugging 
38  // function an  external library might have. Oya is an abreviation of the name
39  // of my company  OfficeYA
40  if (debugging){
41    Serial.print(text);
42    if (value){
43      Serial.print(" = ");
44      Serial.println(value);
45    } else {
46      Serial.println(" ");
47    }
48  }
49}
50
51void expand_collapse(int  easternLight, int westernLight)
52{
53  if (easternLight <= westernLight) {
54    // It's sunrise
55    oya_mydebug("It's sunrise");
56    if (sunshadePosition  != sunshadeExpanded) {
57      servo.write(sunshadeExpanded, servoSpeed, true);
58      oya_mydebug("Sunshade expanded");
59    }
60  }
61  if (easternLight  > westernLight) {
62    // It's down
63    oya_mydebug("Sun is goind down");
64    if (sunshadePosition != sunshadeContracted) {
65      servo.write(sunshadeContracted,  servoSpeed, true);
66      oya_mydebug("Sunshade contracted");
67     }
68  }
69}
70
71void loop()
72{
73  // Get sensor values
74  easternLight = analogRead(A2);
75  westernLight = analogRead(A1);
76  rainSensed = analogRead(A3);
77  sunshadePosition  = servo.read();
78  ambientLighting = ((easternLight + westernLight) / 2); // Average  the brightness of the east and west
79
80  oya_mydebug("easternLight", easternLight);
81  oya_mydebug("westernLight", westernLight);
82  oya_mydebug("rainSensed",  rainSensed);
83  oya_mydebug("sunshadePosition", sunshadePosition);
84  oya_mydebug("ambientLighting",  ambientLighting);
85
86  // Find out if it is raining?
87  if (rainSensed < rainThreshold)  {
88    // It is raining
89    oya_mydebug("It's raining...");
90    if (sunshadePosition  != sunshadeExpanded) {
91      servo.write(sunshadeExpanded, servoSpeed, true);
92      oya_mydebug("Sunshade expanded");
93    }
94  } else {
95    // It is  not raining
96    oya_mydebug("It is not raining...");
97    if (ambientLighting  <= turnOnLightsOn) {
98      // It's getting dark, turn on the lights
99      oya_mydebug("It's  getting dark, turning on the lights");
100      ledPower = ((turnOnLightsOn - ambientLighting)  * 4);
101      oya_mydebug("ledPower", ledPower);
102      analogWrite(A5, ledPower);
103      analogWrite(A4, ledPower);
104      expand_collapse(easternLight, westernLight);
105    } else {
106      // There is a lot of sun light 
107      oya_mydebug("A lot  of sunshine, turn off lights");
108      analogWrite(A5, 0);
109      analogWrite(A4,  0);
110      expand_collapse(easternLight, westernLight);
111    }
112  }
113  if  (debugging){
114    Serial.println("********************");
115    Serial.println("  ");
116    delay(5000);
117  } else {
118    delay(100);
119  }
120}