Car Parking Simulator

1#include <Ultrasonic.h> //Library for the ultrasonic sensor
2#include<LiquidCrystal_I2C.h>  //Library for the display
3#include<Wire.h>
4LiquidCrystal_I2C lcd (0x27, 16,  2); //Creates an object lcd
5Ultrasonic ultrasonic1 (13, 12); //Creates an object  ultrasonic1
6Ultrasonic ultrasonic2 (11, 10); //Creates an object ultrasonic1
7int  ledOccupied1 = 9; //LED to indicate if the spot is occupied
8int ledFree1 = 8;  //LED to indicate if the spot is free
9int ledOccupied2 = 7; //LED to indicate  if the spot is occupied
10int ledFree2 = 6; //LED to indicate if the spot is free
11int  val1; //val1 as a value variable for ultrasonic sensor
12int val2; //val1 as a  value variable for ultrasonic sensor
13byte SpaceA[] = //Custom character to indicate  a free spot
14{
15  0b11111,
16  0b10001,
17  0b10011,
18  0b10111,
19  0b11111,
20  0b10011,
21  0b10011,
22  0b10011
23};
24byte SpaceB[] = //Custom character  to indicate a free spot
25{
26  0b11111,
27  0b10001,
28  0b11001,
29  0b11101,
30  0b11111,
31  0b11001,
32  0b11001,
33  0b11001
34};
35byte SpaceC[] = //Custom  character to indicate a free spot
36{
37  0b10011,
38  0b10011,
39  0b10011,
40  0b10011,
41  0b10000,
42  0b10000,
43  0b10000,
44  0b11111
45};
46byte  SpaceD[] = //Custom character to indicate a free spot
47{
48  0b11001,
49  0b11001,
50  0b11001,
51  0b11001,
52  0b00001,
53  0b00001,
54  0b00001,
55  0b11111
56};
57byte  NoSpaceA[] = //Custom character to indicate a occupied spot
58{
59  0b11111,
60  0b10000,
61  0b10000,
62  0b11000,
63  0b11100,
64  0b11110,
65  0b10111,
66  0b10011
67};
68byte NoSpaceB[] = //Custom character to indicate a occupied spot
69{
70  0b11111,
71  0b00001,
72  0b00001,
73  0b00011,
74  0b00111,
75  0b01111,
76  0b11101,
77  0b11001
78};
79byte NoSpaceC[] = { //Custom character to indicate  a occupied spot
80  0b10011,
81  0b10111,
82  0b11110,
83  0b11100,
84  0b11000,
85  0b10000,
86  0b10000,
87  0b11111
88};
89byte NoSpaceD[] = { //Custom character  to indicate a occupied spot
90  0b11001,
91  0b11101,
92  0b01111,
93  0b00111,
94  0b00011,
95  0b00001,
96  0b00001,
97  0b11111
98};
99void setup() {
100  lcd.init(); //Starts the display
101  lcd.backlight(); //Turns on the display  backlight
102  //Create the custom characters
103  lcd.createChar(1, SpaceA);
104  lcd.createChar(2, SpaceB);
105  lcd.createChar(3, SpaceC);
106  lcd.createChar(4,  SpaceD);
107  lcd.createChar(5, NoSpaceA);
108  lcd.createChar(6, NoSpaceB);
109  lcd.createChar(7, NoSpaceC);
110  lcd.createChar(8, NoSpaceD);
111  //Define all  LEDs as Output
112  pinMode(ledOccupied1, OUTPUT);
113  pinMode(ledFree1, OUTPUT);
114  pinMode(ledOccupied2, OUTPUT);
115  pinMode(ledFree2, OUTPUT);
116}
117
118void  loop() {
119  //Value variables will store all informations from the sensors
120  val1 = ultrasonic1.Ranging(CM);
121  val2 = ultrasonic2.Ranging(CM);
122  //If  the first spot is occupied
123  if ((val1 < 10) && (val2 > 10)) {
124    digitalWrite(ledOccupied1,  HIGH);
125    digitalWrite(ledFree1, LOW);
126    digitalWrite(ledOccupied2, LOW);
127    digitalWrite(ledFree2, HIGH);
128    lcd.clear();
129    lcd.write(5);
130    lcd.setCursor(1,  0);
131    lcd.write(6);
132    lcd.setCursor(0, 1);
133    lcd.write(7);
134    lcd.setCursor(1,  1);
135    lcd.write(8);
136    lcd.setCursor(7, 0);
137    lcd.write(1);
138    lcd.setCursor(8,  0);
139    lcd.write(2);
140    lcd.setCursor(7, 1);
141    lcd.write(3);
142    lcd.setCursor(8,  1);
143    lcd.write(4);
144    delay(500);
145  }
146  //If the second spot is  occupied
147  else if ((val1 > 10) && (val2 < 10)) {
148    digitalWrite(ledOccupied1,  LOW);
149    digitalWrite(ledFree1, HIGH);
150    digitalWrite(ledOccupied2, HIGH);
151    digitalWrite(ledFree2, LOW);
152    lcd.clear();
153    lcd.write(1);
154    lcd.setCursor(1,  0);
155    lcd.write(2);
156    lcd.setCursor(0, 1);
157    lcd.write(3);
158    lcd.setCursor(1,  1);
159    lcd.write(4);
160    lcd.setCursor(7, 0);
161    lcd.write(5);
162    lcd.setCursor(8,  0);
163    lcd.write(6);
164    lcd.setCursor(7, 1);
165    lcd.write(7);
166    lcd.setCursor(8,  1);
167    lcd.write(8);
168    delay(500);
169  }
170  //If the first and second  spots are free
171  else if ((val1 > 10) && (val2 > 10)) {
172    digitalWrite(ledOccupied1,  LOW);
173    digitalWrite(ledFree1, HIGH);
174    digitalWrite(ledOccupied2, LOW);
175    digitalWrite(ledFree2, HIGH);
176    lcd.clear();
177    lcd.write(1);
178    lcd.setCursor(1,  0);
179    lcd.write(2);
180    lcd.setCursor(0, 1);
181    lcd.write(3);
182    lcd.setCursor(1,  1);
183    lcd.write(4);
184    lcd.setCursor(7, 0);
185    lcd.write(1);
186    lcd.setCursor(8,  0);
187    lcd.write(2);
188    lcd.setCursor(7, 1);
189    lcd.write(3);
190    lcd.setCursor(8,  1);
191    lcd.write(4);
192    delay(500);
193  }
194  //If the first and second  spots are occupied
195  else if ((val1 < 10) && (val2 < 10)) {
196    digitalWrite(ledOccupied1,  HIGH);
197    digitalWrite(ledFree1, LOW);
198    digitalWrite(ledOccupied2, HIGH);
199    digitalWrite(ledFree2, LOW);
200    lcd.clear();
201    lcd.write(5);
202    lcd.setCursor(1,  0);
203    lcd.write(6);
204    lcd.setCursor(0, 1);
205    lcd.write(7);
206    lcd.setCursor(1,  1);
207    lcd.write(8);
208    lcd.setCursor(7, 0);
209    lcd.write(5);
210    lcd.setCursor(8,  0);
211    lcd.write(6);
212    lcd.setCursor(7, 1);
213    lcd.write(7);
214    lcd.setCursor(8,  1);
215    lcd.write(8);
216    delay(500);
217  }
218  else {
219    lcd.clear();
220    digitalWrite(ledOccupied1, LOW);
221    digitalWrite(ledFree1, LOW);
222    digitalWrite(ledOccupied2,  LOW);
223    digitalWrite(ledFree2, LOW);
224  }
225}