Coin Detector and Amount Counter

1/*
2  COIN DETECTOR amount counter USING INTERRUPT
3  DETEECT THE
4  COIN USING INFRARED LED
5  INTERRUPT PINS ARE CONNECTED TO THE CATHODE OF IR Recivers
6
7  USING ARDUINO MEGA 2560
8*/
9
10#include <LiquidCrystal.h>
11
12
13LiquidCrystal
14  lcd(30, 32, 34, 31, 33, 35, 37);
15const byte interruptPin1 = 21;
16const byte
17  interruptPin2 = 18;
18const byte interruptPin3 = 19;
19const byte interruptPin4
20  = 20;
21const byte interruptPin5 = 3;
22volatile int value10 = 0;
23volatile
24  int value5 = 0;
25volatile int value1 = 0;
26volatile int valueswitch = 0;
27volatile
28  int countOne = 0 ;
29volatile int countFive = 0;
30volatile int countTen = 0;
31volatile
32  int TOTAL=0;
33void setup() {
34  pinMode(interruptPin1, INPUT_PULLUP);
35  pinMode(interruptPin2,
36  INPUT_PULLUP);
37  pinMode(interruptPin3, INPUT_PULLUP);
38  pinMode(interruptPin4,
39  INPUT_PULLUP);
40  pinMode(interruptPin5, INPUT_PULLUP);
41  attachInterrupt(digitalPinToInterrupt(interruptPin1),
42  coinOne , RISING);
43  attachInterrupt(digitalPinToInterrupt(interruptPin2), coinFive
44  , RISING);
45  attachInterrupt(digitalPinToInterrupt(interruptPin3), coinTen ,
46  RISING);
47  attachInterrupt(digitalPinToInterrupt(interruptPin4), show_1_5, RISING);
48
49  attachInterrupt(digitalPinToInterrupt(interruptPin5), show_10, RISING);
50  lcd.begin(16,
51  2);
52  
53  lcd.print("COIN DETECTOR &");
54  lcd.setCursor(1, 1);
55  lcd.print("AMOUNT
56  COUNT");
57  delay(1200);
58  delay(1200);
59  delay(1200);
60  
61  lcd.begin(16,
62  2);
63  lcd.print("INSERT THE COIN");
64
65
66  Serial.begin(9600);
67  Serial.println("
68  ");
69  Serial.print("COIN DETECTOR , SORT & AMOUNT COUNTER ");
70}
71
72void
73  loop() {
74
75
76  delay(2000);
77  lcd.begin(16, 2);
78  lcd.print("INSERT
79  THE COIN");
80
81
82}
83
84/*
85
86  INTERRUPT SERVICE ROUTINE
87
88*/
89
90void
91  coinTen() {
92  countTen++;
93  value10 = (countTen * 10);
94  Serial.println("\
95");
96
97  Serial.println(" 10Rs coin = \
 ");
98  Serial.print(value10);
99  Serial.print("Rs");
100
101  Serial.println("\
102");
103
104
105}
106void coinFive() {
107  countFive++;
108
109  value5 = (countFive * 5);
110  Serial.println("\
111");
112  Serial.println("
113  5Rs coin = \
 ");
114  Serial.print(value5);
115  Serial.print("Rs");
116
117}
118
119void
120  coinOne() {
121  countOne++;
122  value1 = (countOne);
123  Serial.println("\
124");
125
126  Serial.println(" 1Rs coin = \
 ");
127  Serial.print(value1);
128  Serial.print("Rs");
129}
130void
131  show_1_5()
132{
133  Serial.println("\
134");
135  Serial.println("Number of 1Rs
136  coins =  \
 ");
137  Serial.print(countOne);
138  Serial.println("\
139");
140
141  Serial.println("TOTAL 1Rs COINS =  \
 ");
142  Serial.print(value1);
143  Serial.print("Rs");
144
145  Serial.println("\
146");
147  Serial.println("Number of 5Rs coins =  \
 ");
148
149  Serial.print(countFive);
150  Serial.println("\
151");
152  Serial.println("TOTAL
153  Rs COINS =  \
 ");
154  Serial.print(value5);
155  Serial.print("Rs");
156  //coin
157  of one Rs
158  lcd.begin(16, 2);
159  lcd.print("1Rs coin= ");
160  lcd.setCursor(11,
161  0);
162  lcd.print(value1);
163  // coin of five Rs
164  lcd.setCursor(0, 1);
165
166  lcd.print("5Rs coin =");
167  lcd.setCursor(11, 1);
168  lcd.print(value5);
169
170}
171void
172  show_10()
173{
174  Serial.println("\
175");
176  Serial.println("Number of 10Rs
177  coins =  \
 ");
178  Serial.print(countTen);
179  Serial.println("\
180");
181
182  Serial.println("TOTAL 10Rs COINS =  \
 ");
183  Serial.print(value10);
184
185  Serial.print("Rs");
186  //coin of 10Rs
187  lcd.begin(16, 2);
188  lcd.print("1Rs
189  coin= ");
190  lcd.setCursor(11, 0);
191  lcd.print(value10);
192  //TOTAL AMOUNT
193
194  TOTAL=(value1+value5+value10);
195  lcd.setCursor(0, 1);
196  lcd.print("TOTAL
197  =");
198  lcd.setCursor(11, 1);
199  lcd.print(TOTAL);
200   Serial.println("\
201");
202
203  Serial.println("TOTAL AMOUNT =  \
 ");
204  Serial.print(TOTAL);
205  Serial.print("Rs");
206}
207