Motion Sensing Alarm With Keypad & Password

1#include <Keypad.h>                // library for keyboard
2#include   <Password.h>              // library for password
3
4Password password = Password(   "1234" );  // password
5
6const byte rows = 4;                     // four   rows       
7const byte cols = 4;                     // three columns
8char   keys[rows][cols] = {                // keys on keypad
9
10{'1','2','3','A'},
11{'4','5','6','B'},
12{'7','8','9','C'},
13{'*','0','#','D'},
14
15};
16
17byte   rowPins[rows] = {9,8,7,6};
18byte colPins[cols] = {5,4,3,2};
19Keypad keypad =   Keypad(makeKeymap(keys), rowPins, colPins, rows, cols);
20
21
22
23#define sensorz   A3      // pin for PIR sensor data
24//#define contact 0     // pin for on/off   alarm
25#define alrm 12      // pin for siren, buzzer
26#define redLed A2        //   pin for red led
27#define greenLed A0        // pin for green led
28#define   yellowLed A1    // pin for blue led
29int contact = 10;       //used to immediately   on/off alarm
30int val;
31int ledBlink;
32
33int sensorzData;
34unsigned long   ceas, timpmemorat;
35
36int intarziereactivare = 20;    // To delay for standby   to armed
37int intarzieredezactivare = 10; // To delay for triggered to alarm activated
38int   timpurlat = 10;             // Time of alarm is on
39
40// This is the variable   for states "0"
41char caz = 0;
42
43int sistem = 0;      // system is 0 for   off and 1 for on
44
45
46/*
47States for 
48
49  0. - off
50  1. - stand-by
51   2. - waitting
52  3. - countdown
53  4. - alarm
54  
55*/
56
57void setup()
58   {
59  keypad.addEventListener(keypadEvent); // an object is created for tracking   keystrokes
60  
61  Serial.begin(9600);  //Used for troubleshooting
62  pinMode(alrm,   OUTPUT);
63  pinMode(sensorz, INPUT);
64  pinMode(contact, INPUT);
65  pinMode(redLed,   OUTPUT);
66  pinMode(yellowLed, OUTPUT);
67  pinMode(greenLed, OUTPUT);
68  digitalRead(contact);
69   Serial.println("System startup"); //Used for troubleshooting
70  Serial.println("Alarm   button status:"); //used for troubleshooting
71  Serial.println(digitalRead(contact));   //used for troubleshooting
72  }
73
74void loop()
75  
76  {
77     
78  ceas   = millis();    // read the internal clock
79  val = digitalRead(contact);
80  
81keypad.getKey();
82   
83     
84    if (sistem%2 == 0)
85    {
86    // alarm is off
87    digitalWrite(greenLed,   LOW);
88    digitalWrite(redLed, LOW);
89    digitalWrite(yellowLed, HIGH);
90     //Serial.println(contact); //Used for troubleshooting
91
92    digitalWrite(alrm,   LOW);
93    caz = 0;
94   // Serial.println("System is OFF !"); // Used for   troubleshooting
95
96    }
97
98  else
99    {
100    // alarm is on
101    if(caz   == 0) 
102     {
103     caz = 1;
104     timpmemorat = ceas;
105     digitalWrite(yellowLed,   HIGH);
106     }
107
108    if(caz == 1)              // system waiting
109      {
110
111       if ((ceas%1000)<500) digitalWrite(greenLed, HIGH);
112      else digitalWrite(greenLed,   LOW);
113 keypad.getKey();
114      if(ceas >= timpmemorat + intarziereactivare   * 1000) {caz = 2;}
115      //Serial.println("System is arming !"); // Used for   troubleshooting
116      }
117      
118    if(caz == 2)              // system   is armed
119      {
120      digitalWrite(greenLed, HIGH); 
121 keypad.getKey();
122    
123      sensorzData = digitalRead(sensorz);  
124      //Serial.print("sensorzdData   = "); //Used for troubleshooting
125      //Serial.println(sensorzData); //Used   for troubleshooting
126   
127  //    if(sensorzData > 600) {caz = 3; timpmemorat   = ceas;}
128     if(sensorzData == HIGH)
129       {
130       caz = 3;
131       timpmemorat   = ceas;
132       digitalWrite(greenLed, LOW);
133       }
134      Serial.println("System   is armed !"); // Used for Troubleshooting
135      }
136
137    if(caz == 3)              //   system is triggered and countdown
138      {             
139
140      if ((ceas%500)<100)   digitalWrite(redLed, HIGH);
141      else digitalWrite(redLed, LOW);
142 keypad.getKey();
143       if(ceas >= timpmemorat + intarzieredezactivare * 10) {caz = 4; timpmemorat   = ceas;}
144      Serial.println("System is triggered and is countdown !"); //Used   for troubleshooting
145      }
146
147    if(caz == 4)              // siren (buzzer)   is active
148      {
149      //digitalWrite(alrm, HIGH);
150      digitalWrite(redLed,   HIGH);
151      Serial.println("Siren is active !"); //Used for troubleshooting
152
153
154//   For siren
155
156    //tone( 10, 10000, 100);  // Simple Alarm Tone
157    for(double   x = 0; x < 0.92; x += 0.01){  // Elegant Alarm Tone
158        tone(10, sinh(x+8.294),   10);
159        delay(1);
160        }   
161    
162      
163 keypad.getKey();       
164      if(ceas >= timpmemorat + timpurlat * 1000) {caz = 2; digitalWrite(alrm,   LOW); digitalWrite(redLed, LOW);}
165      }
166    }
167  }
168  
169  //take care   of some special events
170void keypadEvent(KeypadEvent eKey){
171  switch (keypad.getState()){
172     case PRESSED:
173  Serial.print("Pressed: ");
174  Serial.println(eKey);
175   switch (eKey){
176    case '*': checkPassword(); break;
177    case '#': password.reset();   break;
178    default: password.append(eKey);
179     }
180  }
181}
182
183  
184   void checkPassword(){
185  if (password.evaluate()){
186    Serial.println("Success");   //Used for troubleshooting
187  sistem++;
188  password.reset();
189    Serial.println("Disarmed");//Add   code to run if it works
190  }else{
191    Serial.println("Wrong"); //Used for   troubleshooting
192    //add code to run if it did not work
193    ledBlink = 0;
194     while (ledBlink <= 5){
195    digitalWrite(redLed, HIGH);
196    delay(100);
197     digitalWrite(redLed, LOW);
198    delay(100);
199    ledBlink++;
200    }
201     password.reset();
202  }
203}