ARDUINO Alarm 1.0

1#include <Keypad.h>
2
3char* password = "123";  // change the password  here, just pick any 3 numbers
4int possition = 0;
5const byte ROWS = 4;
6const  byte COLS = 4;
7char keys[ROWS][COLS] = {
8{'1','2','3','A'},
9{'4','5','6','B'},
10{'7','8','9','C'},
11{'*','0','#','D'}
12};
13
14byte  rowPins[ROWS] = { 7, 9, 8, 7 };
15byte colPins[COLS] = { 6, 5, 4, 3 };
16Keypad  keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
17
18
19
20int  pir = 2;
21int led = 12;
22int sttate = 0;
23int rep = 11;
24int alarm = 0;
25int  ledZ = 13;
26
27void setup(){
28pinMode(2,INPUT_PULLUP);
29pinMode(13,OUTPUT);
30pinMode(11,OUTPUT);
31pinMode(12,OUTPUT);
32Serial.begin(9600);
33LockedPosition(true);
34}
35
36void  loop(){
37char key = keypad.getKey();
38  if (possition == 0)
39    {
40    LockedPosition(true);
41}
42if  (key == '*' || key == '#')
43{
44possition = 0;
45  }
46
47if (key == password[possition])
48{
49possition  ++;
50}
51if (possition == 3)
52{
53LockedPosition(false);
54}
55delay(100);
56}
57void  LockedPosition(int locked)
58{
59if (locked){
60sttate = digitalRead(pir);
61if  (sttate == HIGH)
62  {
63  alarm = 1;  
64    }
65if (alarm == 1 )  
66 {
67  digitalWrite(led,HIGH);
68    analogWrite(rep,80);
69  }
70  
71  Serial.println(sttate);
72}
73else  {
74    digitalWrite(led,LOW);
75    analogWrite(rep,0);
76  alarm = 0;
77  LockedPosition(true);  
78  digitalWrite(ledZ,HIGH);
79  delay(500);
80  digitalWrite(ledZ,LOW);
81  delay(500);
82  digitalWrite(ledZ,HIGH);
83  delay(500);
84  digitalWrite(ledZ,LOW);
85  delay(500);
86  digitalWrite(ledZ,HIGH);
87  delay(500);
88  digitalWrite(ledZ,LOW);
89  digitalWrite(ledZ,HIGH);
90  delay(500);
91  digitalWrite(ledZ,LOW);
92  digitalWrite(ledZ,HIGH);
93  delay(500);
94  digitalWrite(ledZ,LOW);
95  digitalWrite(ledZ,HIGH);
96  delay(500);
97  digitalWrite(ledZ,LOW);
98  digitalWrite(ledZ,HIGH);
99  delay(500);
100  digitalWrite(ledZ,LOW);
101  digitalWrite(ledZ,HIGH);
102  delay(500);
103  digitalWrite(ledZ,LOW);
104  }
105  }