Accident Detection and Messaging System Using GSM and GPS

1#include<LiquidCrystal.h>
2LiquidCrystal lcd(2,3,4,5,6,7);
3
4#define  vibrate_sense 9
5
6char str[70];
7char *test="$GPGGA";      
8char logitude[10];
9char  latitude[10];
10
11int i,j,k;
12int temp;
13//int Ctrl+z=26;    //for sending  msg
14int led=13;
15
16void setup()
17{
18  lcd.begin(16,2);
19  Serial.begin(4800);
20  pinMode(vibrate_sense, INPUT);
21  pinMode(led, OUTPUT);
22  lcd.setCursor(0,0);
23  lcd.print("GPS Besed Vehicle ");
24  lcd.setCursor(0,1);
25  lcd.print("Tracking  System");
26  delay(3000);
27}
28
29void loop()
30{
31  if (digitalRead(vibrate_sense)==0)
32  {
33    for(i=18;i<27;i++)          //extract latitude from string
34    {
35      latitude[j]=str[i];
36      j++;
37    }
38   
39    for(i=30;i<40;i++)          //extract longitude from string
40    {
41      logitude[k]=str[i];
42      k++;
43    }
44   
45    lcd.setCursor(0,0);        //display latitude  and longitude on 16X2 lcd display 
46    lcd.print("Lat(N)");
47    lcd.print(latitude);
48    lcd.setCursor(0,1);
49    lcd.print("Lon(E)");
50    lcd.print(logitude);
51    delay(100);
52    Serial.begin(9600);
53    Serial.println("AT+CMGF=1");    //select text mode
54    delay(10);
55    Serial.println("AT+CMGS=\\"9610126059\\"");  // enter receipent number
56    Serial.println("Vehicle Accident Happend at  Place:");
57    Serial.print("Latitude(N): ");             //enter latitude  in msg
58    Serial.println(latitude);                  //enter latitude value  in msg
59    Serial.print("Longitude(E): ");            //enter Longitude in  Msg
60    Serial.println(logitude);                  //enter longitude value in  msg
61    Serial.print("Help Please");
62    Serial.write(26);                      //send  msg  Ctrl+z=26
63    temp=0;
64    i=0;
65    j=0;
66    k=0;
67    delay(20000);                        // next reading within 20 seconds
68    Serial.begin(4800);
69  }
70}
71
72void serialEvent()
73{
74  while (Serial.available())            //Serial  incomming data from GPS
75  {
76    char inChar = (char)Serial.read();
77     str[i]=  inChar;                    //store incomming data from GPS to temparary string str[]
78     i++;
79     if (i < 7)                      
80     {
81      if(str[i-1]  != test[i-1])         //check for right string
82      {
83        i=0;
84      }
85     }
86    if(i >=60)
87    {
88     break;
89    }
90  }
91}