GPS and GSM-Based Vehicle Tracking System Using Arduino

1#include<LiquidCrystal.h>
2LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
3char  str[70];
4char *test="$GPGGA";       
5char logitude[10];
6char latitude[10];
7int  i,j,k;
8int temp;
9int Ctrl+z=26;    //for sending msg
10void setup() 
11{
12  lcd.begin(16,2);
13  Serial.begin(9600);
14  lcd.setCursor(0,0);
15  lcd.print("GPS  Besed Vehicle ");
16  lcd.setCursor(0,1);
17  lcd.print("Tracking System");
18  delay(10000);
19}
20void loop() 
21{
22  if (temp==1) 
23  {
24    for(i=18;i<27;i++)          //extract latitude from string
25    {
26     latitude[j]=str[i];
27     j++;
28    }
29    for(i=30;i<40;i++)          //extract longitude from string
30    {
31    logitude[k]=str[i];
32     k++;
33    }
34    lcd.setCursor(0,0);        //display latitude and longitude on 16X2 lcd display  
35    lcd.print("Lat(N)");
36    lcd.print(latitude);
37    lcd.setCursor(0,1);
38    lcd.print("Lon(E)");
39    lcd.print(logitude);
40    delay(100);
41    Serial.println("AT+CMGF=1");    //select text mode
42    delay(10);
43    Serial.println("AT+CMGS=\\"9610126059\\"");  // enter receipent number
44    Serial.println();
45    Serial.print("Latitude(N):  ");             //enter latitude in msg
46    Serial.println(latitude);                  //enter  latitude value in msg
47    Serial.print("Longitude(E): ");            //enter  Longitude in Msg
48    Serial.println(logitude);                  //enter longitude  value in msg
49    Serial.write(Ctrl+z);                      //send msg  Ctrl+z=26
50    temp=0;
51    i=0;
52    j=0;
53    k=0;
54    delay(20000);                        //  next reading within 20 seconds
55  }
56}
57void serialEvent()
58{
59  while  (Serial.available())            //Serial incomming data from GPS 
60  {
61    char  inChar = (char)Serial.read(); 
62    str[i]= inChar;                  //store incomming  data from GPS to temparary string str[]
63     i++;
64     if (i < 7)                       
65     {
66      if(str[i-1] != test[i-1])         //check for right string
67      {
68        i=0; 
69      }
70     }
71    if(i >=60)
72    {
73     temp=1;
74    } 
75  }
76}
77
78