http://circuitdigest.com/microcontroller-projects/vehicle-tracking-system-using-arduino-gps-and-gsm
Arduino와 Mobile 사이에 GSM모듈이 필요하다.
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#include<LiquidCrystal.h>
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);
#include <SoftwareSerial.h>
SoftwareSerial gps(10,11); // RX, TX
//String str="";
char str[70];
String gpsString="";
char *test="$GPGGA";
String latitude="No Range ";
String longitude="No Range ";
int temp=0,i;
boolean gps_status=0;
void setup()
{
lcd.begin(16,2);
Serial.begin(9600);
gps.begin(9600);
lcd.print("Vehicle Tracking");
lcd.setCursor(0,1);
lcd.print(" System ");
delay(2000);
gsm_init();
lcd.clear();
Serial.println("AT+CNMI=2,2,0,0,0");
lcd.print("GPS Initializing");
lcd.setCursor(0,1);
lcd.print(" No GPS Range ");
get_gps();
delay(2000);
lcd.clear();
lcd.print("GPS Range Found");
lcd.setCursor(0,1);
lcd.print("GPS is Ready");
delay(2000);
lcd.clear();
lcd.print("System Ready");
temp=0;
}
void loop()
{
serialEvent();
if(temp)
{
get_gps();
tracking();
}
}
void serialEvent()
{
while(Serial.available())
{
if(Serial.find("Track Vehicle"))
{
temp=1;
break;
}
else
temp=0;
}
}
void gpsEvent()
{
gpsString="";
while(1)
{
while (gps.available()>0) //checking serial data from GPS
{
char inChar = (char)gps.read();
gpsString+= inChar; //store data from GPS into gpsString
i++;
if (i < 7)
{
if(gpsString[i-1] != test[i-1]) //checking for $GPGGA sentence
{
i=0;
gpsString="";
}
}
if(inChar=='\r')
{
if(i>65)
{
gps_status=1;
break;
}
else
{
i=0;
}
}
}
if(gps_status)
break;
}
}
void gsm_init()
{
lcd.clear();
lcd.print("Finding Module..");
boolean at_flag=1;
while(at_flag)
{
Serial.println("AT");
while(Serial.available()>0)
{
if(Serial.find("OK"))
at_flag=0;
}
delay(1000);
}
lcd.clear();
lcd.print("Module Connected..");
delay(1000);
lcd.clear();
lcd.print("Disabling ECHO");
boolean echo_flag=1;
while(echo_flag)
{
Serial.println("ATE0");
while(Serial.available()>0)
{
if(Serial.find("OK"))
echo_flag=0;
}
delay(1000);
}
lcd.clear();
lcd.print("Echo OFF");
delay(1000);
lcd.clear();
lcd.print("Finding Network..");
boolean net_flag=1;
while(net_flag)
{
Serial.println("AT+CPIN?");
while(Serial.available()>0)
{
if(Serial.find("+CPIN: READY"))
net_flag=0;
}
delay(1000);
}
lcd.clear();
lcd.print("Network Found..");
delay(1000);
lcd.clear();
}
void get_gps()
{
gps_status=0;
int x=0;
while(gps_status==0)
{
gpsEvent();
int str_lenth=i;
latitude="";
longitude="";
int comma=0;
while(x<str_lenth)
{
if(gpsString[x]==',')
comma++;
if(comma==2) //extract latitude from string
latitude+=gpsString[x+1];
else if(comma==4) //extract longitude from string
longitude+=gpsString[x+1];
x++;
}
int l1=latitude.length();
latitude[l1-1]=' ';
l1=longitude.length();
longitude[l1-1]=' ';
lcd.clear();
lcd.print("Lat:");
lcd.print(latitude);
lcd.setCursor(0,1);
lcd.print("Long:");
lcd.print(longitude);
i=0;x=0;
str_lenth=0;
delay(2000);
}
}
void init_sms()
{
Serial.println("AT+CMGF=1");
delay(400);
Serial.println("AT+CMGS=\"+91**********\""); // use your 10 digit cell no. here
delay(400);
}
void send_data(String message)
{
Serial.println(message);
delay(200);
}
void send_sms()
{
Serial.write(26);
}
void lcd_status()
{
lcd.clear();
lcd.print("Message Sent");
delay(2000);
lcd.clear();
lcd.print("System Ready");
return;
}
void tracking()
{
init_sms();
send_data("Vehicle Tracking Alert:");
send_data("Your Vehicle Current Location is:");
Serial.print("Latitude:");
send_data(latitude);
Serial.print("Longitude:");
send_data(longitude);
send_data("Please take some action soon..\nThankyou");
send_sms();
delay(2000);
lcd_status();
}
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