Vehicle Position Tracking System

#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <SparkFun_ADXL345.h>

static const int RXPin = 0, TXPin = 2;   // GPIO 4=D2(conneect Tx of GPS) and GPIO 5=D1(Connect Rx of GPS
static const uint32_t GPSBaud = 9600;

#define Addr 0x53

int buzz=D6;
int led = D7;
const uint8_t scl = D1; //D5
const uint8_t sda = D2; //D6
ADXL345 adxl = ADXL345();//if Baud rate 9600 didn't work in your case 0then use 4800

TinyGPSPlus gps; // The TinyGPS++ object
WidgetMap myMap(V8);  // V0 for virtual pin of Map Widget

SoftwareSerial ss(RXPin, TXPin);  // The serial connection to the GPS device

BlynkTimer timer;
     //Variable  to store the speed      //Variable to store no. of satellites response
String direc;  //Variable to store orientation or direction of GPS

char auth[] = "7d81ed3031614e37be9dcaa5ef75c86d";              //Your Project authentication key
char ssid[] = "diksha";                                       // Name of your network (HotSpot or Router name)
char pass[] = "diksha19";                                      // Corresponding Password




//unsigned int move_index;         // moving index, to be used later
unsigned int move_index = 1;  
int adcPin = A0;
float temperature;
//SimpleTimer timer;// fixed location for now
/* HC-SR501 Motion Detector */
 //Place to store read PIR Value
#define XValue                  V0
#define YValue                  V1
#define ZValue                  V2
#define VIRTUAL_LCD             V3

WidgetLCD lcd(VIRTUAL_LCD);

void checkGPS(){
  if (gps.charsProcessed() < 10)
  {
    Serial.println(F("No GPS detected: check wiring."));
      Blynk.virtualWrite(V4, "GPS ERROR");  // Value Display widget  on V4 if GPS not detected
  }
}
void sendReadings()
{
  Blynk.virtualWrite(10, temperature); // virtual pin 10
}
void refreshTime()
{
  long uptime = millis() / 60000L;

  // Output the following every minute:
  lcd.clear();                              // Clear LCD Screen on Blynk
  lcd.print(0, 0, "  ACCIDENT ");     // Outputs Application Name
  lcd.print(0, 1, " DETECTION ");
}

void setup()
{
  Serial.begin(115200);
  Serial.println();
  ss.begin(GPSBaud);
  Blynk.begin(auth, ssid, pass);
 
  
  timer.setInterval(5000L, checkGPS); 
  timer.setInterval(1000L, sendReadings);
  while (Blynk.connect() == false) {        // Be patient. 
                                            // Wait for Blynk to come online   
  }

  // Notify immediately on startup
  Blynk.notify("Device Started");           // Notification to smartphone

  // Setup a function to be called every minute
  //timer.setInterval(60000L, refreshTime);

  adxl.powerOn();                     // Power on the ADXL345

  adxl.setRangeSetting(8);            // Give the range settings
//  Blynk.virtualWrite(buzzer, LOW); 
   pinMode(buzz, OUTPUT);
   pinMode(led, OUTPUT);
   
lcd.clear();
  lcd.print(0, 0, "  ACCIDENT  ");
  lcd.print(0, 1, "DETECTION");
}
  


  
void loop()
{
    Blynk.run();
    int x,y,z;   
  adxl.readAccel(&x, &y, &z);         // Read the accelerometer values in variables x,y,z

  // Write the values to Blynk:
  Serial.println(x);
  Blynk.virtualWrite(V0, x);
  
  Serial.println(y);
  Blynk.virtualWrite(V1, y);
  Serial.println(z);
  Blynk.virtualWrite(V2, z);
  

  if((x >= -2 ) & (x <= 10) & ((y>=50) &(y<=70)))
{
   lcd.clear();
  lcd.print(0, 0, "  NORMAL  ");
   
   delay(100);
   digitalWrite(buzz,LOW);
   digitalWrite(led,LOW);
   
}
if(((x>=-50) & (x<=-10)) & ((y>=10) & (y<=40)))

{
   lcd.clear();
  lcd.print(0, 0, "  RIGHT  ");
  lcd.print(0, 1, " ACCIDENT ");
   
//   Blynk.virtualWrite(buzzer, HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0, 0, "  ARE YOU OKAY? ");
  delay(100);
  lcd.print(0, 0, "  PRESS RST ");
  lcd.print(0, 1, " SWITCH ");
  delay(2000);
  lcd.print(0,0,"  LEFT  ");
  lcd.print(0,1,"ACCIDENT");
  lcd.clear();
  Blynk.notify("HELP! ADDIDENT OCCURED");
}
if(((x>=10)&(x<=60))&((y>=30)&(y<=60)))
{
  lcd.clear();
  lcd.print(0, 0, "  LEFT");
  lcd.print(0, 1, " ACCIDENT ");
//   Blynk.virtualWrite(buzzer, HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0,0,"ARE YOU OKAY?");
  delay(100);
  lcd.print(0, 0, "  PRESS RST");
  lcd.print(0, 1, "   SWITCH   ");
  delay(2000);
  lcd.clear();
   lcd.print(0, 0,"RIGHT ");
  
  lcd.print(0,1,"ACCIDENT");
  
  Blynk.notify("HELP! ADDIDENT OCCURED");
  
  
 
}
if(((x>=0)&(x<=2))&((y>=40)&(y<=60)))

{lcd.clear();
  lcd.print(0, 0, "  FRONT");
  lcd.print(0, 1, " ACCIDENT ");
//   Blynk.virtualWrite(buzzer, HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0,0,"ARE YOU OKAY?");
  delay(100);
  lcd.print(0, 0, "  PRESS RST");
  lcd.print(0, 1, " SWITCH ");
  delay(2000);
  lcd.clear();
   lcd.print(0, 0,"FRONT");
  
  lcd.print(0,1,"ACCIDENT");
  
  Blynk.notify("HELP! ADDIDENT OCCURED");
  
  
}

if(((x>=-2)&(x<=3))&((y>=50)&(y<=60)))
{
 lcd.clear();
  lcd.print(0, 0, "  BACK");
  lcd.print(0, 1, " ACCIDENT ");
 //  Blynk.virtualWrite(buzzer, HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0,0,"ARE YOU OKAY?");
  delay(100);
  lcd.print(0, 0, "  PRESS RST");
  lcd.print(0, 1, " SWITCH ");
  delay(2000);
  lcd.clear();
   lcd.print(0, 0,"BACK");
  
  lcd.print(0,1,"ACCIDENT");
  
  Blynk.notify("HELP! ADDIDENT OCCURED");
  
}
   
    while (ss.available() > 0) 
    {
      // sketch displays information every time a new sentence is correctly encoded.
      if (gps.encode(ss.read()))
        displayInfo();
  }
  
  timer.run();
  unsigned int adcValue = analogRead(adcPin);
  temperature = adcValue * 330 / 1024; // 3.3 VREF, 10-bit ADC, 10mV = 1 degree Celsius

  // Just for debugging
  if (millis() % 1000 == 0) {
    Serial.print("ADC value: ");
    Serial.print(adcValue);
    Serial.print("; Current temperature (Celsius): ");
    Serial.println(temperature);
  }
}





void displayInfo()
{ 

  if (gps.location.isValid() ) 
  {
    
    float latitude = (gps.location.lat());     //Storing the Lat. and Lon. 
    float longitude = (gps.location.lng()); 
    
    Serial.print("LAT:  ");
    Serial.println(latitude, 6);  // float to x decimal places
    Serial.print("LONG: ");
    Serial.println(longitude, 6);
    Blynk.virtualWrite(V5, String(latitude, 6));   
    Blynk.virtualWrite(V6, String(longitude, 6));  
    myMap.location(move_index, latitude, longitude, "GPS_Location");
   
Serial.println();
}