Project_15054

#include <TinyGPSPlus.h>
#include <SoftwareSerial.h>

int state = 0;
int counter = 0;
static const int button_pin = 4;
static const int RXPin = 6, TXPin = 5;
static const uint32_t GPSBaud = 9600;

String stringMessage = "";
String lonGPS = "";
String latGPS = "";
char Buf[70];

TinyGPSPlus gps;
SoftwareSerial ss(RXPin, TXPin);

void setup() {
  Serial.begin(9600);
  Serial.println("Starting...");
  pinMode(button_pin, INPUT);
  a9g_init();
  Serial.println("Setup Executed");
}

void loop() {
  smartDelay(2000);//read GPS Data
  Serial.println(gps.location.lat(),6);
  state = digitalRead(button_pin);
  Serial.println(state);
  if (state == 0) {
    counter++;
    delay(500);
    if (counter > 5) {
      a9g_loop();//read GPS data and Send SMS
      counter = 0;
    }
  }
  else {
    counter = 0;
  }
}


static void smartDelay(unsigned long ms) {
  unsigned long start = millis();
  do
  {
    while (ss.available())
      gps.encode(ss.read());
  } while (millis() - start < ms);
}

void send_gps_data() {
  if (gps.location.lat() == 0 || gps.location.lng() == 0) {
    Serial.println("Return Executed");
    //21.913677,39.263130
    ///////////////////////////////////////////////////////////////////////////////////////
    Serial.println("Sending Message");
    ss.println("AT+CMGF=1\r");
    delay(1000);
    ss.println("AT+CNMI=2,2,0,0,0\r");
    delay(1000);
    ss.print("AT+CMGS=\"+966544092008\"\r");//Replace this with your mobile number
    delay(1000);
    ss.print("[SOS] Please Help me I'm at this location: ");
    ss.print("http://www.google.com/maps/place/21.913677,39.263130");
    ss.write(0x1A);
    delay(1000);
    stringMessage = "";
    ///////////////////////////////////////////////////////////////////////////////////////
    return;
  }
  lonGPS = String(gps.location.lng(), 6);
  latGPS = String(gps.location.lat(), 6);
  Serial.print("Lat: ");
  Serial.print(latGPS);
  Serial.print(F(","));
  Serial.print("Lng: ");
  Serial.print(lonGPS);
  Serial.println();
  stringMessage = "http://www.google.com/maps/place/" + latGPS + "," + lonGPS;
  stringMessage.toCharArray(Buf, 70);
  ///////////////////////////////////////////////////////////////////////////////////////
  Serial.println("Sending Message");
  ss.println("AT+CMGF=1\r");
  delay(1000);
  ss.println("AT+CNMI=2,2,0,0,0\r");
  delay(1000);
  ss.print("AT+CMGS=\"+966544092008\"\r");//Replace this with your mobile number
  delay(1000);
  ss.print("[SOS] Please Help me I'm at this location: ");
  ss.print(Buf);
  ss.write(0x1A);
  delay(1000);
  stringMessage = "";
  ///////////////////////////////////////////////////////////////////////////////////////

}

void a9g_init() {
  ss.begin(GPSBaud);
  ss.println("\r");
  ss.println("AT\r");
  delay(10);
  ss.println("\r");
  ss.println("AT+GPS=1\r");
  delay(100);
  ss.println("AT+CREG=2\r");
  delay(6000);
  //ss.print("AT+CREG?\r");
  ss.println("AT+CGATT=1\r");
  delay(6000);
  ss.println("AT+CGDCONT=1,\"IP\",\"WWW\"\r");
  delay(6000);
  // ss.println("AT+LOCATION=1\r");
  ss.println("AT+CGACT=1,1\r");
  delay(6000);
  //Initialize ends
  //Initialize GPS
  ss.println("\r");
  ss.println("AT+GPS=1\r");
  delay(1000);
  //ss.println("AT+GPSMD=1\r");   // Change to only GPS mode from GPS+BDS, set to 2 to revert to default.
  ss.println("AT+GPSRD=10\r");
  delay(100);
  // set SMS mode to text mode
  ss.println("AT+CMGF=1\r");
  delay(1000);
  //ss.println("AT+LOCATION=2\r");
}

void a9g_loop() {
  if (millis() > 5000 && gps.charsProcessed() < 10)
    Serial.println(F("No GPS data received: check wiring"));
  send_gps_data();//Send SMS with Location Data
}