Arduino ESP32 GPS and Ring

#include <WiFi.h>
#include <HTTPClient.h>
#include <TinyGPSPlus.h>
#include <HardwareSerial.h>
#include <WiFiClientSecure.h>
#include <UniversalTelegramBot.h>

// WiFi credentials
const char* ssid = "hotspot saya"; // Replace with your WiFi SSID
const char* password = "kingsoonkit"; // Replace with your WiFi password

// Define RX2 and TX2 pins for GPS
#define RX2_PIN 16  // GPIO16 is RX2
#define TX2_PIN 17  // GPIO17 is TX2

// Create a TinyGPS++ object
TinyGPSPlus gps;

// Create a hardware serial object for UART2
HardwareSerial gpsSerial(2);

// Telegram Bot Token (from BotFather)
const char* BOT_TOKEN = "8051448663:AAG1ToDwVeXPaPi7nrCLb2WufkxLGnK7JVU";

// Chat ID (your Telegram user ID)
const char* CHAT_ID = "-4738772667"; // Replace with your chat ID

// Create WiFi and Telegram bot objects
WiFiClientSecure client;
UniversalTelegramBot bot(BOT_TOKEN, client);

// API endpoint for location and GPS updates
const char* serverURL = "http://192.168.121.225/e-bike/save_location.php";
const char* serverURLGPS = "https://etourmersing.com/Ebike_API/save_location.php";

// Ring API endpoint
const char* apiUrl = "https://etourmersing.com/Ebike_API/ring.php?endpoint=command"; // Command endpoint for Ring functionality

// Global variables to store GPS data
String latitude = "N/A";
String longitude = "N/A";
int count = 0;

void setup() {
    // Initialize serial communication for debugging
    Serial.begin(115200);
    Serial.println("Initializing GPS module...");

    // Initialize UART2 for GPS communication
    gpsSerial.begin(9600, SERIAL_8N1, RX2_PIN, TX2_PIN);

    // Connect to WiFi
    Serial.print("Connecting to WiFi...");
    WiFi.begin(ssid, password);
    while (WiFi.status() != WL_CONNECTED) {
        delay(1000);
        Serial.print(".");
    }
    Serial.println("\nConnected!");
    Serial.println("IP Address: " + WiFi.localIP().toString());
}

void loop() {
    // Handle GPS updates
    while (gpsSerial.available() > 0) {
        char c = gpsSerial.read();
        if (gps.encode(c)) { // Feed the GPS data to TinyGPS++
            if (gps.location.isValid()) {
                latitude = String(gps.location.lat(), 6);
                longitude = String(gps.location.lng(), 6);

                // Display the location in the Serial Monitor
                Serial.print("Latitude: ");
                Serial.print(latitude);
                Serial.print(" Longitude: ");
                Serial.println(longitude);

                String message = "GPS Connected!! Latitude = " + latitude + " Longitude = " + longitude;
                bot.sendMessage(CHAT_ID, message, "");

                // Send data to server
                sendToServer(latitude, longitude);
                testArduinoConnection(latitude, longitude, "Riding");
            } else {
                Serial.println("Waiting for GPS signal...");
                client.setInsecure();
                String message = "GPS Signal...";
                bot.sendMessage(CHAT_ID, message, "");
            }
        }

        count = count + 1;
        if (count > 2000) {
            count = 0;
        }
    }

    if (gpsSerial.available() == 0) {
        Serial.println("No GPS");
        String message = "GPS still not connected!";
        bot.sendMessage(CHAT_ID, message, "");
    }

    // Poll the API for Ring command
    pollRingCommand();

    delay(5000); // Delay to control loop frequency
}

void sendToServer(String lat, String lng) {
    if (WiFi.status() == WL_CONNECTED) {
        HTTPClient http;

        http.begin(serverURL);
        http.addHeader("Content-Type", "application/x-www-form-urlencoded");
        String payload = "bike_id=B25001&latitude=" + lat + "&longitude=" + lng;

        int httpResponseCode = http.POST(payload);

        if (httpResponseCode > 0) {
            String response = http.getString();
            Serial.println("Location Response: " + response);
            String message = "Location sent!";
            bot.sendMessage(CHAT_ID, message, "");
        } else {
            Serial.println("Error sending Location data: " + String(httpResponseCode));
            String message = "Location not sent to database!";
            bot.sendMessage(CHAT_ID, message, "");
        }

        http.end();
    } else {
        Serial.println("WiFi not connected!");
    }
}

void testArduinoConnection(String lat, String lng, String status) {
    if (WiFi.status() == WL_CONNECTED) {
        HTTPClient http;

        http.begin(serverURLGPS);
        http.addHeader("Content-Type", "application/x-www-form-urlencoded");
        String payload = "bike_id=B25001&latitude=" + lat + "&longitude=" + lng;

        int httpResponseCode = http.POST(payload);

        if (httpResponseCode > 0) {
            String response = http.getString();
            Serial.println("Server Response: " + response);
            String message = "Location sent to hosting!";
            bot.sendMessage(CHAT_ID, message, "");
        } else {
            Serial.println("Error sending data: " + String(httpResponseCode));
            String message = "Failed to connect hosting";
            bot.sendMessage(CHAT_ID, message, "");
        }

        http.end();
    } else {
        Serial.println("WiFi not connected!");
    }
}

void pollRingCommand() {
    if (WiFi.status() == WL_CONNECTED) {
        HTTPClient http;

        http.begin(apiUrl);
        int httpResponseCode = http.GET();

        if (httpResponseCode == HTTP_CODE_OK) {
            String payload = http.getString();
            Serial.println("Command received: " + payload);

            // Trigger the buzzer if the "ring" command is received
            if (payload.indexOf("ring") != -1) {
                Serial.println("Bike is ringing!");
                // Add buzzer code here if needed
            }
        } else {
            Serial.println("Failed to fetch command. HTTP code: " + String(httpResponseCode));
        }

        http.end();
    } else {
        Serial.println("WiFi not connected!");
    }
}