#include <Arduino.h>
#include <WiFi.h>
#include <FirebaseESP32.h>
// Provide the token generation process info.
#include <addons/TokenHelper.h>
// Provide the RTDB payload printing info and other helper functions.
#include <addons/RTDBHelper.h>
/* 1. Define the WiFi credentials */
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
// For the following credentials, see examples/Authentications/SignInAsUser/EmailPassword/EmailPassword.ino
/* 2. Define the API Key */
#define API_KEY "jlJYoDNpZBiWdiRT3VCVmXF4vRbVtJdkgy53csdE"
/* 3. Define the RTDB URL */
#define DATABASE_URL "mygo-161705.firebaseio.com" //<databaseName>.firebaseio.com or <databaseName>.<region>.firebasedatabase.app
/* 4. Define the user Email and password that alreadey registerd or added in your project */
#define USER_EMAIL "USER_EMAIL"
#define USER_PASSWORD "USER_PASSWORD"
// Define Firebase Data object
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;
unsigned long sendDataPrevMillis = 0;
unsigned long count = 0;
void setup()
{
Serial.begin(115200);
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
Serial.print("Connecting to Wi-Fi");
while (WiFi.status() != WL_CONNECTED)
{
Serial.print(".");
delay(300);
}
Serial.println();
Serial.print("Connected with IP: ");
Serial.println(WiFi.localIP());
Serial.println();
Serial.printf("Firebase Client v%s\n\n", FIREBASE_CLIENT_VERSION);
/* Assign the api key (required) */
config.api_key = API_KEY;
/* Assign the user sign in credentials */
//auth.user.email = USER_EMAIL;
//auth.user.password = USER_PASSWORD;
/* Assign the RTDB URL (required) */
config.database_url = DATABASE_URL;
/* Assign the callback function for the long running token generation task */
config.token_status_callback = tokenStatusCallback; // see addons/TokenHelper.h
// Comment or pass false value when WiFi reconnection will control by your code or third party library e.g. WiFiManager
Firebase.reconnectNetwork(true);
// Since v4.4.x, BearSSL engine was used, the SSL buffer need to be set.
// Large data transmission may require larger RX buffer, otherwise connection issue or data read time out can be occurred.
fbdo.setBSSLBufferSize(4096 /* Rx buffer size in bytes from 512 - 16384 */, 1024 /* Tx buffer size in bytes from 512 - 16384 */);
Firebase.begin(&config, &auth);
}
void loop()
{
// Firebase.ready() should be called repeatedly to handle authentication tasks.
if (Firebase.ready() && (millis() - sendDataPrevMillis > 5000 || sendDataPrevMillis == 0))
{
sendDataPrevMillis = millis();
FirebaseJson json;
json.setDoubleDigits(3);
json.add("value", count);
Serial.printf("Set json... %s\n", Firebase.setJSON(fbdo, "/test/json", &json) ? "ok" : fbdo.errorReason().c_str());
Serial.printf("Get json... %s\n", Firebase.getJSON(fbdo, "/test/json") ? fbdo.to<FirebaseJson>().raw() : fbdo.errorReason().c_str());
count++;
}
}