How should I go about converting my project from the old firebase-arduino library to this new one?

[mhmdcs]

Hi! I'm new to working on Arduino and I've been having countless issues with the old firebase-arduino library which stopped writing data completely to firebase, and found out about this new library here. Our project submission (its meant to calculate water level using ultrasonic sensor and ESP8266) is in a few days and I'd truly appreciate help on how I should convert my project from the old library to this new one.

I've tried reading the examples and I'm confused on what changes should be made since they seem to be using a different way of authentication than database secret keys?

//importing all the necessary libraries, the ESP8266 MCU node wifi support library, the software serial, and the firebase implementation libraries to establish the connection between the ESP8266 and the Firebase database
#include <ESP8266WiFi.h>
#include <SoftwareSerial.h>
#include <FirebaseArduino.h>
#include <FirebaseHttpClient.h>

//set up firebase connection with link of the firebase databse  for FIREBASE_HOST and secret key authorization for FIREBASE_AUTH
#define FIREBASE_HOST "#####"
#define FIREBASE_AUTH "#####" //firebase database seceret key
//set up wifi connection
#define WIFI_SSID "#####" //wifi network name 
#define WIFI_PASSWORD "#####" //wifi password


//define pins for the ultrasonic sensor (trig and echo pins), and the variables for the water level calculations and data

String sensorData;
char rdata;
int trigPin = 2;
int echoPin = 14;
int firstVal;
long duration;int distance;


void setup() { //setup method only runs code once

  //establish a wirelesss connection between the MCUNode ESP8266 to the wifi network

    Serial.begin(9600);
  pinMode(trigPin, OUTPUT); //define trigger pin as output
  pinMode(echoPin, INPUT); //define echo pin as input


  //establish the wifi and firebase connection
pinMode(16, OUTPUT);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.print("connecting");
  while(WiFi.status() != WL_CONNECTED)
  {
    Serial.print(".");
    delay(500);
    }
  Serial.println();
  Serial.print("connected: ");
  Serial.println(WiFi.localIP());

  //begin the  firebase connection
  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
  Firebase.setInt("distance", 0);
}//end of setup method


//ultrasonic distance measurement logic
void loop() {//loop method is where the main code logic that's going to be repeated should be

//clear the trigPin
digitalWrite(trigPin, LOW);
delayMicroseconds(2);

//set the trigPin on HIGH state for 10µs (microseconds unit)
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);

//reads the echoPin and then returns the sound wave frequencies travel-time in microseconds 
duration = pulseIn(echoPin, HIGH);

//calculates the distance
distance= duration/58;

//prints the distance on the Ardunio IDE's serial monitor 
Serial.print("Distance: ");
Serial.println(distance);
Firebase.setInt("distance",distance);
delay(2000);

}//end of loop method

Edit: Apologies about posting this to the wrong place earlier. Thanks to whoever moved this to its correct place.

[mobizt]

You should read the main page (read me doc) for how to prepare to work with the library.

The database secret is outdated and will not work in the future. You should consider to work with the Firebase in the secure way which there are many docs from Google available which will give you the details about authentication and security rules.

If you still want to use the database secret, you can use the same method as in that library i.e. Firebase.begin("url","secret");

Or use the standard config and auth objects as in this example.

You should spend the time to play with examples and read the document.

The examples are ready to test and the comment in the examples show how to.

Firebase-ESP8266/examples/Basic/Basic.ino

Lines 27 to 41 in dedb7e9

	/* 1. Define the WiFi credentials */
	#define WIFI_SSID "WIFI_AP"
	#define WIFI_PASSWORD "WIFI_PASSWORD"
	//For the following credentials, see examples/Authentications/SignInAsUser/EmailPassword/EmailPassword.ino
	/* 2. Define the API Key */
	#define API_KEY "API_KEY"
	/* 3. Define the RTDB URL */
	#define DATABASE_URL "URL" //<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"

The importance is you need to read the main page (read me).

All examples use the sign in method with Email and Password, but you can use Firebase.begin("url","secret"); as usual.

[mhmdcs]

You're right I didn't read properly. Apologies for this useless discussion post. Ended up finding and reading an example for the legacy authentication method.

Thanks!

[mhmdcs]

I've come across a new issue where it keeps giving me

no matching function for call to 'FIREBASE_CLASS::setInt(const char [9], int)'

for the Firebase.setInt("distance",distance); line of code

Full code:

//importing all the necessary libraries, the ESP8266 MCU node wifi support library, the software serial, and the firebase implementation libraries to establish the connection between the ESP8266 and the Firebase database
#include <FirebaseESP8266.h>
#include <ESP8266WiFi.h>
#include <SoftwareSerial.h>

//set up firebase connection with link of the firebase databse  for FIREBASE_HOST and secret key authorization for FIREBASE_AUTH
#define FIREBASE_HOST "#####" //database URL without http:// and / at the end of the link
#define FIREBASE_AUTH "#####" //firebase database seceret key
//set up wifi connection
#define WIFI_SSID "#####" //wifi network name 
#define WIFI_PASSWORD "####" //wifi password

//Provide the RTDB payload printing info and other helper functions.
#include <addons/RTDBHelper.h>

//define pins for the ultrasonic sensor (trig and echo pins), and the variables for the water level calculations and data

String sensorData;
char rdata;
int trigPin = 2;
int echoPin = 14;
int firstVal;
long duration;int distance;


void setup() { //setup method only runs code once

  //establish a wirelesss connection between the MCUNode ESP8266 to the wifi network

    Serial.begin(115200);
  pinMode(trigPin, OUTPUT); //define trigger pin as output
  pinMode(echoPin, INPUT); //define echo pin as input
  pinMode(16, OUTPUT);

  //establish the wifi and firebase connection
    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();

    Firebase.reconnectWiFi(true);

  //begin the  firebase connection
  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
  Firebase.setInt("distance", 0);
}//end of setup method


//ultrasonic distance measurement logic
void loop() {//loop method is where the main code logic that's going to be repeated should be

//clear the trigPin
digitalWrite(trigPin, LOW);
delayMicroseconds(2);

//set the trigPin on HIGH state for 10µs (microseconds unit)
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);

//reads the echoPin and then returns the sound wave frequencies travel-time in microseconds 
duration = pulseIn(echoPin, HIGH);

//calculates the distance
distance= duration/58;

//prints the distance on the Ardunio IDE's serial monitor 
Serial.print("Distance: ");
Serial.println(distance);
Firebase.setInt("distance",distance);
delay(2000);

}//end of loop method

Any ideas on why isn't Firebase.setInt working?

Edit: Ended up defining FirebaseData fbdo; and changing Firebase.setInt("distance",distance); and Firebase.setInt("distance",0); to Firebase.setInt(fbdo, "distance",distance);and Firebase.setInt(fbdo, "distance",distance);

and now I'm getting these sketch upload errors...

Arduino: 1.8.13 (Mac OS X), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new can abort), All SSL ciphers (most compatible), 4MB (FS:none OTA:~1019KB), 2, v2 Lower Memory, Disabled, None, Only Sketch, 115200"

Executable segment sizes:
IROM   : 489736          - code in flash         (default or ICACHE_FLASH_ATTR) 
IRAM   : 27964   / 32768 - code in IRAM          (ICACHE_RAM_ATTR, ISRs...) 
DATA   : 1368  )         - initialized variables (global, static) in RAM/HEAP 
RODATA : 2020  ) / 81920 - constants             (global, static) in RAM/HEAP 
BSS    : 25928 )         - zeroed variables      (global, static) in RAM/HEAP 
Sketch uses 521088 bytes (49%) of program storage space. Maximum is 1044464 bytes.
Global variables use 29316 bytes (35%) of dynamic memory, leaving 52604 bytes for local variables. Maximum is 81920 bytes.
pyserial or esptool directories not found next to this upload.py tool.
An error occurred while uploading the sketch

[mobizt]

This is not related to the library but your Arduino IDE.

pyserial or esptool directories not found next to this upload.py tool.
An error occurred while uploading the sketch