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ESP8266Firebase.cpp

@@ -29,13 +29,7 @@ Firebase::Firebase(String projectID){
 	_httpsClient.setInsecure();
 }
 
-Firebase::Firebase(String projectID, const char* FIREBASE_FINGERPRINT){
-	_host = projectID+".firebaseio.com";
-	_httpsClient.setFingerprint(FIREBASE_FINGERPRINT);
-	_httpsClient.setTimeout(1000);
-}
-
-String Firebase::setString(String link, String data){
+int Firebase::setString(String link, String data){
 	Connect_to_host();
   String Link = String("/")+link+String(".json");
   String msg = "\""+data+"\"";
@@ -60,21 +54,24 @@ String Firebase::setString(String link, String data){
   String line;
   while(_httpsClient.available()){
     line = _httpsClient.readStringUntil('\n');
-    return line; // Return this
+    if (line.length() > 0)
+      return 200; // Success
   }
+
+  return 400;     // Failed
 }
 
-String Firebase::setInt(String link, int data){
+int Firebase::setInt(String link, int data){
   String Data = String(data);
   return Firebase::setNum(link, Data);
 }
 
-String Firebase::setFloat(String link, float data){
+int Firebase::setFloat(String link, float data){
   String Data = String(data);
   return Firebase::setNum(link, Data);
 }
 
-String Firebase::setNum(String link, String msg){
+int Firebase::setNum(String link, String msg){
 	Connect_to_host();
   String Link = String("/")+link+String(".json");
 
@@ -98,11 +95,14 @@ String Firebase::setNum(String link, String msg){
   String line;
   while(_httpsClient.available()){
     line = _httpsClient.readStringUntil('\n');
-    return line; // Return this
+    if (line.length() > 0)
+      return 200; // Success
   }
+
+  return 400;     // Failed
 }
 
-String Firebase::pushString(String link, String data){
+int Firebase::pushString(String link, String data){
 	Connect_to_host();
   String Link = String("/")+link+String(".json");
 
@@ -128,21 +128,24 @@ String Firebase::pushString(String link, String data){
   String line;
   while(_httpsClient.available()){
     line = _httpsClient.readStringUntil('\n');
-    return line; // Return this
+    if (line.length() > 0)
+      return 200; // Success
   }
+
+  return 400;     // Failed
 }
 
-String Firebase::pushInt(String link, int data){
+int Firebase::pushInt(String link, int data){
   String Data = String(data);
   return Firebase::pushNum(link, Data);
 }
 
-String Firebase::pushFloat(String link, float data){
+int Firebase::pushFloat(String link, float data){
   String Data = String(data);
   return Firebase::pushNum(link, Data);
 }
 
-String Firebase::pushNum(String link, String msg){
+int Firebase::pushNum(String link, String msg){
 	Connect_to_host();
   String Link = String("/")+link+String(".json");
 
@@ -166,8 +169,11 @@ String Firebase::pushNum(String link, String msg){
   String line;
   while(_httpsClient.available()){
     line = _httpsClient.readStringUntil('\n');
-    return line; // Return this
+    if (line.length() > 0)
+      return 200; // Success
   }
+
+  return 400;     // Failed
 }
 
 String Firebase::getString(String link){
@@ -213,7 +219,7 @@ void Firebase::getData(String link){
   }
 }
 
-String Firebase::deleteData(String link){
+int Firebase::deleteData(String link){
 	Connect_to_host();
   String Link = String("/")+link+String(".json");
 
@@ -231,8 +237,11 @@ String Firebase::deleteData(String link){
   String line;
   while(_httpsClient.available()){
     line = _httpsClient.readStringUntil('\n');
-    return line; // Return this
+    if (line.length() > 0)
+      return 200; // Success
   }
+
+  return 400;     // Failed
 }
 
 void Firebase::json(bool json){

ESP8266Firebase.h

@@ -32,20 +32,19 @@ SOFTWARE.
 	{
 		public:
 			Firebase(String projectID);
-			Firebase(String projectID, const char* FIREBASE_FINGERPRINT);
-			String setString(String link, String data);
-			String setNum(String link, String data);
-			String setInt(String link, int data);
-			String setFloat(String link, float data);
-			String pushString(String link, String data);
-			String pushNum(String link, String data);
-			String pushInt(String link, int data);
-			String pushFloat(String link, float data);
+			int setString(String link, String data);
+			int setNum(String link, String data);
+			int setInt(String link, int data);
+			int setFloat(String link, float data);
+			int pushString(String link, String data);
+			int pushNum(String link, String data);
+			int pushInt(String link, int data);
+			int pushFloat(String link, float data);
 			void getData(String link);
 			String getString(String link);
 			int getInt(String link);
 			float getFloat(String link);
-			String deleteData(String link);
+			int deleteData(String link);
 			void json(bool json);
 			void Connect_to_host();
 

README.md

@@ -1,14 +1,6 @@
 # ESP8266Firebase
-## Arduino library to read and write data to Google Firebase Realtime Database.
-## [UPDATE JULY 2021]: Now faster than ever before! Optimised for low latency performance. Added option to completely avoid entering fingerprint.
-
-## Official Arduino Link:
-###         https://www.arduino.cc/reference/en/libraries/esp8266-firebase/
-
-## YouTube Videos: 
-###         https://www.youtube.com/watch?v=NqKaHee_zQA
-###         https://www.youtube.com/watch?v=cIa5vQ7rRa0
-###         https://www.youtube.com/watch?v=xpZ0oMvpQ3g
+## Arduino library to read and write data to Google Firebase.
+## [UPDATE 13 JULY 2020]: Now faster than ever before! Almost instant updating/response speed.
 
 # Tutorial
 ### The following steps are one-time process:

examples/FirebaseDemo/FirebaseDemo.ino

@@ -11,19 +11,7 @@
 #define _PASSWORD "ENTER HERE"    // Your WiFi Password
 #define PROJECT_ID "ENTER HERE"   // Your Firebase Project ID. Can be found in project settings.
 
-/*
-  // FAST METHOD
-  // REQUIRES PERIODIC UPDATE OF FINGERPRINT (EVERY 1 YEAR)
-  // OUTDATED FINGERPRINT WILL STOP THE SERVICE
-  // LATEST FINGERPRINT CAN BE FOUND AT- https://www.grc.com/fingerprints.htm?domain=test.firebaseio.com
-  // REPLACE COLONS(:) WITH A SPACE(" ") AS SHOWN BELOW
-  // 03:9E:4F:E6:83:FC:40:EF:FC:B2:C5:EF:36:0E:7C:3C:42:20:1B:8F ==> 03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F
-  #define FINGERPRINT "03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F"
-  Firebase firebase(PROJECT_ID, FINGERPRINT);
-  // UNCOMMENT THIS BLOCK AND COMMENT THE LINE BELOW
-*/
-
-Firebase firebase(PROJECT_ID);    // SLOW BUT HASTLE-FREE METHOD FOR LONG TERM USAGE. DOES NOT REQUIRE PERIODIC UPDATE OF FINGERPRINT
+Firebase firebase(PROJECT_ID);
 
 void setup() {
   Serial.begin(115200);
@@ -49,7 +37,7 @@ void setup() {
   Serial.println("WiFi Connected");
 
   // Print the IP address
-  Serial.print("Use this URL to connect: ");
+  Serial.print("IP Address: ");
   Serial.print("http://");
   Serial.print(WiFi.localIP());
   Serial.println("/");
@@ -70,17 +58,17 @@ void setup() {
 
   // Example of getting a String.
   String data1 = firebase.getString("Example/setString");
-  Serial.print("Received String: ");
+  Serial.print("Received String:\t");
   Serial.println(data1);
 
   // Example of getting an int.
   int data2 = firebase.getInt("Example/setInt");
-  Serial.print("Received int: ");
+  Serial.print("Received Int:\t\t");
   Serial.println(data2);
 
   // Example of getting a float.
   float data3 = firebase.getFloat("Example/setFloat");
-  Serial.print("Received float: ");
+  Serial.print("Received Float:\t\t");
   Serial.println(data3);
 
   // Example of data deletion.

examples/FirebaseJsonDemo/FirebaseJsonDemo.ino

@@ -12,23 +12,10 @@
 #define _PASSWORD "ENTER HERE"    // Your WiFi Password
 #define PROJECT_ID "ENTER HERE"   // Your Firebase Project ID. Can be found in project settings.
 
-/*
-  // FAST METHOD
-  // REQUIRES PERIODIC UPDATE OF FINGERPRINT (EVERY 1 YEAR)
-  // OUTDATED FINGERPRINT WILL STOP THE SERVICE
-  // LATEST FINGERPRINT CAN BE FOUND AT- https://www.grc.com/fingerprints.htm?domain=test.firebaseio.com
-  // REPLACE COLONS(:) WITH A SPACE(" ") AS SHOWN BELOW
-  // 03:9E:4F:E6:83:FC:40:EF:FC:B2:C5:EF:36:0E:7C:3C:42:20:1B:8F ==> 03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F
-  #define FINGERPRINT "03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F"
-  Firebase firebase(PROJECT_ID, FINGERPRINT);
-  // UNCOMMENT THIS BLOCK AND COMMENT THE LINE BELOW
-*/
-
-Firebase firebase(PROJECT_ID);    // SLOW BUT HASTLE-FREE METHOD FOR LONG TERM USAGE. DOES NOT REQUIRE PERIODIC UPDATE OF FINGERPRINT
+Firebase firebase(PROJECT_ID);
 
 void setup() {
   Serial.begin(115200);
-  firebase.json(true);
   pinMode(LED_BUILTIN, OUTPUT);
   digitalWrite(LED_BUILTIN, LOW);
   WiFi.mode(WIFI_STA);
@@ -51,7 +38,7 @@ void setup() {
   Serial.println("WiFi Connected");
 
   // Print the IP address
-  Serial.print("Use this URL to connect: ");
+  Serial.print("IP Address: ");
   Serial.print("http://");
   Serial.print(WiFi.localIP());
   Serial.println("/");
@@ -65,6 +52,8 @@ void setup() {
   firebase.setInt("Example/setInt", 123);
   firebase.setFloat("Example/setFloat", 45.32);
 
+  firebase.json(true);              // Make sure to add this line.
+
   String data = firebase.getString("Example");  // Get data from the database.
 
   // Deserialize the data.
@@ -76,17 +65,17 @@ void setup() {
 
   // Store the deserialized data.
   const char* received_String = doc["setString"]; // "It's Working"
-  int received_int = doc["setInt"]; // 123
-  float received_float = doc["setFloat"]; // 45.32
+  int received_int = doc["setInt"];               // 123
+  float received_float = doc["setFloat"];         // 45.32
 
   // Print data
-  Serial.print("Received String: ");
+  Serial.print("Received String:\t");
   Serial.println(received_String);
 
-  Serial.print("Received int: ");
+  Serial.print("Received Int:\t\t");
   Serial.println(received_int);
 
-  Serial.print("Received float: ");
+  Serial.print("Received Float:\t\t");
   Serial.println(received_float);
 
   // Delete data from the realtime database.

examples/HomeAutomation/HomeAutomation.ino

@@ -22,23 +22,10 @@
 #define device4 14  // D5
 int device_list[4] = {device1, device2, device3, device4};
 
-/*
-  // FAST METHOD
-  // REQUIRES PERIODIC UPDATE OF FINGERPRINT (EVERY 1 YEAR)
-  // OUTDATED FINGERPRINT WILL STOP THE SERVICE
-  // LATEST FINGERPRINT CAN BE FOUND AT- https://www.grc.com/fingerprints.htm?domain=test.firebaseio.com
-  // REPLACE COLONS(:) WITH A SPACE(" ") AS SHOWN BELOW
-  // 03:9E:4F:E6:83:FC:40:EF:FC:B2:C5:EF:36:0E:7C:3C:42:20:1B:8F ==> 03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F
-  #define FINGERPRINT "03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F"
-  Firebase firebase(PROJECT_ID, FINGERPRINT);
-  // UNCOMMENT THIS BLOCK AND COMMENT THE LINE BELOW
-*/
-
-Firebase firebase(PROJECT_ID);    // SLOW BUT HASTLE-FREE METHOD FOR LONG TERM USAGE. DOES NOT REQUIRE PERIODIC UPDATE OF FINGERPRINT
+Firebase firebase(PROJECT_ID);
 
 void setup() {
   Serial.begin(115200);
-  firebase.json(true);
   pinMode(device1, OUTPUT);
   pinMode(device2, OUTPUT);
   pinMode(device3, OUTPUT);
@@ -65,11 +52,13 @@ void setup() {
   Serial.println("WiFi Connected");
 
   // Print the IP address
-  Serial.print("Use this URL to connect: ");
+  Serial.print("IP Address: ");
   Serial.print("http://");
   Serial.print(WiFi.localIP());
   Serial.println("/");
   digitalWrite(LED_BUILTIN, HIGH);
+
+  firebase.json(true);  // Make sure to add this line. 
 }
 
 void loop() {

examples/RobotController/RobotController.ino

@@ -20,19 +20,7 @@
 #define TURN_DELAY 100
 #define FORWARD_BACKWARD_DELAY 500
 
-/*
-  // FAST METHOD
-  // REQUIRES PERIODIC UPDATE OF FINGERPRINT (EVERY 1 YEAR)
-  // OUTDATED FINGERPRINT WILL STOP THE SERVICE
-  // LATEST FINGERPRINT CAN BE FOUND AT- https://www.grc.com/fingerprints.htm?domain=test.firebaseio.com
-  // REPLACE COLONS(:) WITH A SPACE(" ") AS SHOWN BELOW
-  // 03:9E:4F:E6:83:FC:40:EF:FC:B2:C5:EF:36:0E:7C:3C:42:20:1B:8F ==> 03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F
-  #define FINGERPRINT "03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F"
-  Firebase firebase(PROJECT_ID, FINGERPRINT);
-  // UNCOMMENT THIS BLOCK AND COMMENT THE LINE BELOW
-*/
-
-Firebase firebase(PROJECT_ID);    // SLOW BUT HASTLE-FREE METHOD FOR LONG TERM USAGE. DOES NOT REQUIRE PERIODIC UPDATE OF FINGERPRINT
+Firebase firebase(PROJECT_ID);
 
 void setup() {
   Serial.begin(115200);
@@ -68,7 +56,7 @@ void setup() {
   Serial.println("WiFi Connected");
 
   // Print the IP address
-  Serial.print("Use this URL to connect: ");
+  Serial.print("IP Address: ");
   Serial.print("http://");
   Serial.print(WiFi.localIP());
   Serial.println("/");

library.properties

@@ -1,5 +1,5 @@
 name=ESP8266 Firebase
-version=1.1.0
+version=1.2.0
 author=Rupak Poddar
 maintainer=Rupak Poddar <[email protected]>
 sentence=Library for ESP8266 to read and write data to Firebase Realtime Database.