为 Firebase 找到了 Arduino IDE 多个库

Question

我正在尝试建立 NodeMCU v3 与 Google Firebase 的连接。但是我遇到了多个库错误。我已确保草图文件夹中不存在任何库。我只使用添加 .ZIP 选项安装了它们。

这是我的代码：

#include <ESP8266WiFi.h>
#include <FirebaseArduino.h>
// Set these to run example.
#define FIREBASE_HOST "example.firebaseio.com"
#define FIREBASE_AUTH "token_or_secret"
//Change line with your WiFi router name and password
#define WIFI_SSID "SSID"  
#define WIFI_PASSWORD "PASSWORD"

void setup() {
  Serial.begin(9600);

  // connect to wifi.
  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());
  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
}
int n = 0;
void loop() {
  // set value
  Firebase.setFloat("number", 42.0);
  // handle error
  if (Firebase.failed()) {
      Serial.print("setting /number failed:");
      Serial.println(Firebase.error());  
      return;
  }
  delay(1000);
  // update value
  Firebase.setFloat("number", 43.0);
  // handle error
  if (Firebase.failed()) {
      Serial.print("setting /number failed:");
      Serial.println(Firebase.error());  
      return;
  }
  delay(1000);
  // get value 
  Serial.print("number: ");
  Serial.println(Firebase.getFloat("number"));
  delay(1000);
  // remove value
  Firebase.remove("number");
  delay(1000);
  // set string value
  Firebase.setString("message", "hello world");
  // handle error
  if (Firebase.failed()) {
      Serial.print("setting /message failed:");
      Serial.println(Firebase.error());  
      return;
  }
  delay(1000);
  // set bool value
  Firebase.setBool("truth", false);
  // handle error
  if (Firebase.failed()) {
  Serial.print("setting /truth failed:");
  Serial.println(Firebase.error());  
  return;
  }
  delay(1000);
  // append a new value to /logs
  String name = Firebase.pushInt("logs", n++);
  // handle error
  if (Firebase.failed()) {
  Serial.print("pushing /logs failed:");
  Serial.println(Firebase.error());  
  return;
  }
  Serial.print("pushed: /logs/");
  Serial.println(name);
  delay(1000);
}

根据 IDE 的错误日志是：

In file included from C:\Users\Raffay Sajjad\Documents\Arduino\libraries\firebase-arduino-master\src/Firebase.h:30:0,
                 from C:\Users\Raffay Sajjad\Documents\Arduino\libraries\firebase-arduino-master\src/FirebaseArduino.h:22,

                 from C:\Users\Raffay Sajjad\Documents\Arduino\WiFi_Connection\WiFi_Connection.ino:2:

C:\Users\Raffay Sajjad\Documents\Arduino\libraries\firebase-arduino-master\src/FirebaseObject.h:109:11: error: StaticJsonBuffer is a class from ArduinoJson 5. Please see arduinojson.org/upgrade to learn how to upgrade your program to ArduinoJson version 6

     std::shared_ptr<StaticJsonBuffer<FIREBASE_JSONBUFFER_SIZE>> buffer_;

           ^

In file included from C:\Users\Raffay Sajjad\Documents\Arduino\libraries\firebase-arduino-master\src/FirebaseArduino.h:22:0,

                 from C:\Users\Raffay Sajjad\Documents\Arduino\WiFi_Connection\WiFi_Connection.ino:2:

C:\Users\Raffay Sajjad\Documents\Arduino\libraries\firebase-arduino-master\src/Firebase.h:86:11: error: StaticJsonBuffer is a class from ArduinoJson 5. Please see arduinojson.org/upgrade to learn how to upgrade your program to ArduinoJson version 6

   std::shared_ptr<StaticJsonBuffer<FIREBASE_JSONBUFFER_SIZE>> buffer_;

           ^

Multiple libraries were found for "ESP8266WiFi.h"
 Used: C:\Users\Raffay
Multiple libraries were found for "FirebaseArduino.h"
 Used: C:\Users\Raffay
Multiple libraries were found for "ArduinoJson.h"
 Used: C:\Users\Raffay
Multiple libraries were found for "ESP8266HTTPClient.h"
 Used: C:\Users\Raffay
exit status 1
Error compiling for board NodeMCU 1.0 (ESP-12E Module).

谁能提供这方面的见解？

Answer 1

检查您使用的是哪个 arduino json 版本。如果您使用的是版本 6，请使用 arduino ide 中的库管理器将其回滚到版本 5，这就是 firebase 客户端正在寻找的版本。

由于发现多个库的问题，它不会出错，因为 Arduino 只会为您选择一个，但由于版本与 arduino json 和 firebase 客户端库不匹配而出错