message: Updated AutoConnectWithFSParameters to toggle between ArduinoJson5 and ArduinoJson6
diff: #include <FS.h> //this needs to be first, or it all crashes and burns...
  -
  #include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
  -
  //needed for library
  #include <DNSServer.h>
  #include <ESP8266WebServer.h>
  #include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson
  +//Comment out this line if you are still using ArduinoJsonV5
  +#define UseJsonV6
  +
  //define your default values here, if there are different values in config.json, they are overwritten.
  char mqtt_server[40];
  char mqtt_port[6] = "8080";
  @@ -23,7 +24,6 @@ void saveConfigCallback () {
  shouldSaveConfig = true;
  }
  -
  void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  @@ -48,16 +48,22 @@ void setup() {
  std::unique_ptr<char[]> buf(new char[size]);
  configFile.readBytes(buf.get(), size);
  +
  +#ifdef UseJsonV6
  + DynamicJsonDocument json(1024);
  + auto deserializeError = deserializeJson(json, buf.get());
  + serializeJson(json, Serial);
  + if ( ! deserializeError ) {
  +#else
  DynamicJsonBuffer jsonBuffer;
  JsonObject& json = jsonBuffer.parseObject(buf.get());
  json.printTo(Serial);
  if (json.success()) {
  +#endif
  Serial.println("\nparsed json");
  -
  strcpy(mqtt_server, json["mqtt_server"]);
  strcpy(mqtt_port, json["mqtt_port"]);
  strcpy(blynk_token, json["blynk_token"]);
  -
  } else {
  Serial.println("failed to load json config");
  }
  @@ -69,8 +75,6 @@ void setup() {
  }
  //end read
  -
  -
  // The extra parameters to be configured (can be either global or just in the setup)
  // After connecting, parameter.getValue() will get you the configured value
  // id/name placeholder/prompt default length
  @@ -124,12 +128,20 @@ void setup() {
  strcpy(mqtt_server, custom_mqtt_server.getValue());
  strcpy(mqtt_port, custom_mqtt_port.getValue());
  strcpy(blynk_token, custom_blynk_token.getValue());
  + Serial.println("The values in the file are: ");
  + Serial.println("\tmqtt_server : " + String(mqtt_server));
  + Serial.println("\tmqtt_port : " + String(mqtt_port));
  + Serial.println("\tblynk_token : " + String(blynk_token));
  //save the custom parameters to FS
  if (shouldSaveConfig) {
  Serial.println("saving config");
  +#ifdef UseJsonV6
  + DynamicJsonDocument json(1024);
  +#else
  DynamicJsonBuffer jsonBuffer;
  JsonObject& json = jsonBuffer.createObject();
  +#endif
  json["mqtt_server"] = mqtt_server;
  json["mqtt_port"] = mqtt_port;
  json["blynk_token"] = blynk_token;
  @@ -139,19 +151,22 @@ void setup() {
  Serial.println("failed to open config file for writing");
  }
  +#ifdef UseJsonV6
  + serializeJson(json, Serial);
  + serializeJson(json, configFile);
  +#else
  json.printTo(Serial);
  json.printTo(configFile);
  +#endif
  configFile.close();
  //end save
  }
  Serial.println("local ip");
  Serial.println(WiFi.localIP());
  -
  }
  void loop() {
  // put your main code here, to run repeatedly:
  -
  }
  