hello all I am learning how to add parameters in fs with json, data AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME successfully retrieved when reset nodemcu ESP8266 but why the data AIO_KEY not showing up please help me i am a beginner
this is my code
#include <FS.h> //this needs to be first, or it all crashes and burns...
#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
#include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson
//#include <Adafruit_MQTT.h>
//#include <Adafruit_MQTT_Client.h>
#include <PubSubClient.h>
#define l1 D1
#define l2 D2
#define l3 D3
#define l4 D4
#define l5 D5
#define l6 D6
#define l7 D7
#define l8 D8
#define l9 D9
//tentukan nilai default Anda di sini, jika ada nilai yang berbeda di config.json, nilai tersebut akan ditimpa.
char AIO_SERVER[40]="MQTT_SERVER";
char AIO_SERVERPORT[6] = "1883";
char AIO_USERNAME[15]= "USERNAME_MQTT";
char AIO_KEY[40] = "aio_adDK37W3yxLAr7rDJK64UUwLvLtA";
//untuk menyimpan data
bool shouldSaveConfig = false;
//memanggil ulang penyimpanan data
void saveConfigCallback () {
Serial.println("Should save config");
shouldSaveConfig = true;
}
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
Serial.println();
//clean FS, for testing
//SPIFFS.format();
//read configuration from FS json
Serial.println("mounting FS...");
if (SPIFFS.begin()) {
Serial.println("mounted file system");
if (SPIFFS.exists("/config.json")) {
//file exists, reading and loading
Serial.println("reading config file");
File configFile = SPIFFS.open("/config.json", "r");
if (configFile) {
Serial.println("opened config file");
size_t size = configFile.size();
// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[size]);
configFile.readBytes(buf.get(), size);
#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
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(AIO_SERVER, json["AIO_SERVER"]);
strcpy(AIO_SERVERPORT, json["AIO_SERVERPORT"]);
strcpy(AIO_USERNAME, json["AIO_USERNAME"]);
strcpy(AIO_KEY, json["AIO_KEY"]);
} else {
Serial.println("failed to load json config");
}
configFile.close();
}
}
} else {
Serial.println("failed to mount FS");
}
//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
WiFiManagerParameter custom_AIO_SERVER("server", "AIO SERVER", AIO_SERVER, 40);
WiFiManagerParameter custom_AIO_SERVERPORT("port", "AIO SERVERPORT", AIO_SERVERPORT, 6);
WiFiManagerParameter custom_AIO_USERNAME("username", "AIO USERNAME", AIO_USERNAME, 15);
WiFiManagerParameter custom_AIO_KEY("apikey", "AIO KEY", "AIO_KEY", 40);
//WiFiManager
//Local intialization. Once its business is done, there is no need to keep it around
WiFiManager wifiManager;
//set config save notify callback
wifiManager.setSaveConfigCallback(saveConfigCallback);
//set static ip
wifiManager.setSTAStaticIPConfig(IPAddress(10, 0, 1, 99), IPAddress(10, 0, 1, 1), IPAddress(255, 255, 255, 0));
//add all your parameters here
wifiManager.addParameter(&custom_AIO_SERVER);
wifiManager.addParameter(&custom_AIO_SERVERPORT);
wifiManager.addParameter(&custom_AIO_USERNAME);
wifiManager.addParameter(&custom_AIO_KEY);
//reset settings - for testing
//wifiManager.resetSettings();
//set minimu quality of signal so it ignores AP's under that quality
//defaults to 8%
//wifiManager.setMinimumSignalQuality();
//sets timeout until configuration portal gets turned off
//useful to make it all retry or go to sleep
//in seconds
//wifiManager.setTimeout(120);
//fetches ssid and pass and tries to connect
//if it does not connect it starts an access point with the specified name
//here "AutoConnectAP"
//and goes into a blocking loop awaiting configuration
if (!wifiManager.autoConnect("AutoConnectAP", "password")) {
Serial.println("failed to connect and hit timeout");
delay(3000);
//reset and try again, or maybe put it to deep sleep
ESP.restart();
delay(5000);
}
//if you get here you have connected to the WiFi
Serial.println("connected...yeey :)");
//read updated parameters
strcpy(AIO_SERVER, custom_AIO_SERVER.getValue());
strcpy(AIO_SERVERPORT, custom_AIO_SERVERPORT.getValue());
strcpy(AIO_USERNAME, custom_AIO_USERNAME.getValue());
strcpy(AIO_KEY, custom_AIO_KEY.getValue());
Serial.println("AKUN MQTT ANDA: ");
Serial.println("\tAIO_SERVER : " + String(AIO_SERVER));
Serial.println("\tAIO_SERVERPORT : " + String(AIO_SERVERPORT));
Serial.println("\tAIO_USERNAME : " + String(AIO_USERNAME));
Serial.println("\tAIO_KEY : " + String(AIO_KEY));
//save the custom parameters to FS
if (shouldSaveConfig) {
Serial.println("saving config");
#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
DynamicJsonDocument json(1024);
#else
DynamicJsonBuffer jsonBuffer;
JsonObject& json = jsonBuffer.createObject();
#endif
json["AIO_SERVER"] = AIO_SERVER;
json["AIO_SERVERPORT"] = AIO_SERVERPORT;
json["AIO_USERNAME"] = AIO_USERNAME;
json["AIO_KEY"] = AIO_KEY;
File configFile = SPIFFS.open("/config.json", "w");
if (!configFile) {
Serial.println("failed to open config file for writing");
}
#ifdef ARDUINOJSON_VERSION_MAJOR >= 6
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:
}
image above before reset
after
