#include <WiFi.h>
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"
// --- CONFIGURATION WIFI ---
const char* ssid = "Wokwi-GUEST";
const char* password = "";
// --- CONFIGURATION ADAFRUIT IO ---
#define AIO_SERVER "io.adafruit.com"
#define AIO_SERVERPORT 1883
#define AIO_USERNAME ""
#define AIO_KEY ""
// --- INITIALISATION DES CLIENTS ---
WiFiClient client;
Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
// Souscription au flux (Feed) nommé "commande" tu dois changer le nom de la commane par le nom de ton feeds en miniscule
Adafruit_MQTT_Subscribe sub_commande = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/feeds/telegramcommand");
void setup() {
pinMode(4, OUTPUT);
Serial.begin(115200);
// Connexion WiFi
Serial.print("Connexion au WiFi...");
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println(" Connecte !");
// Enregistrement de la souscription
mqtt.subscribe(&sub_commande);
}
void loop() {
// Maintenir la connexion MQTT active
MQTT_connect();
// Lecture des messages entrants
Adafruit_MQTT_Subscribe *subscription;
while ((subscription = mqtt.readSubscription(5000))) {
if (subscription == &sub_commande) {
String message = (char *)sub_commande.lastread;
Serial.print("Message recu : ");
Serial.println(message);
// Logique de commande
if ((message.indexOf("allume") != -1) || message.indexOf("on") != -1){
digitalWrite(4, HIGH);
Serial.println("-> ACTION : LED ALLUMEE");
}
else if (message.indexOf("éteins") != -1 || message.indexOf("eteins") != -1 || message.indexOf("off") != -1) {
digitalWrite(4, LOW);
Serial.println("-> ACTION : LED ETEINTE");
}
}
}
}
// Fonction pour gérer la connexion et reconnexion automatique
void MQTT_connect() {
int8_t ret;
if (mqtt.connected()) return;
Serial.print("Connexion au MQTT Adafruit... ");
uint8_t retries = 3;
while ((ret = mqtt.connect()) != 0) {
Serial.println(mqtt.connectErrorString(ret));
Serial.println("Nouvelle tentative dans 5 secondes...");
mqtt.disconnect();
delay(5000);
retries--;
if (retries == 0) while (1); // Stop si echec critique
}
Serial.println("Connecte !");
}