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57 lines
1.9 KiB
57 lines
1.9 KiB
/*
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SimpleMQTTClient.ino
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The purpose of this exemple is to illustrate a simple handling of MQTT and Wifi connection.
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Once it connects successfully to a Wifi network and a MQTT broker, it subscribe to a topic and send a message to it.
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It will also send a message delayed 5 seconds later.
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*/
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#include "EspMQTTClient.h"
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EspMQTTClient client(
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"rico2",
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"xxxxxx",
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"192.168.1.3", // MQTT Broker server ip
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"MQTTUsername", // Can be omitted if not needed
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"MQTTPassword", // Can be omitted if not needed
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"pilote_cuisine", // Client name that uniquely identify your device
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1883 // The MQTT port, default to 1883. this line can be omitted
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);
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const int heating_pin = 14;
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void message_callback(const String &message)
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{
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Serial.println(message);
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if (message == "off") {
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digitalWrite(heating_pin, LOW);
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}
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if (message == "on") {
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digitalWrite(heating_pin, HIGH);
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}
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}
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void setup()
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{
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pinMode(heating_pin, OUTPUT); // Initialize the LED_BUILTIN pin as an output
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digitalWrite(heating_pin, LOW); // Turn the LED on (Note that LOW is the voltage level
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Serial.begin(115200);
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// Optionnal functionnalities of EspMQTTClient :
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client.enableDebuggingMessages(); // Enable debugging messages sent to serial output
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client.enableHTTPWebUpdater(); // Enable the web updater. User and password default to values of MQTTUsername and MQTTPassword. These can be overrited with enableHTTPWebUpdater("user", "password").
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//client.enableLastWillMessage("TestClient/lastwill", "I am going offline"); // You can activate the retain flag by setting the third parameter to true
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}
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// This function is called once everything is connected (Wifi and MQTT)
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// WARNING : YOU MUST IMPLEMENT IT IF YOU USE EspMQTTClient
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void onConnectionEstablished()
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{
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// Subscribe to "mytopic/test" and display received message to Serial
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client.subscribe("chauffage/cuisine", &message_callback);
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}
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void loop()
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{
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client.loop();
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}
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