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71 lines
1.6 KiB
71 lines
1.6 KiB
#include <WiFi.h>
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#include <PubSubClient.h>
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const char* ssid = "Familia 2.4G";
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const char* password = "rr20072015";
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const char* mqttServer = "192.168.1.17";
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const int mqttPort = 1883;
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const char* mqttUser = "";
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const char* mqttPassword = "";
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WiFiClient espClient;
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PubSubClient client(espClient);
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void OnMqttReceived(char *topic, byte *payload, unsigned int length)
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{
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Serial.print("Received on ");
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Serial.print(topic);
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Serial.print(": ");
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String content = "";
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for (size_t i = 0; i < length; i++)
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{
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content.concat((char)payload[i]);
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}
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Serial.print(content);
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Serial.println();
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}
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void setup()
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{ Serial.begin(115200);
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WiFi.begin(ssid, password);
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Serial.println("...................................");
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Serial.print("Connecting to WiFi.");
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while (WiFi.status() != WL_CONNECTED)
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{ delay(500);
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Serial.print(".") ;
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}
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Serial.println("Connected to the WiFi network");
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client.setServer(mqttServer, mqttPort);
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while (!client.connected())
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{ Serial.println("Connecting to MQTT...");
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if (client.connect("prueba", mqttUser, mqttPassword ))
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{Serial.println("connected");
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client.subscribe("prueba/xd");
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client.setCallback(OnMqttReceived);
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}
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else
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{ Serial.print("failed with state ");
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Serial.print(client.state());
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delay(2000);
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}
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}
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}
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void loop()
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{ client.loop();
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char str[16];
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if(Serial.read()>0)
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{
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sprintf(str, "%u", random(100));
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client.publish("prueba/xd", str);
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Serial.println(str);
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delay(100);
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}
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}
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