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#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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