76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
#include <PubSubClient.h>
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// MQTT: ID, server IP, port, username and password
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//const String MQTT_CLIENT_ID = "matrix_client_" + String(random(0xffff), HEX);
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const char *MQTT_SERVER_IP = "192.168.1.105";
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const uint16_t MQTT_SERVER_PORT = 1883;
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const char *MQTT_USER = "mdchaparror";
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const char *MQTT_PASSWORD = "un80187452";
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const char *MQTT_TOPIC_FULL = "matrix/full";
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DynamicJsonDocument doc(300);
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WiFiClient wifiClient;
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PubSubClient client(wifiClient);
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void callback(char *p_topic, byte *p_payload, unsigned int p_length)
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{
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// concat the payload into a string
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String payload;
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for (uint8_t i = 0; i < p_length; i++)
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{
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payload.concat((char)p_payload[i]);
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}
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if (String(MQTT_TOPIC_FULL).equals(p_topic))
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{
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yield();
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deserializeJson(doc, String(payload));
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yield();
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mensaje = doc["msg"].as<String>();
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R = doc["R"];
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G = doc["G"];
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B = doc["B"];
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matrix_speed = doc["speed"].as<int>();
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if(matrix_speed<50)
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matrix_speed=50;
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texto = mensaje + " " + hora;
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x = matrix.width();
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longitud = texto.length() * 5 + 64;
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}
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}
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void reconnect()
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{
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while (!client.connected())
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{
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String clientId = "matrix_client-" + String(random(0xffff), HEX);
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if (client.connect(clientId.c_str(), MQTT_USER, MQTT_PASSWORD))
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{
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client.subscribe(MQTT_TOPIC_FULL);
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}
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else
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{
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mensaje = "ERROR AL CONECTAR SERVIDOR MQTT";
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texto = mensaje + " " + hora;
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x = matrix.width();
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longitud = texto.length() * 5 + 64;
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debug("Error conexion MQTT");
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yield();
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delay(5000);
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yield();
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}
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}
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}
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void mqtt_init()
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{
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client.setServer(MQTT_SERVER_IP, MQTT_SERVER_PORT);
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client.setCallback(callback);
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}
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