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app-notes:ein-mqtt-server-fuer-iot-telemetry-sensoren [2023/11/09 15:08] – [4. The visualization of the telemetry data with the help of Grafana] grayapp-notes:ein-mqtt-server-fuer-iot-telemetry-sensoren [2024/03/21 14:00] – [2.1 Collect telemetry data with the help of SDK scripts] gray
Line 67: Line 67:
     /* publish the message to mqtt broker Temperature */     /* publish the message to mqtt broker Temperature */
  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE);  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE);
 + nb_mqttlib_get_callback_publish(MQTT_HANDLE_DD, 5000);
  if (ret<0){  if (ret<0){
    nb_syslog("Failed to publish mqtt message");    nb_syslog("Failed to publish mqtt message");
Line 75: Line 76:
     /* publish the message to mqtt broker Humidity */     /* publish the message to mqtt broker Humidity */
  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE2);  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE2);
 + nb_mqttlib_get_callback_publish(MQTT_HANDLE_DD, 5000);
  if (ret<0){  if (ret<0){
    nb_syslog("Failed to publish mqtt message");    nb_syslog("Failed to publish mqtt message");
Line 83: Line 85:
     /* publish the message to mqtt broker DevicePower */     /* publish the message to mqtt broker DevicePower */
  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE3);  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE3);
 + nb_mqttlib_get_callback_publish(MQTT_HANDLE_DD, 5000);
  if (ret<0){  if (ret<0){
    nb_syslog("Failed to publish mqtt message");    nb_syslog("Failed to publish mqtt message");
Line 91: Line 94:
     /* publish the message to mqtt broker Sys */     /* publish the message to mqtt broker Sys */
  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE4);  ret = nb_mqtt_publish(HOST, PORT, USERNAME, PASSWORD, TOPIC, QOS, RETAIN, MESSAGE4);
 + nb_mqttlib_get_callback_publish(MQTT_HANDLE_DD, 5000); 
  if (ret<0){  if (ret<0){
    nb_syslog("Failed to publish mqtt message");    nb_syslog("Failed to publish mqtt message");
Line 530: Line 534:
 From now on you have access to the data that is already in the database and that will be added over time. From now on you have access to the data that is already in the database and that will be added over time.
  
----- 
  
 ==== - The first visualization under Grafana ==== ==== - The first visualization under Grafana ====

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app-notes/ein-mqtt-server-fuer-iot-telemetry-sensoren.txt · Last modified: 2024/03/21 14:40 by gray