text: #define MQTT_NODE_NAME "mqtt_socket"
  #define MQTT_CONFIG_FILE_NAME "/mqtt_config.yml"
  
  // MODE
  #define AUTO_MODE       1
  #define REMOTE_MODE     2
  #define NORMAL_MODE     0
  #define EMERGENCY_MODE  1
  
  // REMOTE CMD
  static int vehicle_id;
  static int accel_max_val;
  static int brake_max_val;
  static float steer_max_val;
  static float linear_x_max_val;
  
  // CANINFO
  static float caninfo_downsample;
  
  // GEAR
  int gear_d;
  int gear_n;
  int gear_r;
  int gear_p;
  
  // MQTT
  static struct mosquitto *mqtt_client = NULL;
  static string mqtt_client_id;
  static string mqtt_address;
  static int mqtt_port;
  static string mqtt_topic;
  static int mqtt_qos;
  static int mqtt_timeout;
  