MQTT_TS_DATA, MQTT topic subscribe data structure

Struttura dati che definisce la sottoscrizione di un topic sul broker MQTT da parte del FB MQTTClient.

Name	Type	Description
Status	BYTE	Status byte, bit addressable B0: Topic updated B3: Topic subscribed B7: Fault
QoS	USINT	Quality of service
Retries	USINT	Number of subscription retries
UDate	DATE_AND_TIME	Topic update Date/Time
Topic	@STRING	Topic definition
DBuffer	PVOID	Topic data buffer address
DBSize	UDINT	Topic data buffer size