MQTT_ConfigSubscriber (FB)¶

FUNCTION_BLOCK MQTT_ConfigSubscriber

Function Block to receive device Configuration over the Google Cloud Iot Core MQTT Bridge

InOut:

Scope	Name	Type	Comment
Inout	MQTTBridge	MQTT_Bridge	Instance of the MQTT Bridge
Input	xEnable	BOOL	Subscribes configuration changes
	pbConfigPayload	POINTER TO BYTE	Pointer to Configuration Payload
	uiMaxConfigPayloadSize	UDINT	Maximal size of Configuration Payload
	eQoS	MQTT.MQTT_QOS	Quality of Service of the Configuration Subscriber
Output	eError	Error	Output Error
	eMQTTError	MQTT.MQTT_ERROR	Error from MQTT
	xSubscribeActive	BOOL	Subcriber is active and lisenig
	xReceived	BOOL	Received a message
	xBusy	BOOL
	xDone	BOOL
	xError	BOOL