MQTT_CommandSubscriber (FB)¶

FUNCTION_BLOCK MQTT_CommandSubscriber

Function Block to receive Command 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 a command
	pbCommandPayload	POINTER TO BYTE	Pointer to Command Payload
	uiMaxCommandPayloadSize	UDINT	Maximal size of Command Payload
	eQoS	MQTT.MQTT_QOS	Quality of Service of the Command 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