HTTP_EventPublisher (FB)¶

FUNCTION_BLOCK HTTP_EventPublisher EXTENDS CBML.ETrigA IMPLEMENTS IExponentialBackoff

Function Block to publish device Events over the Google Cloud Iot Core HTTP Bridge

InOut:

Scope	Name	Type	Initial	Comment	Inherited from
Input	`xExecute`	`BOOL`		Rising edge: Starts defined operation `FALSE`: Resets the defined operation after ready condition was reached	ETrig
Output	`xDone`	`BOOL`		`TRUE`: Ready condition reached	ETrig
	`xBusy`	`BOOL`		`TRUE`: Operation is running	ETrig
	`xError`	`BOOL`		`TRUE`: Error condition reached	ETrig
Input	`xAbort`	`BOOL`		`TRUE`: Aborts the operation	ETrigA
Output	`xAborted`	`BOOL`		`TRUE`: Abort condition reached	ETrigA
Inout	`HTTPBridge`	HTTP_Bridge		Instance of the HTTP Bridge
Input	`sSub_Folder`	`STRING`		Subfolder used for POST request
	`pbPayload`	POINTER TO BYTE		Pointer to Payload Data
	`uiPayloadSize`	`UINT`		Size of Payload Data
	`wsContentType`	`WSTRING`		Payload content type
	`uimaximum_backoff_Time`	`UINT`	3200	Maximum Backoff time allowed in [ms]. Default is 3200 ms
Output	`eError`	Error		Output Error
	`httpResult`	`WEB_CLIENT.HttpResult`		HTTP Result
	`eHTTPError`	`WEB_CLIENT.ERROR`		HTTP Error

Methods:

CyclicAction

Execute

GetHeader

StartAction

Structure: