mqttPendingClear (Function)

This function will clear the queue of pending messages.

Input:

handle : INT

The handle to the MQTT connection.

Returns: SINT

Declaration:

FUNCTION mqttPendingClear : SINT;
VAR_INPUT
   handle   : INT;
END_VAR;

Example:

INCLUDE rtcu.inc
 
VAR
   mqtt  : INT;
END_VAR;
 
PROGRAM test;
 
BEGIN
   ...
   // Clear any pending messages
   IF mqttPendingCount(handle:=mqtt) > 0 THEN
      mqttPendingClear(handle:=mqtt);
   END_IF;
   ...
END;
 
END_PROGRAM;