FB_MsgGarbageCollect_TcTvA()

FB_MsgGarbageCollect_TcTvA() 1:

This function block checks whether the alarm history (array of type ST_TcTvA_Alarm_Itf) contains empty cells and moves subsequent messages up.

Syntax

VAR_INPUT
    IdxFirst    : INT;
    IdxLast     : INT;
    sync_idx    : INT:=0;
    pAlarmBuffer: POINTER TO ST_TcTvA_Alarm_Itf;
END_VAR
VAR_OUTPUT
    signaled    : BOOL;
END_VAR

FB_MsgGarbageCollect_TcTvA() 2: Inputs

Name

Type

Description

IdxFirst

INT

The first index in the alarm buffer.

IdxLast

INT

The last index in the alarm buffer.

sync_idx

INT

Reserved; with 0 the array is automatically searched for spaces.

pAlarmBuffer

POINTER TO ST_TcTvA_Alarm_Itf

The address of the alarm buffer with the type ST_TcTvA_Alarm_Itf.

FB_MsgGarbageCollect_TcTvA() 3: Outputs

Name

Type

Description

signaled

BOOL

Signals whether a message is present.