
Chapter 6
NI-FBUS Function Reference
NI-FBUS Hardware and Software User Manual
6-56
ni.com
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If you do not have a block descriptor, you have the following choices:
–
You can use the
NIFB_BLOCK_ITEM
macro to specify an item.
–
You can use the
NIFB_BLOCK_ITEM_SUBINDEX
macro to specify a subelement.
–
You can use the
NIFB_BLOCK_INDEX
macro specify an object by index.
–
You can use the
NIFB_BLOCK_INDEX_SUBINDEX
macro to specify a subindex.
You can find all these macros in the
nifbus.h
header file.
Alert and Trend Functions
The following tables list the alert and trend functions.
Table 6-6.
Alert Functions
Function
Purpose
Acknowledges an alarm received
Waits for an alert (an event or an alarm) from a
specific device or from
any
device
Waits for an alert (an event or an alarm) from a
specific device or from
any
device. This function
supports Standard Diagnostic Alert.
Table 6-7.
Trend Function
Function
Purpose
Waits for a trend from a specific device or from
any
device