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S:\agilent\8920\8920b\PRGGUIDE\BOOK\CHAPTERS\advoper.fb
Chapter 5, Advanced Operations
Status Reporting
Status Queue Model
This section explains how status queues are structured in the Test Set. The
generalized status queue model shown in
Figure 6 is the basis upon which all the
status queues in the Test Set are built. A queue is a data structure containing a
sequential list of information. The queue is empty when all information has been
read from the list. The associated Summary Message is TRUE, logic 1, if the
queue contains some information and FALSE, logic 0, if the queue is empty.
Queues can be cleared by reading all the information from the queue. Queues,
except the Output Queue, can also be cleared using the *CLS (clear status)
command. A status queue can also be referred to as a Status Register Group.
Figure 6 Status Data Structure - Queue Mode
data
Summary Message Bit
Queue Empty = "0"
Queue Not - Empty = "1"
ch4drw04.drw
Queue
data
data
data
data
data