8: TSP command reference Model 2450 Interactive SourceMeter® Instrument
8-40 2450-901-01 Rev. B/September 2013
Example
MaxCount = dataqueue.CAPACITY
while dataqueue.count < MaxCount do
dataqueue.add(1)
end
print("There are " .. dataqueue.count
.. " items in the data queue")
dataqueue.clear()
print("There are " .. dataqueue.count
.. " items in the data queue")
This example fills the data queue and prints the
number of items in the queue. It then clears the
queue and prints the number of items again.
Output:
There are 128 items in the data
queue
There are 0 items in the data queue
Also see
dataqueue.add() (on page 8-38)
dataqueue.CAPACITY (on page 8-39)
dataqueue.count (on page 8-40)
dataqueue.next() (on page 8-41)
dataqueue.count
This attribute contains the number of items in the data queue.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (R) Yes Power cycle Not saved Not applicable
Usage
count = dataqueue.count
The number of items in the data queue
Details
The count gets updated as entries are added with dataqueue.add() and read from the data queue with
dataqueue.next(). It is also updated when the data queue is cleared with dataqueue.clear().
A maximum of dataqueue.CAPACITY items can be stored at any one time in the data queue.
Example
MaxCount = dataqueue.CAPACITY
while dataqueue.count < MaxCount do
dataqueue.add(1)
end
print("There are " .. dataqueue.count
.. " items in the data queue")
dataqueue.clear()
print("There are " .. dataqueue.count
.. " items in the data queue")
This example fills the data queue and prints the
number of items in the queue. It then clears the
queue and prints the number of items again.
Output:
There are 128 items in the data queue
There are 0 items in the data queue
Also see
dataqueue.add() (on page 8-38)
dataqueue.CAPACITY (on page 8-39)
dataqueue.clear() (on page 8-39)
dataqueue.next() (on page 8-41)
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