Section 7: TSP command reference Model 2657A High Power System SourceMeter® Instrument Reference Manual
7-30 2657A-901-01 Rev. B/December 2012
Usage
sourcevalue = bufferVar.sourcevalues[N]
sourcevalue
The source's output value when reading N of the specified buffer was acquired
bufferVar
The reading buffer; can be a dynamically allocated buffer (user-defined), or a
dedicated reading buffer (such as smua.nvbuffer1)
N
The reading number (1 to bufferVar.n)
Details
If the bufferVar.collectsourcevalues attribute is enabled before readings are taken, the
bufferVar.sourcevalues buffer recall attribute is like an array (a Lua table) of the sourced value in effect at
the time of the reading. Note that you can set the bufferVar.collectsourcevalues attribute only if the
affected reading buffer is empty. See bufferVar.collectsourcevalues (on page 7-20) for more detailed information.
For dedicated reading buffers, all buffer attributes are saved to nonvolatile memory only when the reading buffer
is saved to nonvolatile memory.
Example 1
sourcevalue = smua.nvbuffer1.sourcevalues[1]
Get the sourced value of the first reading
stored in dedicated reading buffer 1.
Example 2
printbuffer(1, 6,
smua.nvbuffer1.sourcevalues)
Print the sourced value of the first 6 readings
stored in source-measure unit (SMU) A,
buffer 1.
Example output:
1.00000e-04, 1.00000e-04,
1.00000e-04, 1.00000e-04,
1.00000e-04, 1.00000e-04
Also see
bufferVar.measurefunctions (on page 7-23)
bufferVar.measureranges
(on page 7-24)
bufferVar.n
(on page 7-25)
bufferVar.readings
(on page 7-26)
bufferVar.sourcefunctions
(on page 7-27)
bufferVar.sourceoutputstates
(on page 7-28)
bufferVar.sourceranges
(on page 7-28)
bufferVar.statuses
(on page 7-30)
bufferVar.timestamps
(on page 7-32)
bufferVar.statuses
This attribute contains the status values of readings in the reading buffer.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (R) Yes Clearing the buffer See Details Not applicable
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