7-14 Buffer (Data Store) Series 2600 System SourceMeters Reference Manual
2600S-901-01 Rev. A / May 2006 Return to Section 7 topics
Dynamically allocated buffer example
The listing below shows a programming example for storing data using an
allocated buffer called mybuffer for Channel A. The SourceMeter stores 100
current readings in mybuffer and then recalls all the readings.
smua.reset() --Restore Series 2600 defaults.
smua.measure.autorangei = smua.AUTORANGE_ON --Select measure auto range.
format.data = format.ASCII --Select ASCII data format.
mybuffer = smua.makebuffer(100) --Allocate mybuffer, 100 readings.
smua.measure.count = 100 --Set buffer count to 100.
smua.measure.interval = 0.1 --Set measure interval to 0.1s.
smua.source.func = smua.OUTPUT_DCVOLTS --Select source voltage function.
smua.source.levelv = 1 --Output 1V.
smua.source.output =smua.OUTPUT_ON --Turn on output.
smua.measure.overlappedi(mybuffer) --Store current readings in mybuffer.
waitcomplete() --Wait for buffer to fill.
smua.source.output =smua.OUTPUT_OFF --Turn off output.
printbuffer(1, 100, mybuffer) --Return readings 1-100 from mybuffer.
mybuffer = nil --Delete mybuffer.
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