Learn more about Data Acquisition Toolbox

getsample - Immediately acquire one analog input sample

Syntax

sample = getsample(obj)

Arguments

`obj`	An analog input object.
`sample`	A row vector containing one sample for each channel contained by `obj`.

Description

sample = getsample(obj) immediately returns a row vector containing one sample for each channel contained by obj.

Remarks

Using getsample is a good way to test your analog input configuration. Additionally:

getsample does not store samples in, or extract samples from, the data acquisition engine.
You can execute getsample at any time after channels have been added to obj.
getsample is not supported for sound cards and Dynamic Signal Acquisition and Generation (DSA) cards.

Note Refer to the Vendor Limitations section before you access National Instruments devices with the NI-DAQmx adaptor simultaneously from multiple applications.

Examples

Create the analog input object ai and add eight channels to it.

ai = analoginput('nidaq','Dev1');
ch = addchannel(ai,0:7);

The following command returns one sample for each channel.

sample = getsample(ai);

getsample - Immediately acquire one analog input sample

Syntax

Arguments

Description

Remarks

Examples

See Also

Functions

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