(Not recommended) Stop background operation
Create a continuous signal in background mode, and generate output until you explicitly stop it.
Generate output data.
s = daq.createSession('ni'); addAnalogOutputChannel(s,'cDAQ1Mod2',0,'Voltage'); s.IsContinuous = true; s.Rate = 10000; data = linspace(-1,1,5000)'; lh = addlistener(s,'DataRequired', ... @(src,event) src.queueOutputData(data)); queueOutputData(s,data) startBackground(s);
Perform other MATLAB operations during signal generation, then stop the session when you no longer need the signal.
s— Data acquisition session
Data acquisition session, specified as a session object. Create the
session object using
daq.createSession. Use the data
acquisition session for acquisition and generation operations. Create one
session per vendor and use that vendor session to perform all data
sessionobject interface is not recommended
Not recommended starting in R2020a
Use of this function with a
session object is not recommended. To
access a data acquisition device, use a
with its functions and properties instead.
For more information about using the recommended functionality, see Transition Your Code from Session to DataAcquisition Interface.