Data Acquisition Toolbox™

Function Reference

Device Object Creation

addchannel	Add hardware channels to analog input or output object
addline	Add hardware lines to digital I/O object
addmuxchannel	Add hardware channels to analog input objects when using National Instruments multiplexer board

get	Device object properties
inspect	Open Property Inspector
set	Configure or display device object properties
setverify	Configure and return specified property

islogging	Determine whether analog input object is logging data
isrunning	Determine whether device object is running
issending	Determine whether analog output object is sending data
start	Start device object
stop	Stop device object
trigger	Manually execute trigger for analog input or output object
wait	Wait until analog input or output device object stops running

flushdata	Remove analog input data from data acquisition engine
getdata	Extract analog input data, time, and event information from data acquisition engine
getsample	Immediately acquire one analog input sample
getvalue	Read values from digital input and output lines
peekdata	Preview most recent acquired analog input data
putdata	Queue analog output data in engine for eventual output
putsample	Immediately output one analog output sample
putvalue	Write values to digital input and output lines

daqhelp	Help for device objects, constructors, adaptors, functions, and properties
daqhwinfo	Data acquisition hardware information
propinfo	Property characteristics for device objects, channels, or lines

binvec2dec	Convert digital input and output binary vector to decimal value
clear	Remove device objects from MATLAB workspace
daqcallback	Callback function that displays event information for specified event
daqfind	Return device objects, channels, or lines from data acquisition engine to MATLAB workspace
daqmem	Allocate or display analog input and output memory resources
daqread	Read the Data Acquisition Toolbox (.`daq`) file for analog input
daqregister	Register or unregister hardware driver adaptor
daqreset	Remove device objects, engine MEX-file, and adaptor DLLs from memory
dec2binvec	Convert digital input and output decimal value to binary vector
delete	Remove device objects, channels, or lines from data acquisition engine
disp	Summary information for device objects, channels, or lines
ischannel	Check for channels
isdioline	Check for lines
isvalid	Determine whether device objects, channels, or lines are valid
length	Length of device object, channel group, or line group
load	Load device objects, channels, or lines into MATLAB workspace
makenames	List descriptive channel or line names
muxchanidx	Multiplexed scanned analog input channel index
obj2mfile	Convert device objects, channels, or lines to the MATLAB code
save	Save device objects to MAT-file
showdaqevents	Analog input and output event log information
size	Size of device object, channel group, or line group

Building Simulink Models to Acquire Data from a Device

Functions — Alphabetical List