daqaction (Data Acquisition Toolbox)

Data Acquisition Toolbox

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daqaction

Examples See Also

Display event information for the specified event.

Syntax

daqaction(obj, event)

daqaction(obj, event, arg1, arg2, ..., argn)

Description

daqaction(obj, event) is an example action function that displays the type of the event, the time of the event and the number of samples acquired at the time the event takes place. Action functions must be passed two arguments. obj is a device object and event captures the event information contained by the EventLog property.

When any of the action properties are set to daqaction, the information described above is displayed to the MATLAB command window.

Example

This example calls daqaction when a trigger event, runtime error event, or stop event occurs.

ai = analoginput('winsound');
addchannel(ai, 1);
set(ai, 'TriggerRepeat', 3);
set(ai, 'TriggerAction', 'daqaction');
set(ai, 'RuntimeErrorAction', 'daqaction');
set(ai, 'StopAction', 'daqaction');
start(ai);
delete(ai);