Initiate data logging
trigger(obj) initiates data logging for
the video input object
be either a single video input object or an array of video input objects.
Executes the object's
Records the absolute time of the first trigger event
in the object's
Configures the object's
obj must be running and its
must be set to
'manual'. To start an object running,
The trigger event is recorded in the object's
trigger function can be called by a video
input object's event callback.
obj.StartFcn = @trigger;