MATLAB IMAGE ACQUISITION TOOLBOX - RELEASE NOTES Guia do Utilizador descarregar pdf (Página 159)

Creating a Stub Adaptor Test Procedure

8-5

Test Procedures Expected Results

vidObj = videoinput

('AdaptorName')

format without any error and its details

should be displayed at the MATLAB

command prompt. This will not work if only

device files are supported. The details should

be similar to:

Summary of Video Input Object Using

'MyDevice'.

Acquisition Source(s): MyDeviceSource is

available.

Acquisition Parameters:

'MyDeviceSource' is the current selected

source.

10 frames per trigger using the selected

source.

'640x480' video data to be logged upon

start.

Grabbing first of every 1 frame(s).

Log data to 'memory' on trigger.

Trigger Parameters:

1 'immediate' trigger(s) on start.

Status: Waiting for start.

0 frames acquired since starting.

0 frames available for getData.

where MyDevice is the device connected.

Run the following commands:

delete(vidObj);

vidObj

The following message should get displayed:

Invalid Image Acquisition object.

This object is not associated with any

hardware and should be removed from your

workspace using clear.

Run the following commands:

vidObj = videoinput

('AdaptorName');

imaqreset;

vidObj

The following message should get displayed:

Invalid Image Acquisition object.

This object is not associated with any

hardware and should be removed from your

workspace using clear.

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