National Instruments IEEE 1394 Uživatelský manuál stáhnout pdf (Strana 22)

Chapter 2 Basic Acquisition with NI-IMAQ for IEEE 1394 Cameras

Sequence

A sequence acquires a specified number of internal buffers and then stops.

Figure 2-4 illustrates the typical programming order of a high-level

sequence acquisition.

Figure 2-4. High-Level Sequence Flowchart

Use a sequence in applications where you need to process a series of

consecutive images. Sequence acquisitions are synchronous. If you do not

specify a session, a temporary session is created using

cam0.

Low-Level Function Examples

Use low-level functions for more advanced programming techniques. In

general, low-level functions have more parameters than high-level

functions.

Opens and Configures Camera

Executes User-Specific Image Processing

Closes the Camera Session

Acquires a Specified Number

of Buffers and Stops

(Loop)

Initialize

Sequence

User-Specific Functions

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 60 61

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National Instruments IEEE 1394 Uživatelský manuál Strana 22