National Instruments NI-Motion PART IV Creating Applications Using NI-Motion Chapter 15 Scanning

Contents

NI-Motion User Manual x ni.com

C/C++ Code....................................................................................................14-6

Running, Stopping, and Pausing Onboard Programs....................................................14-8

Running an Onboard Program........................................................................ 14-8

Stopping an Onboard Program........................................................................14-8

Pausing/Resuming an Onboard Program........................................................14-8

Automatic Pausing............................................................................14-9

Single-Stepping Using Pause............................................................14-9

Conditionally Executing Onboard Programs.................................................................14-9

Onboard Program Conditional Execution Algorithm..................................... 14-11

LabVIEW Code...............................................................................................14-12

C/C++ Code....................................................................................................14-12

Using Onboard Memory and Data................................................................................ 14-14

Algorithm........................................................................................................14-15

LabVIEW Code...............................................................................................14-16

C/C++ Code....................................................................................................14-17

Branching Onboard Programs.......................................................................................14-19

Onboard Program Algorithm..........................................................................14-20

LabVIEW Code...............................................................................................14-21

C/C++ Code....................................................................................................14-22

Math Operations............................................................................................................14-24

Indirect Variables..........................................................................................................14-24

Onboard Buffers............................................................................................................14-25

Algorithm........................................................................................................14-26

Synchronizing Host Applications with Onboard Programs .......................................... 14-26

LabVIEW Code...............................................................................................14-28

C/C++ Code....................................................................................................14-30

Onboard Subroutines.....................................................................................................14-34

Algorithm........................................................................................................14-34

LabVIEW Code...............................................................................................14-35

C/C++ Code....................................................................................................14-38

Automatically Starting Onboard Programs...................................................................14-42

Changing a Time Slice..................................................................................................14-42

PART IVCreating Applications Using NI-MotionChapter 15Scanning

Connecting Straight-Line Move Segments................................................................... 15-1

Raster Scanning Using Straight Lines Algorithm...........................................15-2

LabVIEW Code...............................................................................................15-3

C/C++ Code....................................................................................................15-4