National Instruments NI-Motion, User Manual

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Chapter 12 Synchronization
© National Instruments Corporation 12-29 NI-Motion User Manual
LabVIEW Code
Figure 12-17. Buffered High-Speed Capture in LabVIEW
C/C++ Code
The following example code is not necessarily complete, and may
not compile if copied exactly. Refer to the
examples
folder on the
NI-Motion CD for files that are complete and compile as is.
// Main Function
void main(void)
{
u8 boardID;// Board identification number
u8 axis;// Axis number
u16 csr = 0;// Communication status register
i32 bufferSize = 100;// The size of the buffer to
allocate on the // motion controller
u32 totalPoints = 100;// The number of high speed
capture to // acquire
i32 capturedPositions[100];// Array to store the
captured // positions
f64 actualInterval;// The interval at which the
motion controller can // really contour
u32 backlog;// Indicates the available space for
captured positions
1 Configure Buffer
2 Configure High-Speed Capture
3 Enable High-Speed Capture
4 Check Buffer
5 Read Buffer
6 Clear Buffer
7 Motion Error Handler
4
1
6 7
3 2
5