Delta Electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC-A01 User Manual
Page 524
Chapter 42 Other API | PCI-DMC-A01 / PCI-DMC-B01
42-2
Revised March, 2012
42.1 _misc_app_get_circle_endpoint
FORMAT
I16 PASCAL _misc_app_get_circle_endpoint (I32 Start_X, I32 Start_Y, I32 Center_X,
I32 Center_Y, F64 Angle, I32* End_x, I32* End_y)
Purpose
Retrieves endpoint coordinates (X, Y) required for arc interpolation.
Parameters
Name
Data Type
Unit
Description
Start_X I32
Number
of
pulses Starting
X-coordinate
Start_Y
I32
Number of pulses
Starting Y-coordinate
Center_X I32
Number
of
pulses
Center point's X-coordinate.
Center_Y
I32
Number of pulses
Center point's Y-coordinate.
Angle
F64
Degree (°)
Set arc angle. One full arc is 360
o
End_x
I32*
Number of pulses
Endpoint's X-coordinate.
End_y I32*
Number
of
pulses Endpoint's
Y-coordinate.
Example
I32 Start_X=0, Start_Y=0;
I32 Center_X=100000, Center_Y=0;
I32 End_x, End_y;
F64 Angle=180;
I16 status = _misc_app_get_circle_endpoint (Start_X, Start_Y, Center_X, Center_Y, Angle,
&End_x, &End_y);