Callback VI Reference Function

Owning Palette: Interrupt VIs

Requires: myRIO, roboRIO, ELVIS RIO Control, or ELVIS III Toolkit

Maintains a static reference to a callback VI. After you place the Callback VI Reference function on the block diagram, double-click the Callback VI Reference function to display a file dialog box where you can select a callback VI.

You can also right-click the Callback VI Reference function and select Browse for Path from the shortcut menu to display the file dialog box. When you replace the Callback VI Reference function with a callback VI in memory, the icon changes to match the VI you selected.

Details  

vi reference returns the reference number associated with the callback VI. This output is a strictly typed VI reference, meaning that it identifies the connector pane of the callback VI that you use. After you replace the Callback VI Reference function with a callback VI, wire the vi reference output to the Callback VI Reference input of the Create Timer Interrupt VI, Register Analog Input Interrupt VI, or Register Digital Input Interrupt VI.

Callback VI Reference Details

Related Information

Using Callback VIs (myRIO Toolkit)

Using Callback VIs (roboRIO Toolkit)

Using Callback VIs (ELVIS RIO Control Toolkit)

Using Callback VIs (ELVIS III Toolkit)