DioSetupCounterOverflowMode

Applies To

GX5150, GX5280, GX5290, GX5290e, GX5295, File

Purpose

Enables or disables the Master board’s program counter overflow.

Syntax

DioSetupCounterOverflowMode (nMasterHandle, nOverflowMode, pnStatus)

Parameters

Name	Type	Comments
nMasterHandle	SHORT	Master board handle.
nOverflowMode	SHORT	Program counter overflow modes are: 0 Program counter overflow disabled. 1 Program counter overflow enabled.
pnStatus	PSHORT	Returned status: 0 on success, negative number on failure.

Comments

If the overflow mode is enabled then the DIO will not stop at the last step but instead wrap around to step zero and continue. If the overflow mode is disabled, then the sequencer will go to the HALT state at the last step.

The board must be in the HALT or PAUSE state.

Example

The following example enables the specified board’s program counter overflow mode:

SHORT nStatus;

DioSetupCounterOverflowMode (nHandle, 1, &nStatus);