DioFreqDoublerSetupClkSource

Applies To

GX5150

Purpose

Sets up the clock source for the Frequency Doubler I/O module.

Syntax

DioFreqDoublerSetupClkSource (nHandle, nClkSource, pnStatus)

Parameters

Name	Type	Comments
nHandle	SHORT	Board handle.
nClkSource	SHORT	Clock source can have the following values: 0 Internal. 1 External.
pnStatus	PSHORT	Returned status: 0 on success, negative number on failure.

Comments

If the Frequency Doubler I/O module is installed on the GX5150 board, the module can be set by either calling DioSetupClkStrobeSource or DioFreqDoublerSetupClkSource functions.

Example

The following example sets the clock source to external and then verifies the settings:

SHORT nStatus, nSource;

DioFreqDoublerSetupClkSource (nHandle, 1, &nStatus);

DioFreqDoublerGetClkSource (nHandle, &nSource, &nStatus);