GxAoGetGroupExternalUpdate

Purpose

Returns the specified group external update enable state.

Applies

GX1642, GX1648

Syntax

GxAoGetGroupExternalUpdate (nHandle, nGroup, pbEnabled, pnStatus)

Parameters

Name
Type
Description
nHandle
SHORT
Handle to a GX6xx board
nGroup
SHORT
Group number:
0.   GXAO_GROUPA
1.   GXAO_GROUPB
2.   GXAO_GROUPC
3.   GXAO_GROUPD
pbEnabled
PBOOL
Return TRUE if the group external update is enabled and FALSE if disabled.
pnStatus
PSHORT
Returned status: 0 on success, negative number on failure.

Comments

When enabled a low on the group’s external update pin will continuously update the group voltage causing its DACs to be loaded from the channel register as set by the GxAoSetChannelVoltage.

Example

The following example returns group A external update enable state:

 

SHORT nStatus

BOOL bEnabled;

 

GxAoGetGroupExternalUpdate (nHandle, GXAO_GROUPA, &bEnabled, &nStatus);

 

See Also

GxAoSetGroupExternalUpdate, GxAoSetChannelVoltage, GxAoSetGroupVoltageRange, GxAoGetGroupVoltageRange, GxAoGetErrorString