IviDmm_ConfigureTriggerSlope

CVI/LabWindows IVI Class Driver

IviDmm_ConfigureTriggerSlope

IviDmmTriggerSlope Capability Group

C Function Prototype

ViStatus IviDmm_ConfigureTriggerSlope (ViSession vi, ViInt32 polarity);

Purpose

This function configures the polarity of the external trigger source of the DMM.

Parameters

Name Type Description
vi ViSession The instrument handle that you obtain from the IviDmm_init or IviDmm_InitWithOptions functions. The handle identifies a particular IVI session.
triggerSlope ViInt32 Pass the polarity of the external trigger slope. The driver sets the IVIDMM_ATTR_TRIGGER_SLOPE attribute to this value. The DMM triggers on either the rising or the falling edge of the external trigger source, depending on the value of this attribute.

Defined Values:

IVIDMM_VAL_POSITIVE (Default)—The driver triggers on the rising edge of the external trigger.

IVIDMM_VAL_NEGATIVE—The driver triggers on the falling edge of the external trigger.

Return Values