niHSDIO_ConfigureDigitalEdgeStartTrigger
Specific Function
C Function Prototype
ViStatus niHSDIO_ConfigureDigitalEdgeStartTrigger (ViSession vi, ViConstString source, ViInt32 edge);
Purpose
Configures the Start trigger for edge triggering.
Parameters
| Name | Type | Description |
|---|---|---|
| vi | ViSession | This handle identifies your instrument session. vi was obtained from the niHSDIO_InitAcquisitionSession or niHSDIO_InitGenerationSession function. |
| source | ViConstString | You may specify any valid source terminal for this trigger. Trigger voltages and positions
are only relevant if the source of the trigger is from the front panel connectors. Refer to NIHSDIO_ATTR_DIGITAL_EDGE_START_TRIGGER_SOURCE for possible values. |
| edge | ViInt32 | Specifies the edge to detect. Defined Values NIHSDIO_VAL_RISING_EDGE (12)—Rising edge trigger. NIHSDIO_VAL_FALLING_EDGE (13)—Falling edge trigger. Default Value: NIHSDIO_VAL_RISING_EDGE |