NIHSDIO_ATTR_REF_TRIGGER_PRETRIGGER_SAMPLES
Specific Attribute
| Data type |
Access | Applies to | Coercion | High-Level Functions |
|---|---|---|---|---|
| ViInt32 | R/W | N/A | None |
niHSDIO_ConfigureDigitalEdgeRefTrigger niHSDIO_ConfigurePatternMatchRefTrigger niHSDIO_ConfigureSoftwareRefTrigger |
Description
Specifies the number of pretrigger samples to be acquired per record (for example, the samples acquired before the Reference trigger is received). The number of pretrigger samples cannot be greater than NIHSDIO_ATTR_SAMPLES_PER_RECORD.
This attribute is valid only for acquisition sessions.