niDMM_ConfigureTriggerSlope
ViStatus = niDMM_ConfigureTriggerSlope(ViSession Instrument_Handle, ViInt32 Trigger_Slope)
Purpose
Sets the NIDMM_ATTR_TRIGGER_SLOPE attribute to either rising edge (positive) or falling edge (negative) polarity.
Parameters
Input |
Name |
Type |
Description |
Instrument_Handle |
ViSession |
Identifies a particular instrument session. You obtain the Instrument_Handle parameter from niDMM_init or niDMM_InitWithOptions. The default is None.
|
Trigger_Slope |
ViInt32 |
Specifies the polarity of the trigger signal on which the measurement is triggered for values of either NIDMM_VAL_POSITIVE or NIDMM_VAL_NEGATIVE. The driver sets the NIDMM_ATTR_TRIGGER_SLOPE attribute to this value.
NIDMM_VAL_POSITIVE |
0 |
The driver triggers on the rising edge of the trigger signal. |
NIDMM_VAL_NEGATIVE (default) |
1 |
The driver triggers on the falling edge of the trigger signal. |
|
Return Value
Name |
Type |
Description |
Status |
ViStatus |
Reports the Status of this operation. To obtain a text description of the status code, call
niDMM_error_message. To obtain additional information concerning the error condition, use
niDMM_GetError. |