DAQmxCfgDigEdgeStartTrig
From NI-DAQmx C Functions
DAQmxCfgDigEdgeStartTrig
int32 DAQmxCfgDigEdgeStartTrig (TaskHandle taskHandle, const char triggerSource[], int32 triggerEdge);
Purpose
Configures the task to start acquiring or generating samples on a rising or falling edge of a digital signal.
Parameters
| Input | |||||||||||
| Name | Type | Description | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| taskHandle | TaskHandle | The task used in this function. | |||||||||
| triggerSource |
|
The name of a terminal where there is a digital signal to use as the source of the trigger. | |||||||||
| triggerEdge | int32 | Specifies on which edge of a digital signal to start acquiring or generating samples.
|
Return Value
| Name | Type | Description |
|---|---|---|
| status | int32 | The error code returned by the function in the event of an error or warning. A value of 0 indicates success. A positive value indicates a warning. A negative value indicates an error. |