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
|
const char []
|
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.
| Value |
|
Description |
|
DAQmx_Val_Rising
|
|
Rising edge(s). |
|
DAQmx_Val_Falling
|
|
Falling edge(s). |
|
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. |