Configure Pattern Match Ref Trigger (U32)
- Updated2023-02-17
- 3 minute(s) read
Configure Pattern Match Ref Trigger (U32)
Configures the Reference trigger for pattern match triggering.
If the Reference trigger asserts before the required number of pretrigger samples are acquired, it is ignored. This node is valid only for acquisition sessions.
Inputs/Outputs

channel list
The channels that are configured for pattern matching using the pattern array value.

session in
Instrument session obtained from the Initialize Acquisition Sessionnode, the Initialize Generation Sessionnode, or the Initialize External Calibrationnode.

error in
Error conditions that occur before this node runs.
The node responds to this input according to standard error behavior.
Default value: No error

pattern
The binary pattern that activates the pattern match trigger under the conditions specified in trigger when.
Bits on channels not specified in channel list are ignored.
Default value: 0

trigger when
The conditions under which the trigger is sent.
Pattern matches | The trigger is asserted when the sampled pattern matches the pattern specified in pattern. |
Pattern does not match | The trigger is asserted when the sampled pattern does not match the pattern specified in pattern. |
Default value: Pattern matches

pretrigger samples
The number of pretrigger samples the device must receive before the Reference trigger is acknowledged.
Default value: 500

session out
Handle that identifies the session in all subsequent node calls.
The session out parameter is obtained from the Initialize Acquisition Sessionnode or the Initialize Generation Sessionnode.

error out
Error information.
The node produces this output according to standard error behavior.