DAQmxCfgDigPatternStartTrig

int32 DAQmxCfgDigPatternStartTrig (TaskHandle taskHandle, const char triggerSource[], const char triggerPattern[], int32 triggerWhen);

Purpose

Configures a task to start acquiring or generating samples when a digital pattern is matched.

Parameters

Input
Name	Type	Description
taskHandle	TaskHandle	The task used in this function.
triggerSource	const char []	Specifies the physical channels to use for pattern matching. The order of the physical channels determines the order of the pattern. If a port is included, the order of the physical channels within the port is in ascending order.
triggerPattern	const char []	Specifies the digital pattern that must be met for the trigger to occur.
triggerWhen	int32	Specifies the conditions under which the trigger occurs. Value Description DAQmx_Val_PatternMatches Pattern matches DAQmx_Val_PatternDoesNotMatch Pattern does not match

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.