Timer Output

Configure the timer output subsystem. More...

Functions
UlError	ulTmrPulseOutStart (DaqDeviceHandle daqDeviceHandle, int timerNum, double *frequency, double *dutyCycle, unsigned long long pulseCount, double *initialDelay, TmrIdleState idleState, PulseOutOption options)
	Starts a timer to generate digital pulses at a specified frequency and duty cycle. More...
UlError	ulTmrPulseOutStop (DaqDeviceHandle daqDeviceHandle, int timerNum)
	Stops a timer output. More...
UlError	ulTmrPulseOutStatus (DaqDeviceHandle daqDeviceHandle, int timerNum, TmrStatus *status)
	The status of the timer output operation, if supported. More...
UlError	ulTmrSetTrigger (DaqDeviceHandle daqDeviceHandle, TriggerType type, int trigChan, double level, double variance, unsigned int retriggerSampleCount)
	Configures the trigger parameters that will be used when ulTmrPulseOutStart() is called with the PO_RETRIGGER or PO_EXTTRIGGER PulseOutOption, when supported. More...
UlError	ulTmrGetInfo (DaqDeviceHandle daqDeviceHandle, TmrInfoItem infoItem, unsigned int index, long long *infoValue)
	Use with TmrInfoItem to retrieve information about the timer subsystem. More...
UlError	ulTmrGetInfoDbl (DaqDeviceHandle daqDeviceHandle, TmrInfoItemDbl infoItem, unsigned int index, double *infoValue)
	Use with TmrInfoItemDbl to retrieve information about the timer subsystem. More...

Detailed Description

Configure the timer output subsystem.

Function Documentation

UlError ulTmrGetInfo	(	DaqDeviceHandle	daqDeviceHandle,
		TmrInfoItem	infoItem,
		unsigned int	index,
		long long *	infoValue
	)

Use with TmrInfoItem to retrieve information about the timer subsystem.

Parameters

daqDeviceHandle	the handle to the DAQ device
infoItem	the timer information to retrieve
index	either ignored or an index into the infoValue, depending on the value of the infoItem argument
infoValue	the timer information is returned to this variable

Returns

The UL error code.

UlError ulTmrGetInfoDbl	(	DaqDeviceHandle	daqDeviceHandle,
		TmrInfoItemDbl	infoItem,
		unsigned int	index,
		double *	infoValue
	)

Use with TmrInfoItemDbl to retrieve information about the timer subsystem.

Parameters

daqDeviceHandle	the handle to the DAQ device
infoItem	the timer information to retrieve
index	either ignored or an index into the infoValue, depending on the value of the infoItem argument
infoValue	the timer information is returned to this variable

Returns

The UL error code.

UlError ulTmrPulseOutStart	(	DaqDeviceHandle	daqDeviceHandle,
		int	timerNum,
		double *	frequency,
		double *	dutyCycle,
		unsigned long long	pulseCount,
		double *	initialDelay,
		TmrIdleState	idleState,
		PulseOutOption	options
	)

Starts a timer to generate digital pulses at a specified frequency and duty cycle.

Parameters

daqDeviceHandle	the handle to the DAQ device
timerNum	the timer number
frequency	frequency of the timer pulse output
dutyCycle	duty cycle of the timer pulse output
pulseCount	the number of pulses to generate; set to 0 for continuous pulse output
initialDelay	the amount of time in seconds to wait before the first pulse is generated at the timer output
idleState	the idle state (high or low)
options	pulse out options

Returns

The UL error code.

UlError ulTmrPulseOutStatus	(	DaqDeviceHandle	daqDeviceHandle,
		int	timerNum,
		TmrStatus *	status
	)

The status of the timer output operation, if supported.

Parameters

daqDeviceHandle	the handle to the DAQ device
timerNum	the timer number
status	the status of the background operation

Returns

The UL error code.

UlError ulTmrPulseOutStop	(	DaqDeviceHandle	daqDeviceHandle,
		int	timerNum
	)

Stops a timer output.

Parameters

daqDeviceHandle	the handle to the DAQ device
timerNum	the timer number to stop

Returns

The UL error code.

UlError ulTmrSetTrigger	(	DaqDeviceHandle	daqDeviceHandle,
		TriggerType	type,
		int	trigChan,
		double	level,
		double	variance,
		unsigned int	retriggerSampleCount
	)

Configures the trigger parameters that will be used when ulTmrPulseOutStart() is called with the PO_RETRIGGER or PO_EXTTRIGGER PulseOutOption, when supported.

Parameters

daqDeviceHandle	the handle to the DAQ device
type	the digital trigger type
trigChan	ignored
level	ignored
variance	ignored
retriggerSampleCount	ignored

Returns

The UL error code.