TriggerGroup Class Reference

A trigger group is a set of oscilloscopes that all trigger in lock-step. More...

#include <TriggerGroup.h>

Collaboration diagram for TriggerGroup:

Public Types
enum	TriggerType { TRIGGER_TYPE_SINGLE , TRIGGER_TYPE_FORCED , TRIGGER_TYPE_AUTO , TRIGGER_TYPE_NORMAL }

Public Member Functions
	TriggerGroup (std::shared_ptr< Oscilloscope > primary, Session *session)
void	RemoveScope (std::shared_ptr< Oscilloscope > scope)
void	RemoveFilter (PausableFilter *f)
void	MakePrimary (std::shared_ptr< Oscilloscope > scope)
	Make a scope (which must currently be a secondary) the primary.
void	AddSecondary (std::shared_ptr< Oscilloscope > scope)
	Adds a secondary scope to this group.
void	AddFilter (PausableFilter *f)
void	Arm (TriggerType type)
	Arm the trigger for the group.
void	Stop ()
	Stop the trigger for the group. More...
bool	CheckForPendingWaveforms ()
	Return true if all of the scopes in the group have triggered.
void	DownloadWaveforms ()
	Grab waveforms from the group.
void	RearmIfMultiScope ()
bool	empty ()
bool	HasScopes ()
bool	HasSecondaries ()
std::string	GetDescription ()

Public Attributes
std::shared_ptr< Oscilloscope >	m_primary
std::vector< std::shared_ptr< Oscilloscope > >	m_secondaries
std::vector< PausableFilter * >	m_filters
bool	m_default
	True if we should be activated when the start/stop toolbar button is clicked.

Protected Member Functions
void	DetachAllWaveforms (std::shared_ptr< Oscilloscope > scope)

Protected Attributes
Session *	m_session
bool	m_multiScopeFreeRun
	True if we have multiple scopes and are in normal trigger mode.

Detailed Description

A trigger group is a set of oscilloscopes that all trigger in lock-step.

One instrument, designated "primary", is used as the trigger reference for all other scopes in the group ("secondaries").

Mandatory external connection: Trigger out of primary to trigger in of each secondary Cable lengths need not be matched, the dewskew wizard will measure and calibrate out the trigger path delay

Strongly recommended external connection: Common reference clock supplied to all instruments in the group If instruments do not share a common clock, drift will worsen with increasing capture depth

Member Function Documentation

Stop()

void TriggerGroup::Stop

(

)

Stop the trigger for the group.

Clear out any pending data (the user doesn't want it, and we don't want stale stuff hanging around)

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The documentation for this class was generated from the following files:

• src/ngscopeclient/TriggerGroup.h
• src/ngscopeclient/TriggerGroup.cpp