DCAEdgeTrigger Class Reference

Simple edge trigger for Agilent DCA oscilloscopes. More...

#include <DCAEdgeTrigger.h>

Inheritance diagram for DCAEdgeTrigger:

Collaboration diagram for DCAEdgeTrigger:

Public Types
enum	EdgeType { EDGE_RISING , EDGE_FALLING }
	Types of edges to trigger on. More...
Public Types inherited from Trigger
enum	Condition {   CONDITION_EQUAL , CONDITION_NOT_EQUAL , CONDITION_LESS , CONDITION_LESS_OR_EQUAL ,   CONDITION_GREATER , CONDITION_GREATER_OR_EQUAL , CONDITION_BETWEEN , CONDITION_NOT_BETWEEN ,   CONDITION_ANY }
	Conditions for triggers that perform logical comparisons of values. More...
typedef Trigger *(*	CreateProcType) (Oscilloscope *)
Public Types inherited from FlowGraphNode
enum class	ExecutionCapabilities {   None = 0 , CommandBufferAppend = 1 , CommandBufferTailCall = 2 , VulkanOnly = 4 ,   DynamicShader = 8 }
typedef std::map< std::string, FilterParameter >	ParameterMapType
	Short name for a map of strings to parameters.

Public Member Functions
	DCAEdgeTrigger (Oscilloscope *scope)
	Initialize a new trigger.
void	SetType (EdgeType type)
	Set the type of the edge to trigger on.
EdgeType	GetType ()
	Gets the currently selected edge type.
virtual bool	ValidateChannel (size_t i, StreamDescriptor stream) override
	Check if a stream is allowed to be connected to the given input.
	TRIGGER_INITPROC (DCAEdgeTrigger)
Public Member Functions inherited from Trigger
	Trigger (Oscilloscope *scope)
	Initialize a new trigger.
virtual void	Refresh (vk::raii::CommandBuffer &cmdBuf, std::shared_ptr< QueueHandle > queue) override
float	GetLevel ()
	Get the trigger level.
float	GetUpperLevel ()
void	SetLevel (float level)
	Sets the trigger level.
void	SetUpperLevel (float level)
Oscilloscope *	GetScope ()
	Gets the scope this trigger is attached to.
virtual std::string	GetTriggerDisplayName ()=0
virtual YAML::Node	SerializeConfiguration (IDTable &table) override
	Serializes this trigger's configuration to a YAML string.
Public Member Functions inherited from FlowGraphNode
void	DetachInputs ()
	Disconnects all inputs from the node without releasing them.
size_t	GetInputCount ()
	Get the number of input ports.
std::string	GetInputName (size_t i)
void	SetInput (size_t i, StreamDescriptor stream, bool force=false)
	Connects a stream to the input of this node.
void	SetInput (const std::string &name, StreamDescriptor stream, bool force=false)
bool	HasInput (StreamDescriptor desc)
	Checks if the given stream is connected to at least one of our inputs.
StreamDescriptor	GetInput (size_t i)
	Gets the descriptor for one of our inputs.
std::shared_ptr< InputConstraint >	GetInputConstraints (size_t i)
	Get the constraints on one of our inputs.
FilterParameter &	GetParameter (std::string s)
bool	HasParameter (std::string s)
	Checks if we have a parameter with a given name.
ParameterMapType::iterator	GetParamBegin ()
	Returns an iterator to the beginning of our parameter map.
ParameterMapType::iterator	GetParamEnd ()
	Returns an iterator to the end of our parameter map.
size_t	GetParamCount ()
	Returns the number of parameter we have.
virtual void	LoadParameters (const YAML::Node &node, IDTable &table)
	Load configuration from a save file.
virtual void	LoadInputs (const YAML::Node &node, IDTable &table)
bool	IsDownstreamOf (std::set< FlowGraphNode * > nodes)
	Determines if this node is downstream of any of the specified other nodes.
virtual uint32_t	GetExecutionCapabilitiesMask ()
	Returns a bitmask of ExecutionCapabilities fields.
bool	HasMessages () const
	Checks if this graph has any messages.
const std::vector< FlowGraphNodeMessage > &	GetMessages () const
	Walking through any messages.
const FlowGraphNodeMessage *	GetMostSevereMessage () const
void	AddSink (size_t stream, FlowGraphNode *node)
void	RemoveSink (size_t stream, FlowGraphNode *node)
const std::set< FlowGraphNode * > &	GetSinks (size_t stream)
sigc::signal< void()>	signal_parametersChanged ()
sigc::signal< void()>	signal_inputsChanged ()

Static Public Member Functions
static std::string	GetTriggerName ()
	Return the constant trigger name "DCA Edge".
Static Public Member Functions inherited from Trigger
static void	DoAddTriggerClass (std::string name, CreateProcType proc)
	Register a new trigger class for dynamic creation.
static void	EnumTriggers (std::vector< std::string > &names)
	Gets a list of all registered trigger types.
static Trigger *	CreateTrigger (std::string name, Oscilloscope *scope)
	Creates a new trigger for an oscilloscope.

Protected Attributes
FilterParameter &	m_type
	Edge type.
Protected Attributes inherited from Trigger
Oscilloscope *	m_scope
	The scope this trigger is part of.
FilterParameter &	m_level
	"Trigger level" parameter
FilterParameter &	m_triggerLevel
FilterParameter &	m_upperLevel
Protected Attributes inherited from FlowGraphNode
std::vector< std::shared_ptr< InputDescriptor > >	m_inputs
	Input ports.
std::vector< std::set< FlowGraphNode * > >	m_sinks
	The nodes (if any) that each of our streams drives.
ParameterMapType	m_parameters
sigc::signal< void()>	m_parametersChangedSignal
	Signal emitted when the set of parameters changes.
sigc::signal< void()>	m_inputsChangedSignal
	Signal emitted when the set of inputs changes.
std::vector< FlowGraphNodeMessage >	m_messages

Additional Inherited Members
Protected Types inherited from Trigger
typedef std::map< std::string, CreateProcType >	CreateMapType
	Helper typedef for m_createprocs.
Protected Member Functions inherited from FlowGraphNode
virtual void	OnInputChanged (size_t i)
	Called when a new input is connected to the node.
WaveformBase *	GetInputWaveform (size_t i)
	Gets the waveform attached to the specified input.
SparseAnalogWaveform *	GetSparseAnalogInputWaveform (size_t i)
	Gets the analog waveform attached to the specified input.
UniformAnalogWaveform *	GetUniformAnalogInputWaveform (size_t i)
	Gets the analog waveform attached to the specified input.
SparseDigitalWaveform *	GetSparseDigitalInputWaveform (size_t i)
	Gets the digital waveform attached to the specified input.
UniformDigitalWaveform *	GetUniformDigitalInputWaveform (size_t i)
	Gets the digital waveform attached to the specified input.
virtual void	CreateInput (const std::string &name)
	Gets the digital bus waveform attached to the specified input.
template<class T , class... Args>
void	CreateInput (const std::string &name, Args &&... args)
std::string	GetInputDisplayName (size_t i)
	Gets the display name for one of our inputs.
void	ClearMessages ()
	Remove any messages left over from the last graph refresh.
void	AddMessage (const FlowGraphNodeMessage &msg)
	Attach a new message to the node.
void	AddMessage (Severity severity, const std::string &title, const std::string &message)
	Attach a new message to the node.
void	AddErrorMessage (const std::string &err)
	Add a new error message.
void	AddErrorMessage (const std::string &title, const std::string &err)
	Add a new error message with a title.
Static Protected Attributes inherited from Trigger
static CreateMapType	m_createprocs
	Map of trigger type names to factory methods.

Detailed Description

Simple edge trigger for Agilent DCA oscilloscopes.

Member Enumeration Documentation

EdgeType

enum DCAEdgeTrigger::EdgeType

Types of edges to trigger on.

Enumerator
EDGE_RISING	Low to high transition.
EDGE_FALLING	High to low transition.

Constructor & Destructor Documentation

DCAEdgeTrigger()

DCAEdgeTrigger::DCAEdgeTrigger

(

Oscilloscope *

scope

)

Initialize a new trigger.

Parameters

scope

The instrument this trigger is being created for

Member Function Documentation

SetType()

void DCAEdgeTrigger::SetType ( EdgeType  type )

inline

Set the type of the edge to trigger on.

Parameters

type

Edge type

ValidateChannel()

bool DCAEdgeTrigger::ValidateChannel ( size_t  i, StreamDescriptor  stream  )

overridevirtual

Check if a stream is allowed to be connected to the given input.

Reimplemented from FlowGraphNode.

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

• lib/scopehal/DCAEdgeTrigger.h
• lib/scopehal/DCAEdgeTrigger.cpp