Slew rate trigger - trigger when an edge rate meets the specified conditions. More...

#include <SlewRateTrigger.h>

Inheritance diagram for SlewRateTrigger:

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Collaboration diagram for SlewRateTrigger:

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Public Types
enum	EdgeType { EDGE_RISING , EDGE_FALLING , EDGE_ANY }
	Edge directions. 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	DataLocation { LOC_CPU , LOC_GPU , LOC_DONTCARE }

typedef std::map< std::string, FilterParameter >	ParameterMapType
	Short name for a map of strings to parameters.

Public Member Functions
	SlewRateTrigger (Oscilloscope *scope)
	Initialize the trigger. More...

virtual bool	ValidateChannel (size_t i, StreamDescriptor stream) override

	TRIGGER_INITPROC (SlewRateTrigger)

int64_t	GetUpperInterval ()
	Get the upper limit on edge duration.

void	SetUpperInterval (int64_t interval)
	Sets the upper limit on edge duration. More...

int64_t	GetLowerInterval ()
	Get the lower limit on edge duration.

void	SetLowerInterval (int64_t interval)
	Sets the lower limit on edge duration. More...

void	SetCondition (Condition type)
	Set the logical condition for the trigger. More...

Condition	GetCondition ()
	Get the logical condition for the trigger.

void	SetSlope (EdgeType type)
	Set the edge direction to trigger on. More...

EdgeType	GetSlope ()
	Get the edge direction.

Public Member Functions inherited from TwoLevelTrigger
	TwoLevelTrigger (Oscilloscope *scope)
	Create a two-level trigger. More...

float	GetUpperBound ()
	Gets the upper of the two trigger levels. More...

void	SetUpperBound (float level)
	Sets the upper trigger level. More...

float	GetLowerBound ()
	Gets the lower of the two trigger levels.

void	SetLowerBound (float level)
	Sets the lower trigger level. More...

Public Member Functions inherited from Trigger
	Trigger (Oscilloscope *scope)
	Initialize a new trigger. More...

float	GetLevel ()
	Get the trigger level.

void	SetLevel (float level)
	Sets the trigger level. More...

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. More...

Public Member Functions inherited from FlowGraphNode
void	DetachInputs ()
	Disconnects all inputs from the node without releasing them. More...

size_t	GetInputCount ()

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. More...

void	SetInput (const std::string &name, StreamDescriptor stream, bool force=false)

virtual bool	ValidateChannel (size_t i, StreamDescriptor stream)

StreamDescriptor	GetInput (size_t i)
	Gets the descriptor for one of our inputs.

FilterParameter &	GetParameter (std::string s)

bool	HasParameter (std::string s)
	Checks if we have a parameter with a given name. More...

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 YAML::Node	SerializeConfiguration (IDTable &table)
	Serializes this trigger's configuration to a YAML string. More...

virtual void	LoadParameters (const YAML::Node &node, IDTable &table)
	Load configuration from a save file. More...

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. More...

virtual DataLocation	GetInputLocation ()
	Gets the desired location of the nodes's input data. More...

virtual void	Refresh ()
	Evaluates a filter graph node. More...

virtual void	Refresh (vk::raii::CommandBuffer &cmdBuf, std::shared_ptr< QueueHandle > queue)

sigc::signal< void()>	signal_parametersChanged ()

sigc::signal< void()>	signal_inputsChanged ()

Static Public Member Functions
static std::string	GetTriggerName ()
	Return the constant trigger name "Slew Rate".

Static Public Member Functions inherited from Trigger
static void	DoAddTriggerClass (std::string name, CreateProcType proc)
	Register a new trigger class for dynamic creation. More...

static void	EnumTriggers (std::vector< std::string > &names)
	Gets a list of all registered trigger types. More...

static Trigger *	CreateTrigger (std::string name, Oscilloscope *scope)
	Creates a new trigger for an oscilloscope. More...

Protected Attributes
FilterParameter &	m_condition
	Target condition to search for.

FilterParameter &	m_lowerInterval
	Lower interval.

FilterParameter &	m_upperInterval
	Upper interval.

FilterParameter &	m_slope
	Slope.

Protected Attributes inherited from TwoLevelTrigger
FilterParameter &	m_lowerLevel
	Lower voltage threshold.

Protected Attributes inherited from Trigger
Oscilloscope *	m_scope
	The scope this trigger is part of.

FilterParameter &	m_level
	"Trigger level" parameter

Protected Attributes inherited from FlowGraphNode
std::vector< std::string >	m_signalNames
	Names of signals we take as input.

std::vector< StreamDescriptor >	m_inputs
	The channel (if any) connected to each of our inputs.

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.

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. More...

WaveformBase *	GetInputWaveform (size_t i)
	Gets the waveform attached to the specified input. More...

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.

SparseDigitalBusWaveform *	GetSparseDigitalBusInputWaveform (size_t i)
	Gets the digital bus waveform attached to the specified input.

void	CreateInput (const std::string &name)
	Creates and names an input signal.

std::string	GetInputDisplayName (size_t i)
	Gets the display name for one of our inputs. More...

Static Protected Attributes inherited from Trigger
static CreateMapType	m_createprocs
	Map of trigger type names to factory methods.

Detailed Description

Slew rate trigger - trigger when an edge rate meets the specified conditions.

Member Enumeration Documentation

◆ EdgeType

enum SlewRateTrigger::EdgeType

Edge directions.

Enumerator
EDGE_RISING	Rising edge.
EDGE_FALLING	Falling edge.
EDGE_ANY	Either rising or falling edge.

Constructor & Destructor Documentation

◆ SlewRateTrigger()

SlewRateTrigger::SlewRateTrigger ( Oscilloscope * scope )

Initialize the trigger.

Parameters

scope The scope this trigger will be used with

Member Function Documentation

◆ SetCondition()

void SlewRateTrigger::SetCondition ( Condition type )

inline

Set the logical condition for the trigger.

Parameters

type	Trigger condition

◆ SetLowerInterval()

void SlewRateTrigger::SetLowerInterval ( int64_t interval )

inline

Sets the lower limit on edge duration.

Parameters

interval Time from crossing first to second level, in fs

◆ SetSlope()

void SlewRateTrigger::SetSlope ( EdgeType type )

inline

Set the edge direction to trigger on.

Parameters

type	Type of edge to trigger on

◆ SetUpperInterval()

void SlewRateTrigger::SetUpperInterval ( int64_t interval )

inline

Sets the upper limit on edge duration.

Parameters

interval Time from crossing first to second level, in fs

◆ ValidateChannel()

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

overridevirtual

Reimplemented from FlowGraphNode.

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

lib/scopehal/SlewRateTrigger.h
lib/scopehal/SlewRateTrigger.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ EdgeType

Constructor & Destructor Documentation

◆ SlewRateTrigger()

Member Function Documentation

◆ SetCondition()

◆ SetLowerInterval()

◆ SetSlope()

◆ SetUpperInterval()

◆ ValidateChannel()