#include <logicsegment.hpp>

Inheritance diagram for pv::data::LogicSegment:

Collaboration diagram for pv::data::LogicSegment:

Classes
struct	MipMapLevel

Public Types
typedef std::pair< int64_t, bool >	EdgePair

Public Member Functions
	LogicSegment (std::shared_ptr< sigrok::Logic > logic, uint64_t samplerate, uint64_t expected_num_samples=0)

virtual	~LogicSegment ()

void	append_payload (std::shared_ptr< sigrok::Logic > logic)

void	get_samples (uint8_t *const data, int64_t start_sample, int64_t end_sample) const

void	get_subsampled_edges (std::vector< EdgePair > &edges, uint64_t start, uint64_t end, float min_length, int sig_index)

Public Member Functions inherited from pv::data::Segment
	Segment (uint64_t samplerate, unsigned int unit_size)

virtual	~Segment ()

uint64_t	get_sample_count () const

const pv::util::Timestamp &	start_time () const

double	samplerate () const

void	set_samplerate (double samplerate)

unsigned int	unit_size () const

void	set_capacity (uint64_t new_capacity)
	Increase the capacity of the segment. More...

uint64_t	capacity () const
	Get the current capacity of the segment. More...

Private Member Functions
uint64_t	unpack_sample (const uint8_t *ptr) const

void	pack_sample (uint8_t *ptr, uint64_t value)

void	reallocate_mipmap_level (MipMapLevel &m)

void	append_payload_to_mipmap ()

uint64_t	get_sample (uint64_t index) const

uint64_t	get_subsample (int level, uint64_t offset) const

Static Private Member Functions
static uint64_t	pow2_ceil (uint64_t x, unsigned int power)

Private Attributes
struct MipMapLevel	mip_map_ [ScaleStepCount]

uint64_t	last_append_sample_

Static Private Attributes
static const unsigned int	ScaleStepCount = 10

static const int	MipMapScalePower = 4

static const int	MipMapScaleFactor = 1 << MipMapScalePower

static const float	LogMipMapScaleFactor = logf(MipMapScaleFactor)

static const uint64_t	MipMapDataUnit = 64*1024

Friends
struct	LogicSegmentTest::Pow2

struct	LogicSegmentTest::Basic

struct	LogicSegmentTest::LargeData

struct	LogicSegmentTest::Pulses

struct	LogicSegmentTest::LongPulses

Additional Inherited Members
Protected Member Functions inherited from pv::data::Segment
void	append_data (void *data, uint64_t samples)

Protected Attributes inherited from pv::data::Segment
std::recursive_mutex	mutex_

std::vector< uint8_t >	data_

uint64_t	sample_count_

pv::util::Timestamp	start_time_

double	samplerate_

uint64_t	capacity_

unsigned int	unit_size_

Detailed Description

Definition at line 44 of file logicsegment.hpp.

Class Documentation

struct pv::data::LogicSegment::MipMapLevel

Definition at line 47 of file logicsegment.hpp.

Collaboration diagram for pv::data::LogicSegment::MipMapLevel:

Class Members
void *	data
uint64_t	data_length
uint64_t	length

Member Typedef Documentation

typedef std::pair<int64_t, bool> pv::data::LogicSegment::EdgePair

Definition at line 62 of file logicsegment.hpp.

Constructor & Destructor Documentation

pv::data::LogicSegment::LogicSegment	(	std::shared_ptr< sigrok::Logic >	logic,
		uint64_t	samplerate,
		uint64_t	expected_num_samples = `0`
	)

Definition at line 49 of file logicsegment.cpp.

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pv::data::LogicSegment::~LogicSegment ( )

virtual

Definition at line 61 of file logicsegment.cpp.

Member Function Documentation

void pv::data::LogicSegment::append_payload ( std::shared_ptr< sigrok::Logic > logic )

Definition at line 142 of file logicsegment.cpp.

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void pv::data::LogicSegment::append_payload_to_mipmap ( )

private

Definition at line 185 of file logicsegment.cpp.

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uint64_t pv::data::LogicSegment::get_sample ( uint64_t index ) const

private

Definition at line 262 of file logicsegment.cpp.

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void pv::data::LogicSegment::get_samples	(	uint8_t *const	data,
		int64_t	start_sample,
		int64_t	end_sample
	)		const

Definition at line 156 of file logicsegment.cpp.

uint64_t pv::data::LogicSegment::get_subsample	(	int	level,
		uint64_t	offset
	)		const

private

Definition at line 443 of file logicsegment.cpp.

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void pv::data::LogicSegment::get_subsampled_edges	(	std::vector< EdgePair > &	edges,
		uint64_t	start,
		uint64_t	end,
		float	min_length,
		int	sig_index
	)

Parses a logic data segment to generate a list of transitions in a time interval to a given level of detail.

Parameters

[out]	edges	The vector to place the edges into.
[in]	start	The start sample index.
[in]	end	The end sample index.
[in]	min_length	The minimum number of samples that can be resolved at this level of detail.
[in]	sig_index	The index of the signal.

Definition at line 269 of file logicsegment.cpp.

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void pv::data::LogicSegment::pack_sample	(	uint8_t *	ptr,
		uint64_t	value
	)

private

Definition at line 106 of file logicsegment.cpp.

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uint64_t pv::data::LogicSegment::pow2_ceil	(	uint64_t	x,
		unsigned int	power
	)

staticprivate

Definition at line 451 of file logicsegment.cpp.

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void pv::data::LogicSegment::reallocate_mipmap_level ( MipMapLevel & m )

private

Definition at line 172 of file logicsegment.cpp.

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uint64_t pv::data::LogicSegment::unpack_sample ( const uint8_t * ptr ) const

private

Definition at line 68 of file logicsegment.cpp.

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Friends And Related Function Documentation

friend struct LogicSegmentTest::Basic

friend

Definition at line 110 of file logicsegment.hpp.

friend struct LogicSegmentTest::LargeData

friend

Definition at line 111 of file logicsegment.hpp.

friend struct LogicSegmentTest::LongPulses

friend

Definition at line 113 of file logicsegment.hpp.

friend struct LogicSegmentTest::Pow2

friend

Definition at line 109 of file logicsegment.hpp.

friend struct LogicSegmentTest::Pulses

friend

Definition at line 112 of file logicsegment.hpp.

Member Data Documentation

uint64_t pv::data::LogicSegment::last_append_sample_

private

Definition at line 107 of file logicsegment.hpp.

const float pv::data::LogicSegment::LogMipMapScaleFactor = logf(MipMapScaleFactor)

staticprivate

Definition at line 58 of file logicsegment.hpp.

struct MipMapLevel pv::data::LogicSegment::mip_map_[ScaleStepCount]

private

Definition at line 106 of file logicsegment.hpp.

const uint64_t pv::data::LogicSegment::MipMapDataUnit = 64*1024

staticprivate

Definition at line 59 of file logicsegment.hpp.

const int pv::data::LogicSegment::MipMapScaleFactor = 1 << MipMapScalePower

staticprivate

Definition at line 57 of file logicsegment.hpp.

const int pv::data::LogicSegment::MipMapScalePower = 4

staticprivate

Definition at line 56 of file logicsegment.hpp.

const unsigned int pv::data::LogicSegment::ScaleStepCount = 10

staticprivate

Definition at line 55 of file logicsegment.hpp.

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

pv/data/logicsegment.hpp
pv/data/logicsegment.cpp

Classes

Public Types

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Static Private Attributes

Friends

Additional Inherited Members

Detailed Description

Class Documentation

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation