Stores and reads time stamps between synchronized devices. More...

Inheritance diagram for XNIDAQmxInterface::SoftwareTrigger:

Public Types
using	STRGTalker = Transactional::Talker< shared_ptr< SoftwareTrigger >>

typedef std::deque< shared_ptr < XNIDAQmxInterface::SoftwareTrigger > >	SoftwareTriggerList

typedef SoftwareTriggerList::iterator	SoftwareTriggerList_it

Public Member Functions
const char *	label () const

void	setArmTerm (const char *arm_term)

const char *	armTerm () const

bool	isPersistentCoherentMode () const

void	setPersistentCoherentMode (bool x)

void	start (float64 freq)

float64	freq () const
	[Hz].

unsigned int	bits () const

void	stop ()

void	forceStamp (uint64_t now, float64 freq)

void	stamp (uint64_t cnt)

template<typename T >
void	changeValue (T oldval, T val, uint64_t time)

void	connect (uint32_t rising_edge_mask, uint32_t falling_edge_mask) throw (XInterface::XInterfaceError &)

void	disconnect ()

void	setBlankTerm (float64 blankterm)

STRGTalker &	onStart ()
	for restarting connected task.

void	clear ()
	clears all time stamps.

void	clear (uint64_t now, float64 freq)
	clears past time stamps.

uint64_t	tryPopFront (uint64_t threshold, float64 freq)

Static Public Member Functions
static shared_ptr < SoftwareTrigger >	create (const char *label, unsigned int bits)

static void	unregister (const shared_ptr< SoftwareTrigger > &)

static STRGTalker &	onChange ()
	for changing list.

static const atomic_shared_ptr < SoftwareTriggerList > &	virtualTrigList ()

Protected Member Functions
	SoftwareTrigger (const char *label, unsigned int bits)

Private Types
enum	{ QUEUE_SIZE = 8192 }

typedef atomic_queue_reserved < uint64_t, QUEUE_SIZE >	FastQueue

typedef std::deque< uint64_t >	SlowQueue

Private Attributes
const XString	m_label

XString	m_armTerm

unsigned int	m_bits

uint32_t	m_risingEdgeMask

uint32_t	m_fallingEdgeMask

uint64_t	m_blankTerm

uint64_t	m_endOfBlank
	next stamp must not be less than this.

float64	m_freq
	[Hz].

FastQueue	m_fastQueue
	recorded stamps.

SlowQueue	m_slowQueue
	recorded stamps, when m_fastQueue is full.

atomic< unsigned int >	m_slowQueueSize

XMutex	m_mutex
	for m_slowQueue.

STRGTalker	m_onStart

bool	m_isPersistentCoherent

Static Private Attributes
static STRGTalker	s_onChange

static atomic_shared_ptr < SoftwareTriggerList >	s_virtualTrigList

Detailed Description

Stores and reads time stamps between synchronized devices.

Definition at line 100 of file nidaqmxdriver.h.

Member Function Documentation

template<typename T >

void XNIDAQmxInterface::SoftwareTrigger::changeValue	(	T	oldval,
		T	val,
		uint64_t	time
	)

inline

Parameters

time	unit in 1/freq().

Definition at line 119 of file nidaqmxdriver.h.

void XNIDAQmxInterface::SoftwareTrigger::setBlankTerm ( float64 blankterm )

inline

Parameters

blankterm in seconds, not to stamp so frequently.

Definition at line 131 of file nidaqmxdriver.h.

References freq().

uint64_t XNIDAQmxInterface::SoftwareTrigger::tryPopFront	(	uint64_t	threshold,
		float64	freq
	)

Parameters

freq	frequency of reader.
threshold	upper bound to be pop, unit in 1/freq (2nd param.).

Definition at line 187 of file nidaqmxdriver.cpp.

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