EpicsBoolean Class Reference

#include <epicsboolean.h>

Inheritance diagram for EpicsBoolean:

Public Slots
void	changeValue (bool val)
void	set ()
void	clear ()
void	caput (bool val)

Signals
void	valueChanged (bool val)
Signals inherited from EpicsObject
void	valueChanged ()

Public Member Functions
	EpicsBoolean (QString pvName, QObject *parent=0, int debug=0)
virtual	~EpicsBoolean ()
void	changeConnection (QString pv)
bool	value ()
Public Member Functions inherited from EpicsObject
	EpicsObject (QString pvName, QObject *parent=0, int debug=0)
virtual	~EpicsObject ()
void	changeConnection (QString pv)
int	count ()
QString	pvName ()
QString	toolTip ()
virtual void	connected ()
virtual void	disconnected ()
chid	channelID ()
int	debug ()
void	setDebug (int dbg)
void	settle (double t)
void	ca_pend_io (double t)

Private Member Functions
virtual caEventCallBackFunc *	get_event_handler ()

Static Private Member Functions
static void	event_handler (struct event_handler_args arg)

Private Attributes
bool	m_Value

Additional Inherited Members
Static Public Attributes inherited from EpicsObject
static QMutex	m_Mutex
Protected Attributes inherited from EpicsObject
chid	m_ChannelID
evid	m_EventID
bool	m_HasEventHandler
int	m_Debug

Detailed Description

Definition at line 7 of file epicsboolean.h.

Constructor & Destructor Documentation

EpicsBoolean::EpicsBoolean	(	QString	pvName,
		QObject *	parent = 0,
		int	debug = 0
	)

Definition at line 5 of file epicsboolean.cpp.

  : EpicsObject(pvName, parent, debug),
    m_Value(0)
{
}

EpicsBoolean::~EpicsBoolean ( )

virtual

Definition at line 11 of file epicsboolean.cpp.

{
}

Member Function Documentation

void EpicsBoolean::caput ( bool  val )

slot

Definition at line 79 of file epicsboolean.cpp.

References EpicsObject::ca_pend_io(), and EpicsObject::channelID().

Referenced by clear(), set(), and EpicsA2DConverter::setCoincidence().

{
  int nval = val;

  ca_put(DBR_INT, channelID(), &nval);
  ca_pend_io(0.5);
}

void EpicsBoolean::changeConnection

(

QString

pv

)

void EpicsBoolean::changeValue ( bool  val )

slot

Definition at line 64 of file epicsboolean.cpp.

References EpicsObject::m_Mutex, m_Value, and EpicsObject::valueChanged().

Referenced by event_handler().

{
//   printf("ca_put(%d,%p,%g)\n", DBR_INT, channelID(), newval);

//  ca_put(DBR_INT, channelID(), &newval);

  QMutexLocker lock(&m_Mutex);

  if (m_Value != newval) {

    m_Value = newval;
    emit valueChanged(m_Value);
  }
}

void EpicsBoolean::clear ( )

slot

Definition at line 20 of file epicsboolean.cpp.

References caput().

{
  caput(false);
}

void EpicsBoolean::event_handler ( struct event_handler_args  arg )

staticprivate

Definition at line 25 of file epicsboolean.cpp.

References changeValue().

Referenced by get_event_handler().

{
  union db_access_val *pb = (union db_access_val *) args.dbr;

  bool res=0;

  switch (args.type) {
  case DBR_SHORT:
    res = pb->shrtval;
    break;
  case DBR_LONG:
    res = pb->longval;
    break;
  case DBR_FLOAT:
    res = pb->fltval;
    break;
  case DBR_ENUM:
    res = pb->enmval;
    break;
  case DBR_CHAR:
    res = pb->charval;
    break;
  case DBR_DOUBLE:
    res = pb->doubleval;
    break;
  default:
    printf("data type %ld not supported\n", args.type);
  }

//   printf("%s Epics Boolean Event Handler called %ld = %d\n", ca_name(args.chid), args.type, res);

  ((EpicsBoolean*) args.usr) -> changeValue(res);
}

caEventCallBackFunc * EpicsBoolean::get_event_handler ( )

privatevirtual

Implements EpicsObject.

Definition at line 59 of file epicsboolean.cpp.

References event_handler().

{
  return &EpicsBoolean::event_handler;
}

void EpicsBoolean::set ( )

slot

Definition at line 15 of file epicsboolean.cpp.

References caput().

Referenced by EpicsMCA::erase(), EpicsMCA::eraseAndStart(), EpicsMCA::start(), and EpicsMCA::stop().

{
  caput(true);
}

bool EpicsBoolean::value

(

)

Definition at line 87 of file epicsboolean.cpp.

References EpicsObject::m_Mutex, and m_Value.

{
  QMutexLocker lock(&m_Mutex);

  return m_Value;
}

void EpicsBoolean::valueChanged ( bool  val )

signal

Member Data Documentation

bool EpicsBoolean::m_Value

private

Definition at line 33 of file epicsboolean.h.

Referenced by changeValue(), and value().

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

• epicsboolean.h
• epicsboolean.cpp