EpicsObject Class Reference

#include <epicsobject.h>

Inheritance diagram for EpicsObject:

Signals
void	valueChanged ()

Public Member Functions
	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)

Static Public Attributes
static QMutex	m_Mutex

Protected Attributes
chid	m_ChannelID
evid	m_EventID
bool	m_HasEventHandler
int	m_Debug

Private Member Functions
virtual caEventCallBackFunc *	get_event_handler ()=0
	EpicsObject (const EpicsObject &copy)
EpicsObject &	operator= (const EpicsObject &copy)

Private Attributes
QString	m_PVName

Detailed Description

Definition at line 9 of file epicsobject.h.

Constructor & Destructor Documentation

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

Definition at line 7 of file epicsobject.cpp.

References changeConnection().

  : QObject(parent),
    m_PVName(pvName),
    m_ChannelID(0),
    m_EventID(0),
    m_HasEventHandler(0),
    m_Debug(debug)
{
//   printf("Epics Object %p Constructed - pvName = %s\n", this, qPrintable(pvName));

  changeConnection(pvName);
}

EpicsObject::~EpicsObject ( )

virtual

Definition at line 20 of file epicsobject.cpp.

References m_ChannelID.

{
//   printf ("EpicsObject::~EpicsObject(\"%s\")\n", qPrintable(m_PVName));

  if (m_ChannelID) {
    SEVCHK(ca_clear_channel(m_ChannelID), 0);
    m_ChannelID = 0;
  }
}

EpicsObject::EpicsObject ( const EpicsObject &  copy )

private

Member Function Documentation

void EpicsObject::ca_pend_io

(

double

t

)

Definition at line 121 of file epicsobject.cpp.

Referenced by EpicsInteger::caput(), EpicsBoolean::caput(), EpicsString::caput(), EpicsEnumeration::caput(), EpicsArray::caput(), and EpicsDouble::caput().

{
  ::ca_pend_io(t);
}

void EpicsObject::changeConnection

(

QString

pv

)

Definition at line 84 of file epicsobject.cpp.

References connection_handler(), debug(), m_ChannelID, and m_PVName.

Referenced by EpicsObject().

{
//   printf("EpicsObject::changeConnection(this:%p,pvname:\"%s\",chann:%p)\n",
//       this, qPrintable(m_PVName), m_ChannelID);

  if (m_ChannelID) {
    SEVCHK(ca_clear_channel(m_ChannelID), 0);
    m_ChannelID = 0;
  }

  SEVCHK(ca_search(qPrintable(pv), &m_ChannelID), NULL);
  ca_set_puser(m_ChannelID, this); 
  SEVCHK(ca_change_connection_event(m_ChannelID, &connection_handler), NULL);

  m_PVName = pv;

  if (debug()) {
    printf("EpicsObject::changeConnection(this:%p,pvname:\"%s\",chann:%p)\n",
           this, qPrintable(m_PVName), m_ChannelID);
  }
}

chid EpicsObject::channelID

(

)

Definition at line 63 of file epicsobject.cpp.

References m_ChannelID.

Referenced by EpicsInteger::caput(), EpicsString::caput(), EpicsBoolean::caput(), EpicsEnumeration::caput(), EpicsArray::caput(), EpicsDouble::caput(), and EpicsDouble::changeValue().

{
  return m_ChannelID;
}

void EpicsObject::connected ( )

virtual

Reimplemented in EpicsDouble, and EpicsEnumeration.

Definition at line 45 of file epicsobject.cpp.

References get_event_handler(), m_ChannelID, m_EventID, and m_HasEventHandler.

Referenced by connection_handler().

{
  if (!m_HasEventHandler) {
    chtype typ = ca_field_type(m_ChannelID);

    SEVCHK(ca_create_subscription(typ, 0, m_ChannelID, DBE_VALUE|DBE_ALARM, 
                                  get_event_handler(), this, &m_EventID), NULL);

    m_HasEventHandler = 1;

//     printf("Channel %s connected\n", qPrintable(pvName()));
  }
}

int EpicsObject::count

(

)

Definition at line 40 of file epicsobject.cpp.

References m_ChannelID.

Referenced by MCAPlotCurve::arrayValueChanged().

{
  return ca_element_count(m_ChannelID);
}

int EpicsObject::debug

(

)

Definition at line 106 of file epicsobject.cpp.

References m_Debug.

Referenced by changeConnection(), EpicsDouble::changeValue(), EpicsDouble::connected(), EpicsDouble::EpicsDouble(), EpicsMCA::EpicsMCA(), EpicsInteger::event_handler(), EpicsString::event_handler(), EpicsDouble::event_handler(), and EpicsEnumeration::event_handler().

{
  return m_Debug;
}

void EpicsObject::disconnected ( )

virtual

Definition at line 59 of file epicsobject.cpp.

Referenced by connection_handler().

{
}

virtual caEventCallBackFunc* EpicsObject::get_event_handler ( )

privatepure virtual

Implemented in EpicsEnumeration, EpicsDouble, EpicsArray, EpicsBoolean, EpicsString, and EpicsInteger.

Referenced by connected().

EpicsObject& EpicsObject::operator= ( const EpicsObject &  copy )

private

QString EpicsObject::pvName

(

)

Definition at line 30 of file epicsobject.cpp.

References m_PVName.

Referenced by A2DConverterControlPanel::append(), PulseAnalyserControlPanel::append(), AmplifierControlPanel::append(), PowerSupplyControlPanel::append(), MCAControlPanel::append(), EpicsDouble::connected(), EpicsIntegerInput::EpicsIntegerInput(), BM12Controller::saveEnergyWindows(), and MCAGroup::write_data().

{
  return m_PVName;
}

void EpicsObject::setDebug

(

int

dbg

)

Definition at line 111 of file epicsobject.cpp.

References m_Debug.

{
  m_Debug = dbg;
}

void EpicsObject::settle

(

double

t

)

Definition at line 116 of file epicsobject.cpp.

Referenced by BM12Controller::selectSCA().

{
  ::ca_pend_event(t);
}

QString EpicsObject::toolTip

(

)

Definition at line 35 of file epicsobject.cpp.

References m_PVName.

Referenced by EpicsDoubleDisplay::EpicsDoubleDisplay(), EpicsDoubleLineEdit::EpicsDoubleLineEdit(), EpicsEnumerationComboBox::EpicsEnumerationComboBox(), EpicsIntegerCheckBox::EpicsIntegerCheckBox(), EpicsIntegerInput::EpicsIntegerInput(), EpicsStringDisplay::EpicsStringDisplay(), and EpicsStringLineEdit::EpicsStringLineEdit().

{
  return m_PVName;
}

void EpicsObject::valueChanged ( )

signal

Referenced by EpicsBoolean::changeValue(), EpicsInteger::changeValue(), EpicsString::changeValue(), EpicsEnumeration::changeValue(), and EpicsDouble::changeValue().

Member Data Documentation

chid EpicsObject::m_ChannelID

protected

Definition at line 48 of file epicsobject.h.

Referenced by changeConnection(), channelID(), EpicsEnumeration::connected(), EpicsDouble::connected(), connected(), count(), and ~EpicsObject().

int EpicsObject::m_Debug

protected

Definition at line 51 of file epicsobject.h.

Referenced by EpicsArray::changeValue(), EpicsEnumeration::changeValue(), debug(), and setDebug().

evid EpicsObject::m_EventID

protected

Definition at line 49 of file epicsobject.h.

Referenced by EpicsEnumeration::connected(), EpicsDouble::connected(), and connected().

bool EpicsObject::m_HasEventHandler

protected

Definition at line 50 of file epicsobject.h.

Referenced by EpicsEnumeration::connected(), EpicsDouble::connected(), and connected().

QMutex EpicsObject::m_Mutex

static

Definition at line 42 of file epicsobject.h.

Referenced by EpicsBoolean::changeValue(), EpicsInteger::changeValue(), EpicsString::changeValue(), EpicsArray::changeValue(), EpicsEnumeration::changeValue(), EpicsDouble::changeValue(), EpicsInteger::value(), EpicsBoolean::value(), EpicsString::value(), EpicsEnumeration::value(), EpicsArray::value(), and EpicsDouble::value().

QString EpicsObject::m_PVName

private

Definition at line 45 of file epicsobject.h.

Referenced by changeConnection(), pvName(), and toolTip().

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

• epicsobject.h
• epicsobject.cpp