EpicsInteger Class Reference

#include <epicsinteger.h>

Inheritance diagram for EpicsInteger:

Public Slots
void	changeValue (int val)
void	caput (int val)

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

Public Member Functions
	EpicsInteger (QString pvName, QObject *parent=0, int debug=0)
virtual	~EpicsInteger ()
void	changeConnection (QString pv)
int	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
int	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 epicsinteger.h.

Constructor & Destructor Documentation

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

Definition at line 6 of file epicsinteger.cpp.

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

EpicsInteger::~EpicsInteger ( )

virtual

Definition at line 12 of file epicsinteger.cpp.

{
}

Member Function Documentation

void EpicsInteger::caput ( int  val )

slot

Definition at line 74 of file epicsinteger.cpp.

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

Referenced by EpicsPulseAnalyser::setEnabled(), EpicsPowerSupply::setEnabled(), EpicsA2DConverter::setOffset(), and EpicsPulseAnalyser::setSelected().

{
  ca_put(DBR_INT, channelID(), &val);
  ca_pend_io(0.5);
}

void EpicsInteger::changeConnection

(

QString

pv

)

void EpicsInteger::changeValue ( int  val )

slot

Definition at line 59 of file epicsinteger.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 EpicsInteger::event_handler ( struct event_handler_args  arg )

staticprivate

Definition at line 16 of file epicsinteger.cpp.

References changeValue(), and EpicsObject::debug().

Referenced by get_event_handler().

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

  int 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);
  }

  EpicsInteger* i = ((EpicsInteger*) args.usr);

  if (i && i->debug()) {
    printf("%s Epics Integer Event Handler called %ld = %d\n", ca_name(args.chid), args.type, res);
  }

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

caEventCallBackFunc * EpicsInteger::get_event_handler ( )

privatevirtual

Implements EpicsObject.

Definition at line 54 of file epicsinteger.cpp.

References event_handler().

{
  return &EpicsInteger::event_handler;
}

int EpicsInteger::value

(

)

Definition at line 80 of file epicsinteger.cpp.

References EpicsObject::m_Mutex, and m_Value.

Referenced by EpicsIntegerCheckBox::EpicsIntegerCheckBox(), and EpicsIntegerInput::EpicsIntegerInput().

{
  QMutexLocker lock(&m_Mutex);

  return m_Value;
}

void EpicsInteger::valueChanged ( int  val )

signal

Member Data Documentation

int EpicsInteger::m_Value

private

Definition at line 31 of file epicsinteger.h.

Referenced by changeValue(), and value().

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

• epicsinteger.h
• epicsinteger.cpp