EpicsArray Class Reference

#include <epicsarray.h>

Inheritance diagram for EpicsArray:

Public Slots
void	changeValue (QVector< double > val)
void	caput (QVector< double > val)

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

Public Member Functions
	EpicsArray (QString pvName, QObject *parent=0, int debug=0)
virtual	~EpicsArray ()
void	changeConnection (QString pv)
QVector< double >	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
QVector< double >	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 10 of file epicsarray.h.

Constructor & Destructor Documentation

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

Definition at line 6 of file epicsarray.cpp.

  : EpicsObject(pvName, parent, debug)
{
}

EpicsArray::~EpicsArray ( )

virtual

Definition at line 11 of file epicsarray.cpp.

{
}

Member Function Documentation

void EpicsArray::caput ( QVector< double >  val )

slot

Definition at line 84 of file epicsarray.cpp.

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

{
  ca_array_put(DBR_DOUBLE, val.count(), channelID(), val.data()); 
  ca_pend_io(0.5);
}

void EpicsArray::changeConnection

(

QString

pv

)

void EpicsArray::changeValue ( QVector< double >  val )

slot

Definition at line 67 of file epicsarray.cpp.

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

Referenced by event_handler().

{
  if (m_Debug) {
    printf("EpicsArray::changeValue\n");
  }

  QMutexLocker lock(&m_Mutex);

  if (m_Value != newval) {
    m_Value = newval;
    if (m_Debug) {
      printf("EpicsArray::changeValue emit valueChanged()\n");
    }
    emit valueChanged();
  }
}

void EpicsArray::event_handler ( struct event_handler_args  arg )

staticprivate

Definition at line 15 of file epicsarray.cpp.

References changeValue().

Referenced by get_event_handler().

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

  if (ar && ar->debug()) {
    printf("%s EpicsArray Event Handler called %ld(%ld)\n",
           ca_name(args.chid), args.type, args.count);
  }

  QVector<double> res(args.count);

  switch (args.type) {
  case DBR_SHORT:
    for (int i=0; i<args.count; i++) {
      res[i] = (&pb->shrtval)[i];
    }
    break;
//   case DBR_INT:
//     for (int i=0; i<args.count; i++) {
//       res[i] = (&pb->intval)[i];
//     }
//     break;
  case DBR_LONG:
    for (int i=0; i<args.count; i++) {
      res[i] = (&pb->longval)[i];
    }
    break;
  case DBR_FLOAT:
    for (int i=0; i<args.count; i++) {
      res[i] = (&pb->fltval)[i];
    }
    break;
  case DBR_DOUBLE:
    for (int i=0; i<args.count; i++) {
      res[i] = (&pb->doubleval)[i];
    }
    break;
  default:
    printf("Array data type %ld not supported\n", args.type);

    return;
  }

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

caEventCallBackFunc * EpicsArray::get_event_handler ( )

privatevirtual

Implements EpicsObject.

Definition at line 62 of file epicsarray.cpp.

References event_handler().

{
  return &EpicsArray::event_handler;
}

QVector< double > EpicsArray::value

(

)

Definition at line 90 of file epicsarray.cpp.

References EpicsObject::m_Mutex, and m_Value.

Referenced by MCAPlotCurve::arrayValueChanged(), BM12Controller::mcaValueChanged(), and MCAGroup::write_data().

{
  QMutexLocker lock(&m_Mutex);

  return m_Value;
}

void EpicsArray::valueChanged ( )

signal

Referenced by changeValue().

Member Data Documentation

QVector<double> EpicsArray::m_Value

private

Definition at line 34 of file epicsarray.h.

Referenced by changeValue(), and value().

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

• epicsarray.h
• epicsarray.cpp