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This commit is contained in:
Jeff Hill
1999-04-30 15:39:41 +00:00
parent 93d8c939ab
commit 7e89a4a2a9
3 changed files with 37 additions and 27 deletions
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5
src/cas/generic/casInternal.h
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@@ -29,6 +29,9 @@
*
* History
* $Log$
* Revision 1.19 1998/12/19 00:04:51 jhill
* renamed createPV() to pvAttach()
*
* Revision 1.18 1998/11/18 18:52:49 jhill
* fixed casChannelI undefined symbols on WIN32
*
@@ -549,7 +552,7 @@ public:
//
// CA only does 1D arrays for now (and the new server
// temporarily does only scalers)
// temporarily does only scalars)
//
inline aitIndex nativeCount();

7
src/cas/generic/casPV.cc
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@@ -29,6 +29,9 @@
*
* History
* $Log$
* Revision 1.9 1998/06/18 00:09:09 jhill
* installed bwd compat casPV constructor
*
* Revision 1.8 1998/06/16 02:30:44 jhill
* allow PV to be created before the server
*
@@ -152,7 +155,7 @@ epicsShareFunc aitEnum casPV::bestExternalType() const
//
// casPV::maxDimension()
// (base returns zero - scaler)
// (base returns zero - scalar)
//
epicsShareFunc unsigned casPV::maxDimension() const
{
@@ -161,7 +164,7 @@ epicsShareFunc unsigned casPV::maxDimension() const
//
// casPV::maxBound()
// (base returns scaler bound independent of the dimension arg)
// (base returns scalar bound independent of the dimension arg)
//
epicsShareFunc aitIndex casPV::maxBound(unsigned /* dimension */) const
{

52
src/cas/generic/casdef.h
View File

@@ -30,6 +30,9 @@
* Modification Log:
* -----------------
* $Log$
* Revision 1.22 1998/12/19 00:04:52 jhill
* renamed createPV() to pvAttach()
*
* Revision 1.21 1998/12/07 23:21:53 jhill
* doc
*
@@ -501,16 +504,16 @@ public:
epicsShareFunc virtual void show (unsigned level) const;
//
// Called by the server libary each time that it wishes to
// called by the server libary each time that it wishes to
// subscribe for PV change notification from the server
// tool via postEvent() below.
// tool via postEvent() below
//
epicsShareFunc virtual caStatus interestRegister ();
//
// called by the server library each time that it wishes to
// remove its subscription for PV value change events
// from the server tool via caServerPostEvents()
// from the server tool via postEvent() below
//
epicsShareFunc virtual void interestDelete ();
@@ -596,36 +599,37 @@ public:
// Returns the maximum bounding box for all present and
// future data stored within the PV.
//
// The routine "dimension()" returns the maximum
// number of dimensions in the hypercube (0=scaler,
// The virtual function "dimension()" returns the maximum
// number of dimensions in the hypercube (0=scalar,
// 1=array, 2=plane, 3=cube ...}.
//
// The routine "maxBound(dimension)" returns the
// maximum length of a particular dimension of the
// hypercube as follows:
//
// dim equal to 0 1 3 ...
// -------------------------------------------
// hypercube
// type
// ---------
// The virtual function "maxBound(dimension)" returns the
// maximum number of elements in a particular dimension
// of the hypercube as follows:
//
// scalar - maxDimension() returns 0
//
// array - maxDimension() returns 1
// maxBounds(0) supplies number of elements in array
//
// array array
// length
//
// plane x y
// plane - maxDimension() returns 2
// maxBounds(0) supplies number of elements in X dimension
// maxBounds(1) supplies number of elements in Y dimension
//
// cube x y z
// cube - maxDimension() returns 3
// maxBounds(0) supplies number of elements in X dimension
// maxBounds(1) supplies number of elements in Y dimension
// maxBounds(2) supplies number of elements in Z dimension
//
// .
// .
// .
//
// The default (base) "dimension()" returns zero (scaler).
// The default (base) "maxBound()" returns scaler bounds
// for all dimensions.
// The default (base) "dimension()" returns zero (scalar).
// The default (base) "maxBound()" returns one (scalar bounds)
// for all dimensions.
//
// Clients will see that the PV's data is scaler if
// Clients will see that the PV's data is scalar if
// these routines are not supplied in the derived class.
//
// If the "dimension" argument to maxBounds() is set to
@@ -634,7 +638,7 @@ public:
// set to one then the bound on the second dimension
// are being fetched...
//
epicsShareFunc virtual unsigned maxDimension() const; // return zero if scaler
epicsShareFunc virtual unsigned maxDimension() const; // return zero if scalar
epicsShareFunc virtual aitIndex maxBound (unsigned dimension) const;
//