71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#ifndef DB_MAPPER_H
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#define DB_MAPPER_H
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/*
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* Author: Jim Kowalkowski
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* Date: 2/96
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*
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* $Id$
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*
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* $Log$
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* Revision 1.3 1997/04/23 17:12:57 jhill
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* fixed export of symbols from WIN32 DLL
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*
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* Revision 1.2 1997/04/10 19:59:25 jhill
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* api changes
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*
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* Revision 1.1 1996/06/25 19:11:36 jbk
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* new in EPICS base
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*
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*
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* *Revision 1.1 1996/05/31 13:15:24 jbk
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* *add new stuff
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*
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*/
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#include "shareLib.h"
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#include "aitTypes.h"
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#include "gdd.h"
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extern "C" {
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#include "db_access.h"
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#include "cadef.h"
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}
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class gddApplicationTypeTable;
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// Function proto to convert from a db_struct to a gdd. The gdd will
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// reference the data in the db_struct if the db_struct points to an
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// array. The second argument is the number of elements if db_struct
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// represents an array, or zero if the db_struct is a scaler.
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typedef gdd* (*to_gdd)(void* db_struct, aitIndex element_count);
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// Function proto to convert from a gdd to a dbr structure, returns the
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// number of elements that the value field of db_struct points to if the
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// gdd points to an array or -1 if the number of elements in the value
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// field is not identical to element_count available in db_struct.
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typedef int (*to_dbr)(void* db_struct, aitIndex element_count, gdd*);
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struct gddDbrMapFuncTable {
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to_gdd conv_gdd;
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to_dbr conv_dbr;
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};
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typedef struct gddDbrMapFuncTable gddDbrMapFuncTable;
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struct gddDbrToAitTable {
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aitEnum type;
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aitUint16 app;
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char* app_name;
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};
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typedef struct gddDbrToAitTable gddDbrToAitTable;
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epicsShareExtern gddDbrToAitTable gddDbrToAit[];
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epicsShareExtern const chtype gddAitToDbr[];
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epicsShareExtern const gddDbrMapFuncTable gddMapDbr[];
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epicsShareFunc void gddMakeMapDBR(gddApplicationTypeTable& tt);
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epicsShareFunc void gddMakeMapDBR(gddApplicationTypeTable* tt);
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#endif
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