controlSupport.h

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#ifndef CONTROLSUPPORT_H
#define CONTROLSUPPORT_H

#include <pv/pvDatabase.h>
#include <pv/pvSupport.h>
#include <pv/pvStructureCopy.h>

#include <shareLib.h>

namespace epics { namespace pvDatabase {

class ControlSupport;
typedef std::tr1::shared_ptr<ControlSupport> ControlSupportPtr;

class epicsShareClass ControlSupport :
    PVSupport
{
public:
    POINTER_DEFINITIONS(ControlSupport);
    virtual ~ControlSupport();
    virtual bool init(
        epics::pvData::PVFieldPtr const & pvValue,
        epics::pvData::PVFieldPtr const & pvSupport);
    virtual bool process();
    virtual void reset();
    static ControlSupportPtr create(PVRecordPtr const & pvRecord);
    static epics::pvData::StructureConstPtr controlField(epics::pvData::ScalarType scalarType);
private:
    ControlSupport(PVRecordPtr const & pvRecord);
    PVRecordPtr pvRecord;
    epics::pvData::PVScalarPtr pvValue;
    epics::pvData::PVStructurePtr pvControl;
    epics::pvData::PVDoublePtr pvLimitLow;
    epics::pvData::PVDoublePtr pvLimitHigh;
    epics::pvData::PVDoublePtr pvMinStep;
    epics::pvData::PVScalarPtr pvOutputValue;
    double currentValue;
    bool isMinStep;
};

}}

#endif  /* CONTROLSUPPORT_H */