75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/* exampleCounter.h */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvData is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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/**
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* @author mrk
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* @date 2013.04.02
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*/
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#ifndef EXAMPLECOUNTER_H
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#define EXAMPLECOUNTER_H
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#include <pv/pvDatabase.h>
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#include <pv/standardPVField.h>
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namespace epics { namespace pvDatabase {
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class ExampleCounter;
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typedef std::tr1::shared_ptr<ExampleCounter> ExampleCounterPtr;
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class ExampleCounter :
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public PVRecord
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{
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public:
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POINTER_DEFINITIONS(ExampleCounter);
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static ExampleCounterPtr create(
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epics::pvData::String const & recordName);
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virtual ~ExampleCounter(){}
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virtual bool init();
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virtual void process();
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private:
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ExampleCounter(epics::pvData::String const & recordName,
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epics::pvData::PVStructurePtr const & pvStructure);
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epics::pvData::PVLongPtr pvValue;
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};
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ExampleCounterPtr ExampleCounter::create(
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epics::pvData::String const & recordName)
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{
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epics::pvData::PVStructurePtr pvStructure =
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epics::pvData::getStandardPVField()->scalar(epics::pvData::pvDouble,"");
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ExampleCounterPtr pvRecord(
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new ExampleCounter(recordName,pvStructure));
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if(!pvRecord->init()) pvRecord.reset();
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return pvRecord;
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}
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ExampleCounter::ExampleCounter(
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epics::pvData::String const & recordName,
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epics::pvData::PVStructurePtr const & pvStructure)
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: PVRecord(recordName,pvStructure)
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{
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}
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bool ExampleCounter::init()
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{
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initPVRecord();
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epics::pvData::PVFieldPtr pvField;
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pvValue = getPVStructure()->getLongField("value");
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if(pvValue.get()==NULL) return false;
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return true;
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}
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void ExampleCounter::process()
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{
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pvValue->put(pvValue->get() + 1.0);
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}
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}}
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#endif /* EXAMPLECOUNTER_H */
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