コード例 #1
0
ファイル: pvAccessImpl.cpp プロジェクト: jerryjiahaha/caqtdm
void MonitorRequesterImpl::ParseScalarArray(PVScalarArray::shared_pointer const & pvArray,  knobData* kPtr)
{
    size_t length = pvArray->getLength();
    qDebug() << "lenght of array " << length;
    PVDoubleArrayPtr ArrayData = static_pointer_cast<epics::pvData::PVDoubleArray> (pvArray);
    DoubleArrayData valuesArrayData;
    int valuesLength = ArrayData->get(0, ArrayData->getLength(), valuesArrayData);

    if((double) (valuesLength * sizeof(double)) != kPtr->edata.dataSize) {
        free(kPtr->edata.dataB);
        kPtr->edata.dataB = (void*) malloc(valuesLength * sizeof(double));
        kPtr->edata.dataSize = valuesLength * sizeof(double);
    }
    kPtr->edata.valueCount = valuesLength;
    kPtr->edata.precision = 3;  // for the time beeing, set to 3
    kPtr->edata.fieldtype = caDOUBLE;
    memcpy(kPtr->edata.dataB, &valuesArrayData.data[0],  valuesLength * sizeof(double));

}
コード例 #2
0
static void test()
{
    NTScalarMultiChannelBuilderPtr builder = NTScalarMultiChannel::createBuilder();
    testOk(builder.get() != 0, "Got builder");

    NTScalarMultiChannelPtr multiChannel = builder->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            addSeverity() ->
            add("extra1",fieldCreate->createScalar(pvString)) ->
            add("extra2",fieldCreate->createScalarArray(pvString)) ->
            create();
    testOk1(multiChannel.get() != 0);

    PVStructurePtr pvStructure = multiChannel->getPVStructure();
    testOk1(pvStructure.get()!=NULL);
    testOk1(NTScalarMultiChannel::is_a(pvStructure->getStructure()));
    size_t nchan = 3;
    shared_vector<string> names(nchan);
    names[0] = "channel 0";
    names[1] = "channel 1";
    names[2] = "channel 2";
    shared_vector<const string> channelNames(freeze(names));
    PVStringArrayPtr pvChannelName = multiChannel->getChannelName();
    pvChannelName->replace(channelNames);
    if(debug) {cout << *pvStructure << endl;}
    multiChannel = builder->
            value(pvDouble) ->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            addSeverity() ->
            addIsConnected() ->
            create();
    testOk1(multiChannel.get() != 0);
    pvStructure = multiChannel->getPVStructure();
    if(debug) {cout << *pvStructure << endl;}
    pvChannelName = multiChannel->getChannelName();
    pvChannelName->replace(channelNames);
    PVDoubleArrayPtr pvValue = multiChannel->getValue<PVDoubleArray>();
    PVDoubleArray::svector doubles(nchan);
    doubles.resize(nchan);
    doubles[0] = 3.14159;
    doubles[1] = 2.71828;
    doubles[2] = 137.036;
    pvValue->replace(freeze(doubles));
    shared_vector<int32> severities(nchan);
    severities[0] = 0;
    severities[1] = 1;
    severities[2] = 2;
    PVIntArrayPtr pvSeverity = multiChannel->getSeverity();
    pvSeverity->replace(freeze(severities));
    if(debug) {cout << *pvStructure << endl;}
    PVBooleanArrayPtr pvIsConnected = multiChannel->getIsConnected();
    shared_vector<const epics::pvData::boolean> isConnected = pvIsConnected->view();
    multiChannel = builder->
            value(pvDouble) ->
            addDescriptor()->
            addAlarm()->
            addTimeStamp()->
            addSeverity() ->
            addStatus() ->
            addMessage() ->
            addSecondsPastEpoch() ->
            addNanoseconds() ->
            addUserTag() ->
            addIsConnected() ->
            create();
    testOk1(multiChannel.get() != 0);
    pvStructure = multiChannel->getPVStructure();
    if(debug) {cout << *pvStructure << endl;}
    testOk1(NTScalarMultiChannel::isCompatible(pvStructure)==true);
    PVStructurePtr pvTimeStamp = multiChannel->getTimeStamp();
    testOk1(pvTimeStamp.get() !=0);
    PVStructurePtr pvAlarm = multiChannel->getAlarm();
    testOk1(pvAlarm.get() !=0);
    pvValue = multiChannel->getValue<PVDoubleArray>();
    testOk1(pvValue.get() !=0);
    pvChannelName = multiChannel->getChannelName();
    testOk1(pvChannelName.get() !=0);
    pvIsConnected = multiChannel->getIsConnected();
    testOk1(pvIsConnected.get() !=0);
    pvSeverity = multiChannel->getSeverity();
    testOk1(pvSeverity.get() !=0);
    PVIntArrayPtr pvStatus = multiChannel->getStatus();
    testOk1(pvStatus.get() !=0);
    PVStringArrayPtr pvMessage = multiChannel->getMessage();
    testOk1(pvMessage.get() !=0);
    PVLongArrayPtr pvSecondsPastEpoch = multiChannel->getSecondsPastEpoch();
    testOk1(pvSecondsPastEpoch.get() !=0);
    PVIntArrayPtr pvNanoseconds = multiChannel->getNanoseconds();
    testOk1(pvNanoseconds.get() !=0);
    PVIntArrayPtr pvUserTag = multiChannel->getUserTag();
    testOk1(pvUserTag.get() !=0);
    PVStringPtr pvDescriptor = multiChannel->getDescriptor();
    testOk1(pvDescriptor.get() !=0);
}