epics/pvaClient
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added support for multi channel double

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This commit is contained in:
mrkraimer
2015-07-31 15:46:22 -04:00
parent 985e1c5900
commit 4b3e6c641b
10 changed files with 1027 additions and 11 deletions
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7
example/src/Makefile
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@@ -33,6 +33,13 @@ examplePvaClientMonitor_LIBS += pvAccess
examplePvaClientMonitor_LIBS += pvData
examplePvaClientMonitor_LIBS += Com
PROD_HOST += examplePvaClientMultiDouble
examplePvaClientMultiDouble_SRCS += examplePvaClientMultiDouble.cpp
examplePvaClientMultiDouble_LIBS += pvaClient
examplePvaClientMultiDouble_LIBS += pvAccess
examplePvaClientMultiDouble_LIBS += pvData
examplePvaClientMultiDouble_LIBS += Com
PROD_HOST += helloWorldRPC
helloWorldRPC_SRCS += helloWorldRPC.cpp
helloWorldRPC_LIBS += pvaClient

29
example/src/examplePvaClientMonitor.cpp
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@@ -22,25 +22,29 @@ using namespace epics::pvAccess;
using namespace epics::pvaClient;
static void exampleMonitor(PvaClientPtr const &pva)
static void exampleMonitor(PvaClientPtr const &pva,string provider)
{
PvaClientMonitorPtr monitor = pva->channel("exampleDouble")->monitor("");
PvaClientMonitorDataPtr pvaData = monitor->getData();
PvaClientPutPtr put = pva->channel("exampleDouble")->put("");
PvaClientMonitorPtr monitor = pva->channel("double00",provider,2.0)->monitor("");
PvaClientMonitorDataPtr monitorData = monitor->getData();
PvaClientPutPtr put = pva->channel("double00",provider,2.0)->put("");
PvaClientPutDataPtr putData = put->getData();
for(size_t ntimes=0; ntimes<5; ++ntimes)
{
double value = ntimes;
cout << "put " << value << endl;
putData->putDouble(value); put->put();
if(!monitor->waitEvent()) {
if(!monitor->waitEvent(.1)) {
cout << "waitEvent returned false. Why???";
continue;
} else while(true) {
cout << "monitor " << monitorData->getDouble() << endl;
cout << "changed\n";
monitorData->showChanged(cout);
cout << "overrun\n";
monitorData->showOverrun(cout);
monitor->releaseEvent();
if(!monitor->poll()) break;
}
cout << "changed\n";
pvaData->showChanged(cout);
cout << "overrun\n";
pvaData->showOverrun(cout);
monitor->releaseEvent();
}
}
@@ -48,7 +52,10 @@ static void exampleMonitor(PvaClientPtr const &pva)
int main(int argc,char *argv[])
{
PvaClientPtr pva = PvaClient::create();
exampleMonitor(pva);
cout << "exampleMonitor pva\n";
exampleMonitor(pva,"pva");
cout << "exampleMonitor ca\n";
exampleMonitor(pva,"ca");
cout << "done\n";
return 0;
}

79
example/src/examplePvaClientMultiDouble.cpp Normal file
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@@ -0,0 +1,79 @@
/*examplePvaClientMultiDouble.cpp */
/**
* Copyright - See the COPYRIGHT that is included with this distribution.
* EPICS pvData is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
*/
/**
* @author mrk
*/
/* Author: Marty Kraimer */
#include <iostream>
#include <pv/pvaClientMultiChannel.h>
using namespace std;
using namespace epics::pvData;
using namespace epics::pvAccess;
using namespace epics::pvaClient;
static void example(
PvaClientPtr const &pva,
string provider,
shared_vector<const string> const &channelNames)
{
size_t num = channelNames.size();
cout << "num " << num << " names " << channelNames << endl;
PvaClientMultiChannelPtr multiChannel(
PvaClientMultiChannel::create(pva,channelNames,provider));
PvaClientMultiGetDoublePtr multiGet(multiChannel->createGet());
PvaClientMultiPutDoublePtr multiPut(multiChannel->createPut());
PvaClientMultiMonitorDoublePtr multiMonitor(multiChannel->createMonitor());
shared_vector<double> data(num,0);
for(double value = 0.0; value< 1.0; value+= .2) {
try {
for(size_t i=0; i<num; ++i) data[i] = value + i;
cout << "put " << data << endl;
multiPut->put(data);
data = multiGet->get();
cout << "get " << data << endl;
bool result = multiMonitor->waitEvent(.1);
while(result) {
cout << "monitor data " << multiMonitor->get() << endl;
result = multiMonitor->poll();
}
} catch (std::runtime_error e) {
cout << "exception " << e.what() << endl;
}
}
}
int main(int argc,char *argv[])
{
PvaClientPtr pva = PvaClient::create();
size_t num = 5;
shared_vector<string> channelNames(num);
channelNames[0] = "double01";
channelNames[1] = "double02";
channelNames[2] = "double03";
channelNames[3] = "double04";
channelNames[4] = "double05";
cout << "double pva\n";
shared_vector<const string> names(freeze(channelNames));
example(pva,"pva",names);
cout << "double ca\n";
example(pva,"ca",names);
channelNames = shared_vector<string>(num);
channelNames[0] = "exampleDouble01";
channelNames[1] = "exampleDouble02";
channelNames[2] = "exampleDouble03";
channelNames[3] = "exampleDouble04";
channelNames[4] = "exampleDouble05";
names = freeze(channelNames);
cout << "exampleDouble pva\n";
example(pva,"pva",names);
return 0;
}

9
example/src/examplePvaClientPut.cpp
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@@ -26,11 +26,20 @@ static void examplePut(PvaClientPtr const &pva)
PvaClientChannelPtr channel = pva->channel("exampleDouble");
PvaClientPutPtr put = channel->put();
PvaClientPutDataPtr putData = put->getData();
PvaClientMonitorPtr monitor = pva->channel("exampleDouble")->monitor("");
PvaClientMonitorDataPtr monitorData = monitor->getData();
try {
putData->putDouble(3.0); put->put();
cout << channel->get("field()")->getData()->showChanged(cout) << endl;
putData->putDouble(4.0); put->put();
cout << channel->get("field()")->getData()->showChanged(cout) << endl;
if(!monitor->waitEvent()) {
cout << "waitEvent returned false. Why???";
} else while(true) {
cout << "monitor changed\n" << monitorData->showChanged(cout);
monitor->releaseEvent();
if(!monitor->poll()) break;
}
} catch (std::runtime_error e) {
cout << "exception " << e.what() << endl;
}