48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/**
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* Server application
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*/
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#include <iostream>
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#include <opendaq/opendaq.h>
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using namespace std::literals::chrono_literals;
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using namespace daq;
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int main(int /*argc*/, const char* /*argv*/[])
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{
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const InstancePtr instance = InstanceBuilder().addModulePath(MODULE_PATH).build();
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DevicePtr device = instance.addDevice("daqref://device0");
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ChannelPtr channel = device.getChannels()[0];
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SignalPtr signal = channel.getSignals()[0];
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FunctionBlockPtr renderer = instance.addFunctionBlock("RefFBModuleRenderer");
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FunctionBlockPtr module = instance.addFunctionBlock("ExampleIIRFilter");
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module.setPropertyValue("CutoffFrequency", 10);
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module.getInputPorts()[0].connect(signal);
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renderer.getInputPorts()[0].connect(signal);
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renderer.getInputPorts()[1].connect(module.getSignals()[0]);
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// Set the frequency to 5 Hz
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channel.setPropertyValue("Frequency", 5);
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// Set the noise amplitude to 0.75
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channel.setPropertyValue("NoiseAmplitude", 0.75);
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double amplStep = 0.1;
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for (int i = 0; i < 200; ++i)
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{
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std::this_thread::sleep_for(std::chrono::milliseconds(25));
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const double ampl = channel.getPropertyValue("Amplitude");
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if (9.95 < ampl || ampl < 1.05)
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amplStep *= -1;
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channel.setPropertyValue("Amplitude", ampl + amplStep);
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}
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std::this_thread::sleep_for(5s);
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return 0;
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}
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