XYControl.cpp

#include "StdAfx.h"
#include "XYControl.h"
#include "parameters/Devices.h"
#include "controllers/ScopeLogger.h"

namespace scope {

XYControl::XYControl()
    : initialized(false)
    , pollinterval(1000) {
}

XYControl::~XYControl() {
    StopPolling();
}

void XYControl::Initialize(parameters::XYControl& _params) {
    pos[0] = &_params.xpos;
    pos[1] = &_params.ypos;
    pollinterval = round2ui32(_params.pollinterval());
    initialized = true;
    // Polling more frequently most definitely will lead to problems...
    if ( pollinterval > 100 ) {
        // we need to call from the this pointer to call the most derived version of StartPolling
        this->StartPolling();
    }
}

void XYControl::StartPolling() {
    // If something went wrong during initialization we do not want to poll (and probably cause more errors)
    if ( initialized ) {
        fut = std::async([this]() {
            while (!stop.IsSet()) {
                UpdatePositionValues();
                std::this_thread::sleep_for(std::chrono::milliseconds(pollinterval));
            } 
            return true;
        } );
    }
}

void XYControl::StopPolling() {
    stop.Set();
    if ( fut.valid() )
        fut.wait();
}

void XYControl::UpdatePositionValues() {
    // Do nothing
}

}