source: flair-src/trunk/lib/FlairSensorActuator/src/SimuUs.cpp@ 10

// %flair:license{
// This file is part of the Flair framework distributed under the
// CECILL-C License, Version 1.0.
// %flair:license}
//  created:    2014/02/07
//  filename:   SimuUs.cpp
//
//  author:     Guillaume Sanahuja
//              Copyright Heudiasyc UMR UTC/CNRS 7253
//
//  version:    $Id: $
//
//  purpose:    Class for a simulation us
//
//
/*********************************************************************/
#include "SimuUs.h"
#include <FrameworkManager.h>
#include <ImuData.h>
#include <SpinBox.h>
#include <GroupBox.h>
#include <cvmatrix.h>
#include <SharedMem.h>
#include <sstream>

using std::string;
using std::ostringstream;
using namespace flair::core;
using namespace flair::gui;

namespace flair
{
namespace sensor
{

SimuUs::SimuUs(const FrameworkManager* parent,string name,uint32_t dev_id,uint8_t priority) : Thread(parent,name,priority), UsRangeFinder(parent,name)
{
    data_rate=new SpinBox(GetGroupBox()->NewRow(),"data rate"," Hz",1,500,1,50);

    ostringstream dev_name;
    dev_name << "simu_us_" << dev_id;
    shmem=new SharedMem((Thread*)this,dev_name.str().c_str(),sizeof(float));
}

SimuUs::SimuUs(const IODevice* parent,string name,uint32_t dev_id) : Thread(parent,name,0), UsRangeFinder(parent,name)
{
    data_rate=NULL;

    ostringstream dev_name;
    dev_name << "simu_us_" << dev_id;
    shmem=new SharedMem((Thread*)this,dev_name.str().c_str(),sizeof(float));
}

SimuUs::~SimuUs()
{
    SafeStop();
    Join();
}

void SimuUs::Run(void)
{
    float z;

    if(data_rate==NULL)
    {
        Thread::Err("not applicable for simulation part.\n");
        return;
    }

    SetPeriodUS((uint32_t)(1000000./data_rate->Value()));

    while(!ToBeStopped())
    {
        WaitPeriod();

        shmem->Read((char*)&z,sizeof(float));

        if(data_rate->ValueChanged()==true)
        {
            SetPeriodUS((uint32_t)(1000000./data_rate->Value()));
        }

        output->SetValue(0,0,z);
        output->SetDataTime(GetTime());
        ProcessUpdate(output);
    }
}

} // end namespace sensor
} // end namespace flair