source: flair-src/trunk/lib/FlairSensorActuator/src/TargetController.cpp@ 4

// %flair:license{
// This file is part of the Flair framework distributed under the
// CECILL-C License, Version 1.0.
// %flair:license}
//  created:    2015/03/30
//  filename:   TargetController.cpp
//
//  author:     Gildas Bayard
//              Copyright Heudiasyc UMR UTC/CNRS 7253
//
//  version:    $Id: $
//
//  purpose:    Base class for target side remote controls
//
//
/*********************************************************************/
#include "TargetController.h"
#include "Controller.h"
#include <TabWidget.h>
#include <Tab.h>
#include <FrameworkManager.h>
#include <cvmatrix.h>

#include <cstring>
#include <string>

#include <unistd.h> //for usleep

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

namespace flair
{
namespace sensor
{

TargetController::TargetController(const FrameworkManager* parent,string name,uint8_t priority) :
    Thread(parent,name,priority),IODevice(parent,name) {
    main_tab=new Tab(getFrameworkManager()->GetTabWidget(),name);
    TabWidget* tab=new TabWidget(main_tab->NewRow(),name);
    setup_tab=new Tab(tab,"Reglages");

}

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

std::string TargetController::GetAxisName(unsigned int axisId) const {
    return string("axis")+std::to_string(axisId);
}

std::string TargetController::GetButtonName(unsigned int buttonId) const {
    return string("button")+std::to_string(buttonId);
}

bool TargetController::SetLedOn(unsigned int ledId) {
    if (!IsControllerActionSupported(ControllerAction::SetLedOn)) return false;
    SwitchLedMessage *msgLed=new SwitchLedMessage(true,ledId);
    changeStateQueue.push(msgLed);
    return true;
}

bool TargetController::SetLedOff(unsigned int ledId) {
    if (!IsControllerActionSupported(ControllerAction::SetLedOn)) return false;
    SwitchLedMessage *msgLed=new SwitchLedMessage(false,ledId);
    changeStateQueue.push(msgLed);
    return true;
}

bool TargetController::Rumble(unsigned int leftForce,unsigned int leftTimeout,unsigned int rightForce,unsigned int rightTimeout) {
    if (!IsControllerActionSupported(ControllerAction::Rumble)) return false;
    RumbleMessage *msgRumble=new RumbleMessage(leftForce,leftTimeout,rightForce,rightTimeout);
    changeStateQueue.push(msgRumble);
    return true;
}

bool TargetController::FlashLed(unsigned int ledId,unsigned int onTimeout,unsigned int offTimeout){
    if (!IsControllerActionSupported(ControllerAction::FlashLed)) return false;
    FlashLedMessage *msgFlashLed=new FlashLedMessage(ledId,onTimeout,offTimeout);
    changeStateQueue.push(msgFlashLed);
    return true;
}

float TargetController::GetAxisValue(unsigned int axisId) const{
    //TODO we'd better throw an exception here
    if (axis==NULL) return 0;

    axis->GetMutex();
    float axisValue=axis->Value(axisId, 0);
    axis->ReleaseMutex();
    return axisValue;
}

bool TargetController::IsButtonPressed(unsigned int buttonId) const{
    //TODO we'd better throw an exception here
    if (button==NULL) return false;

    button->GetMutex();
    bool buttonValue=button->Value(buttonId, 0);
    button->ReleaseMutex();
    return buttonValue;
}

void TargetController::Run() {
    Message *message;

    if(getFrameworkManager()->ErrorOccured()||!ControllerInitialization()) {
        SafeStop();
        Thread::Err("An error occured, we don't proceed with the loop.\n");
    } else {

        axis=new cvmatrix((IODevice *)this,axisNumber,1,floatType);
        button=new cvmatrix((IODevice *)this,buttonNumber,1,SignedIntegerType(8));

        while(!ToBeStopped()) {
            //Thread::Info("Debug: entering acquisition loop\n");
            if(getFrameworkManager()->ConnectionLost()==true) SafeStop();

            if (IsDataFrameReady()) {
                //Thread::Info("Debug: data frame is ready\n");

                AcquireAxisData(*axis);
                AcquireButtonData(*button);

                //send the data
                axis->SetDataTime(GetTime());
                ProcessUpdate(axis);

                //send pending controller state change request(s)

                while(changeStateQueue.size()!=0) {
                    message=changeStateQueue.front();
                    if (ProcessMessage(message)) {
                        changeStateQueue.pop();
                        delete message;
                    }
                }
            } else {
                //Thread::Info("Debug: relax...\n");
                usleep(20000); //20ms
            }
        }
    }
}

Tab* TargetController::GetTab() const {
    return setup_tab;
}

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