Example #1
0
    void idlingCoupledJoints(const int i, const bool sw)
    {
        IControlMode *imod;
        driver->view(imod);

        PidData &pid=pids[i];
        for (size_t j=0; j<pid.idling_joints.size(); j++)
            imod->setControlMode(pid.idling_joints[j],
                                 sw?VOCAB_CM_IDLE:VOCAB_CM_POSITION);
    }
void partMover::slider_release(GtkRange *range, gtkClassData* currentClassData)
{    
  partMover *currentPart = currentClassData->partPointer;
  int * joint = currentClassData->indexPointer;
  bool *POS_UPDATE = currentPart->CURRENT_POS_UPDATE;
  IPositionControl *ipos = currentPart->pos;
  IPidControl      *ipid = currentPart->pid;
  IPositionDirect  *iDir = currentPart->iDir;
  GtkWidget **sliderVel = currentPart->sliderVelArray;

  double val = gtk_range_get_value(range);
  double valVel = gtk_range_get_value((GtkRange *)sliderVel[*joint]);

  IControlMode     *iCtrl = currentPart->ctrlmode2;
  int mode;

  iCtrl->getControlMode(*joint, &mode);

  if (!POS_UPDATE[*joint])
    {
      if( ( mode == VOCAB_CM_POSITION) || (mode == VOCAB_CM_MIXED) )
      {
         ipos->setRefSpeed(*joint, valVel);
         ipos->positionMove(*joint, val);
      }
      else if( ( mode == VOCAB_CM_IMPEDANCE_POS))
      {
         fprintf(stderr, " using old 'impedance_position' mode, this control mode is deprecated!");
         ipos->setRefSpeed(*joint, valVel);
         ipos->positionMove(*joint, val);
      }
      else if ( mode == VOCAB_CM_POSITION_DIRECT)
      {
         if (position_direct_enabled)
         {
             iDir->setPosition(*joint, val);
         }
         else
         {
             fprintf(stderr, "You cannot send direct position commands without using --direct option!");
         }

      }
      else
      {
          fprintf(stderr, "Joint not in position nor positionDirect so cannot send references");
      }
    }
  return;
}
void partMover::sliderVel_release(GtkRange *range, gtkClassData* currentClassData)
{    
  partMover *currentPart = currentClassData->partPointer;
  int * joint = currentClassData->indexPointer;
  IPositionControl *ipos = currentPart->pos;
  IPositionDirect  *iDir = currentPart->iDir;
  GtkWidget **sliderAry = currentPart->sliderArray;
  IControlMode     *iCtrl = currentPart->ctrlmode2;
  int mode;

  double val = gtk_range_get_value(range);
  double posit = gtk_range_get_value((GtkRange *) sliderAry[*joint]);
  ipos->setRefSpeed(*joint, val);
  iCtrl->getControlMode(*joint, &mode);
  ipos->positionMove(*joint, posit);
  return;
}
Example #4
0
    void _send(const ActionItem *x)
    {
        if (!connected)
        {
            cerr<<"Error: not connected to control board skipping"<<endl;
            return;
        }

        int size=x->getCmd().size();
        int offset=x->getOffset();
        double time=x->getTime();
        int nJoints=0;

        enc->getAxes(&nJoints);
        if ((offset+size)>nJoints)
        {
            cerr<<"Error: detected possible overflow, skipping"<<endl;
            cerr<<"For debug --> joints: "<<nJoints<< " off: "<<offset<<" cmd length: "<<size<<endl;
            return;
        }

        Vector disp(size);

        if (time==0)
        {
            return;
        }

        for (size_t i=0; i<disp.length(); i++)
        {
            double q;

           
            if (!enc->getEncoder(offset+i,&q))
            {
                 cerr<<"Error: encoders timed out, cannot rely on encoder feedback, aborted"<<endl;
                 return;
            }
                
            disp[i]=x->getCmd()[i]-q;

            if (disp[i]<0.0)
                disp[i]=-disp[i];
        }

        // don't blend together the two "for"
        // since we have to enforce the modes on the whole
        // prior to commanding the joints
        std::vector<int>    joints;
        std::vector<int>    modes;
        std::vector<double> speeds;
        std::vector<double> positions;

        for (size_t i=0; i<disp.length(); i++)
        {
            joints.push_back(offset+i);
            speeds.push_back(disp[i]/time);
            modes.push_back(VOCAB_CM_POSITION);
            positions.push_back(x->getCmd()[i]);
        }

        mode->setControlModes(disp.length(), joints.data(), modes.data());
        yarp::os::Time::delay(0.01);  // give time to update control modes value
        mode->getControlModes(disp.length(), joints.data(), modes.data());
        for (size_t i=0; i<disp.length(); i++)
        {
            if(modes[i] != VOCAB_CM_POSITION)
            {
                yError() << "Joint " << i << " not in position mode";
            }
        }
        pos->setRefSpeeds(disp.length(), joints.data(), speeds.data());
        pos->positionMove(disp.length(), joints.data(), positions.data());

        cout << "Script port: " << x->getCmd().toString() << endl;
    }
bool partMover::entry_update(partMover *currentPart)
{
  GdkColor color_black;
  GdkColor color_grey;
  GdkColor color_yellow;
  GdkColor color_green;
  GdkColor color_green_blue;
  GdkColor color_dark_green;
  GdkColor color_red;
  GdkColor color_fault_red;
  GdkColor color_pink;
  GdkColor color_indaco;
  GdkColor color_white;
  GdkColor color_blue;
  
  color_pink.red=219*255;
  color_pink.green=166*255;
  color_pink.blue=171*255;

  color_fault_red.red=255*255;
  color_fault_red.green=10*255;
  color_fault_red.blue=10*255;

  color_black.red=10*255;
  color_black.green=10*255;
  color_black.blue=10*255;

  color_red.red=255*255;
  color_red.green=100*255;
  color_red.blue=100*255;

  color_grey.red=220*255;
  color_grey.green=220*255;
  color_grey.blue=220*255;

  color_white.red=250*255;
  color_white.green=250*255;
  color_white.blue=250*255;

  color_green.red=149*255;
  color_green.green=221*255;
  color_green.blue=186*255;

  color_dark_green.red=(149-30)*255;
  color_dark_green.green=(221-30)*255;
  color_dark_green.blue=(186-30)*255;

  color_blue.red=150*255;
  color_blue.green=190*255;
  color_blue.blue=255*255;

  color_green_blue.red=(149+150)/2*255;
  color_green_blue.green=(221+190)/2*255;
  color_green_blue.blue=(186+255)/2*255;

  color_indaco.red=220*255;
  color_indaco.green=190*255;
  color_indaco.blue=220*255;

  color_yellow.red=249*255;
  color_yellow.green=236*255;
  color_yellow.blue=141*255;
  
  GdkColor* pColor= &color_grey;

  static int slowSwitcher = 0;

  IControlMode     *ictrl = currentPart->ctrlmode2;
  IInteractionMode *iint  = currentPart->iinteract;
  IPositionControl  *ipos = currentPart->pos;
  IVelocityControl  *ivel = currentPart->iVel;
  IPositionDirect   *iDir = currentPart->iDir;
  IEncoders       *iiencs = currentPart->iencs;
  ITorqueControl    *itrq = currentPart->trq;
  IAmplifierControl *iamp = currentPart->amp;

  GtkEntry * *pos_entry   = (GtkEntry **)  currentPart->currPosArray;
  GtkEntry  **trq_entry   = (GtkEntry **)  currentPart->currTrqArray;
  GtkEntry  **speed_entry = (GtkEntry **)  currentPart->currSpeedArray;
  GtkEntry    **inEntry   = (GtkEntry **)  currentPart->inPosArray;
  GtkWidget **colorback   = (GtkWidget **) currentPart->frameColorBack;

  GtkWidget **sliderAry = currentPart->sliderArray;
  bool *POS_UPDATE = currentPart->CURRENT_POS_UPDATE;

  char buffer[40] = {'i', 'n', 'i', 't'};
  char frame_title [255];

  double positions[MAX_NUMBER_OF_JOINTS];
  double torques[MAX_NUMBER_OF_JOINTS];
  double speeds[MAX_NUMBER_OF_JOINTS];
  double max_torques[MAX_NUMBER_OF_JOINTS];
  double min_torques[MAX_NUMBER_OF_JOINTS];
  static int controlModes[MAX_NUMBER_OF_JOINTS];
  static int controlModesOld[MAX_NUMBER_OF_JOINTS];
  static yarp::dev::InteractionModeEnum interactionModes[MAX_NUMBER_OF_JOINTS];
  static yarp::dev::InteractionModeEnum interactionModesOld[MAX_NUMBER_OF_JOINTS];

  int k;
  int NUMBER_OF_JOINTS=0;
  bool done = false;
  bool ret = false;
  ipos->getAxes(&NUMBER_OF_JOINTS);

  if (NUMBER_OF_JOINTS == 0)
  {
      fprintf(stderr,"Lost connection with iCubInterface. You should save and restart.\n" );
      Time::delay(0.1);
      pColor=&color_grey;
      strcpy(frame_title,"DISCONNECTED");
      for (k = 0; k < MAX_NUMBER_OF_JOINTS; k++)
      {   
          if (currentPart->framesArray[k]!=0)
          {
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          }
      }
      return true;
  }

  for (k = 0; k < NUMBER_OF_JOINTS; k++) 
  {
      max_torques[k]=0;
      min_torques[k]=0;
      torques[k]=0;
  }

  if (!iiencs->getEncoders(positions)) 
      return true;
  itrq->getTorques(torques);
  iiencs->getEncoderSpeeds(speeds);
  
  //update all joints positions
  for (k = 0; k < NUMBER_OF_JOINTS; k++)
    {
      sprintf(buffer, "%.1f", positions[k]);  
      gtk_entry_set_text((GtkEntry*) pos_entry[k],  buffer);
      sprintf(buffer, "%.3f", torques[k]);  
      gtk_entry_set_text((GtkEntry*) trq_entry[k],  buffer);
      sprintf(buffer, "%.1f", speeds[k]);  
      gtk_entry_set_text((GtkEntry*) speed_entry[k],  buffer);
    }
  //update all joint sliders
  for (k = 0; k < NUMBER_OF_JOINTS; k++) 
    if(POS_UPDATE[k])
      gtk_range_set_value((GtkRange*)sliderAry[k],  positions[k]);

  // *** update the checkMotionDone box section ***
  // (only one at a time in order to save badwidth)
  k = slowSwitcher%NUMBER_OF_JOINTS;
  slowSwitcher++;
#if DEBUG_GUI
  gtk_entry_set_text((GtkEntry*) inEntry[k],  "off");
#else
  ipos->checkMotionDone(k, &done);
  if (!done)
      gtk_entry_set_text((GtkEntry*) inEntry[k],  " "); 
  else
      gtk_entry_set_text((GtkEntry*) inEntry[k],  "@");
#endif

  // *** update the controlMode section ***
  // the new icubinterface does not increase the bandwidth consumption
  // ret = true; useless guys!
  ret=ictrl->getControlModes(controlModes);
  if (ret==false) fprintf(stderr,"ictrl->getControlMode failed\n" );
  ret=iint->getInteractionModes(interactionModes);
  if (ret==false) fprintf(stderr,"iint->getInteractionlMode failed\n" );

  for (k = 0; k < NUMBER_OF_JOINTS; k++)
  {
      if (currentPart->first_time==false && controlModes[k] == controlModesOld[k]) continue;
      controlModesOld[k]=controlModes[k];
      sprintf(frame_title,"Joint %d ",k );

      switch (controlModes[k])
      {
          case VOCAB_CM_IDLE:
              pColor=&color_yellow;
                strcat(frame_title," (IDLE)");
                gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_POSITION:
              pColor=&color_green;
              strcat(frame_title," (POSITION)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider1[k]),"Position:");
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider2[k]),"Velocity:");
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_POSITION_DIRECT:
              pColor=&color_dark_green;
              strcat(frame_title," (POSITION_DIRECT)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider1[k]),"Position:");
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider2[k]),"---");
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_MIXED:
              pColor=&color_green_blue;
              strcat(frame_title," (MIXED_MODE)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider1[k]),"Position:");
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider2[k]),"Velocity");
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_VELOCITY:
              pColor=&color_blue;
              strcat(frame_title," (VELOCITY)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_TORQUE:
              pColor=&color_pink;
              strcat(frame_title," (TORQUE)");
                gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider1[k]),"Torque:");
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider2[k]),"Torque2:");
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
              break;
          case VOCAB_CM_IMPEDANCE_POS:
              pColor=&color_indaco;
              strcat(frame_title," (IMPEDANCE POS)");
                gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
            case VOCAB_CM_IMPEDANCE_VEL:
              pColor=&color_indaco;
              strcat(frame_title," (IMPEDANCE VEL)");
                gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_OPENLOOP:
              pColor=&color_white;
              strcat(frame_title," (OPENLOOP)");
                gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_HW_FAULT:
              pColor=&color_fault_red;
              strcat(frame_title," (HARDWARE_FAULT)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider1[k]),"---");
              gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider2[k]),"---");
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
              break;
         case VOCAB_CM_CALIBRATING:
              pColor=&color_grey;
              strcat(frame_title," (CALIBRATING)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
         case VOCAB_CM_CALIB_DONE:
              pColor=&color_grey;
              strcat(frame_title," (CALIB DONE)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_NOT_CONFIGURED:
              pColor=&color_grey;
              strcat(frame_title," (NOT CONFIGURED)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          case VOCAB_CM_CONFIGURED:
              pColor=&color_grey;
              strcat(frame_title," (CONFIGURED)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
          default:
          case VOCAB_CM_UNKNOWN:
              pColor=&color_grey;
              strcat(frame_title," (UNKNOWN)");
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          break;
      }
  }
  for (k = 0; k < NUMBER_OF_JOINTS; k++)
  {
      if (currentPart->first_time==false && interactionModes[k] == interactionModesOld[k]) continue;
      interactionModesOld[k]=interactionModes[k];
      switch (interactionModes[k])
      {
           case VOCAB_IM_STIFF:
               gtk_widget_modify_base ((GtkWidget*)inEntry[k], GTK_STATE_NORMAL, &color_green);
           break;
           case VOCAB_IM_COMPLIANT:
               gtk_widget_modify_base ((GtkWidget*)inEntry[k], GTK_STATE_NORMAL, &color_fault_red);
           break;
           default:
           case VOCAB_CM_UNKNOWN:
               gtk_widget_modify_base ((GtkWidget*)inEntry[k], GTK_STATE_NORMAL, &color_white);
           break;
      }
  }

  currentPart->first_time =false;
  return true;
    
}
Example #6
0
    bool tune(const int i)
    {
        PidData &pid=pids[i];

        Property pGeneral;
        pGeneral.put("joint",i);
        string sGeneral="(general ";
        sGeneral+=pGeneral.toString();
        sGeneral+=')';

        Bottle bGeneral,bPlantEstimation,bStictionEstimation;
        bGeneral.fromString(sGeneral);
        bPlantEstimation.fromString("(plant_estimation (Ts 0.01) (Q 1.0) (R 1.0) (P0 100000.0) (tau 1.0) (K 1.0) (max_pwm 800.0))");
        bStictionEstimation.fromString("(stiction_estimation (Ts 0.01) (T 2.0) (vel_thres 5.0) (e_thres 1.0) (gamma (10.0 10.0)) (stiction (0.0 0.0)))");

        Bottle bConf=bGeneral;
        bConf.append(bPlantEstimation);
        bConf.append(bStictionEstimation);

        Property pOptions(bConf.toString().c_str());
        OnlineCompensatorDesign designer;
        if (!designer.configure(*driver,pOptions))
        {
            yError("designer configuration failed!");
            return false;
        }

        idlingCoupledJoints(i,true);

        Property pPlantEstimation;
        pPlantEstimation.put("max_time",20.0);
        pPlantEstimation.put("switch_timeout",2.0);
        designer.startPlantEstimation(pPlantEstimation);

        yInfo("Estimating plant for joint %d: max duration = %g seconds",
              i,pPlantEstimation.find("max_time").asDouble());

        double t0=Time::now();
        while (!designer.isDone())
        {
            yInfo("elapsed %d [s]",(int)(Time::now()-t0));
            Time::delay(1.0);
            if (interrupting)
            {
                idlingCoupledJoints(i,false);
                return false;
            }
        }

        Property pResults;
        designer.getResults(pResults);
        double tau=pResults.find("tau_mean").asDouble();
        double K=pResults.find("K_mean").asDouble();
        yInfo("plant = %g/s * 1/(1+s*%g)",K,tau);

        Property pControllerRequirements,pController;
        pControllerRequirements.put("tau",tau);
        pControllerRequirements.put("K",K);
        pControllerRequirements.put("f_c",0.75);

        if (i!=15)
        {
            pControllerRequirements.put("T_dr",1.0);
            pControllerRequirements.put("type","PI");
        }
        else
            pControllerRequirements.put("type","P");

        designer.tuneController(pControllerRequirements,pController);
        yInfo("tuning results: %s",pController.toString().c_str());
        double Kp=pController.find("Kp").asDouble();
        double Ki=pController.find("Ki").asDouble();
        pid.scale=4.0;
        int scale=(int)pid.scale; int shift=1<<scale;
        double fwKp=floor(Kp*pid.encs_ratio*shift);
        double fwKi=floor(Ki*pid.encs_ratio*shift/1000.0);
        pid.Kp=yarp::math::sign(pid.Kp*fwKp)>0.0?fwKp:-fwKp;
        pid.Ki=yarp::math::sign(pid.Ki*fwKi)>0.0?fwKi:-fwKi;
        pid.Kd=0.0;
        yInfo("Kp (FW) = %g; Ki (FW) = %g; Kd (FW) = %g; shift factor = %d",pid.Kp,pid.Ki,pid.Kd,scale);

        Property pStictionEstimation;
        pStictionEstimation.put("max_time",60.0);
        pStictionEstimation.put("Kp",Kp);
        pStictionEstimation.put("Ki",0.0);
        pStictionEstimation.put("Kd",0.0);
        designer.startStictionEstimation(pStictionEstimation);

        yInfo("Estimating stiction for joint %d: max duration = %g seconds",
              i,pStictionEstimation.find("max_time").asDouble());

        t0=Time::now();
        while (!designer.isDone())
        {
            yInfo("elapsed %d [s]",(int)(Time::now()-t0));
            Time::delay(1.0);
            if (interrupting)
            {
                idlingCoupledJoints(i,false);
                return false;
            }
        }

        designer.getResults(pResults);
        pid.st_up=floor(pResults.find("stiction").asList()->get(0).asDouble());
        pid.st_down=floor(pResults.find("stiction").asList()->get(1).asDouble());
        yInfo("Stiction values: up = %g; down = %g",pid.st_up,pid.st_down);

        IControlMode *imod;
        IPositionControl *ipos;
        IEncoders *ienc;
        driver->view(imod);
        driver->view(ipos);
        driver->view(ienc);
        imod->setControlMode(i,VOCAB_CM_POSITION);
        ipos->setRefSpeed(i,50.0);
        ipos->positionMove(i,0.0);
        yInfo("Driving the joint back to rest... ");
        t0=Time::now();
        while (Time::now()-t0<5.0)
        {
            double enc;
            ienc->getEncoder(i,&enc);
            if (fabs(enc)<1.0)
                break;

            if (interrupting)
            {
                idlingCoupledJoints(i,false);
                return false;
            }

            Time::delay(0.2);
        }
        yInfo("done!");

        idlingCoupledJoints(i,false);
        return true;
    }
Example #7
0
bool partMover::entry_update(partMover *currentPart)
{
  GdkColor color_grey;
  GdkColor color_yellow;
  GdkColor color_green;
  GdkColor color_red;
  GdkColor color_pink;
  GdkColor color_indaco;
  GdkColor color_white;
  GdkColor color_blue;
  
  color_pink.red=219*255;
  color_pink.green=166*255;
  color_pink.blue=171*255;

  color_red.red=255*255;
  color_red.green=100*255;
  color_red.blue=100*255;

  color_grey.red=220*255;
  color_grey.green=220*255;
  color_grey.blue=220*255;

  color_white.red=250*255;
  color_white.green=250*255;
  color_white.blue=250*255;

  color_green.red=149*255;
  color_green.green=221*255;
  color_green.blue=186*255;

  color_blue.red=150*255;
  color_blue.green=190*255;
  color_blue.blue=255*255;

  color_indaco.red=220*255;
  color_indaco.green=190*255;
  color_indaco.blue=220*255;

  color_yellow.red=249*255;
  color_yellow.green=236*255;
  color_yellow.blue=141*255;
  
  GdkColor* pColor= &color_grey;

  static int slowSwitcher = 0;

  IControlMode     *ictrl = currentPart->ctrlmode;
  IPositionControl  *ipos = currentPart->pos;
  IVelocityControl  *ivel = currentPart->iVel;
  IEncoders       *iiencs = currentPart->iencs;
  ITorqueControl    *itrq = currentPart->trq;
  IAmplifierControl *iamp = currentPart->amp;

  GtkEntry * *pos_entry   = (GtkEntry **)  currentPart->currPosArray;
  GtkEntry  **trq_entry   = (GtkEntry **)  currentPart->currTrqArray;
  GtkEntry  **speed_entry = (GtkEntry **)  currentPart->currSpeedArray;
  GtkEntry    **inEntry   = (GtkEntry **)  currentPart->inPosArray;
  GtkWidget **colorback   = (GtkWidget **) currentPart->frameColorBack;

  GtkWidget **sliderAry = currentPart->sliderArray;
  bool *POS_UPDATE = currentPart->CURRENT_POS_UPDATE;

  char buffer[40] = {'i', 'n', 'i', 't'};
  char frame_title [255];

  double positions[MAX_NUMBER_OF_JOINTS];
  double torques[MAX_NUMBER_OF_JOINTS];
  double speeds[MAX_NUMBER_OF_JOINTS];
  double max_torques[MAX_NUMBER_OF_JOINTS];
  double min_torques[MAX_NUMBER_OF_JOINTS];
  static int controlModes[MAX_NUMBER_OF_JOINTS];
  static int controlModesOld[MAX_NUMBER_OF_JOINTS];

  int k;
  int NUMBER_OF_JOINTS=0;
  bool done = false;
  bool ret = false;
  ipos->getAxes(&NUMBER_OF_JOINTS);

  if (NUMBER_OF_JOINTS == 0)
  {
      fprintf(stderr,"Lost connection with iCubInterface. You should save and restart.\n" );
      Time::delay(0.1);
      pColor=&color_grey;
      strcpy(frame_title,"DISCONNECTED");
      for (k = 0; k < MAX_NUMBER_OF_JOINTS; k++)
      {   
          if (currentPart->framesArray[k]!=0)
          {
              gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
              gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
          }
      }
      return true;
  }

  for (k = 0; k < NUMBER_OF_JOINTS; k++) 
  {
	  max_torques[k]=0;
	  min_torques[k]=0;
	  torques[k]=0;
  }

  if (!iiencs->getEncoders(positions)) 
	  return true;
  itrq->getTorques(torques);
  iiencs->getEncoderSpeeds(speeds);
  
  //update all joints positions
  for (k = 0; k < NUMBER_OF_JOINTS; k++)
    {
      sprintf(buffer, "%.1f", positions[k]);  
      gtk_entry_set_text((GtkEntry*) pos_entry[k],  buffer);
      sprintf(buffer, "%.3f", torques[k]);  
	  gtk_entry_set_text((GtkEntry*) trq_entry[k],  buffer);
      sprintf(buffer, "%.1f", speeds[k]);  
	  gtk_entry_set_text((GtkEntry*) speed_entry[k],  buffer);
    }
  //update all joint sliders
  for (k = 0; k < NUMBER_OF_JOINTS; k++) 
    if(POS_UPDATE[k])
      gtk_range_set_value((GtkRange*)sliderAry[k],  positions[k]);

  // *** update the checkMotionDone box section ***
  // (only one at a time in order to save badwidth)
  k = slowSwitcher%NUMBER_OF_JOINTS;
  slowSwitcher++;
#if DEBUG_GUI
  gtk_entry_set_text((GtkEntry*) inEntry[k],  "off");
#else
  ipos->checkMotionDone(k, &done);
  if (!done)
      gtk_entry_set_text((GtkEntry*) inEntry[k],  " "); 
  else
      gtk_entry_set_text((GtkEntry*) inEntry[k],  "@");
#endif

  // *** update the controlMode section ***
  // the new icubinterface does not increase the bandwidth consumption
  // ret = true; useless guys!
  ret=ictrl->getControlModes(controlModes);

  if (ret==false) fprintf(stderr,"ictrl->getControlMode failed\n" );
  for (k = 0; k < NUMBER_OF_JOINTS; k++)
  {
	  if (currentPart->first_time==false && controlModes[k] == controlModesOld[k]) continue;
	  controlModesOld[k]=controlModes[k];
	  sprintf(frame_title,"Joint %d ",k );

	  switch (controlModes[k])
	  {
		  case VOCAB_CM_IDLE:
			  pColor=&color_yellow;
  			  strcat(frame_title," (IDLE)");
  			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
		  break;
		  case VOCAB_CM_POSITION:
			  pColor=&color_green;
			  strcat(frame_title," (POSITION)");
			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider1[k]),"Position:");
			  gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider2[k]),"Velocity:");
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
		  break;
		  case VOCAB_CM_VELOCITY:
			  pColor=&color_blue;
			  strcat(frame_title," (VELOCITY)");
			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
		  break;
		  case VOCAB_CM_TORQUE:
			  pColor=&color_pink;
			  strcat(frame_title," (TORQUE)");
  			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider1[k]),"Torque:");
			  gtk_frame_set_label   (GTK_FRAME(currentPart->frame_slider2[k]),"Torque2:");
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
			  break;
		  case VOCAB_CM_IMPEDANCE_POS:
			  pColor=&color_indaco;
			  strcat(frame_title," (IMPEDANCE POS)");
  			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
		  break;
  		  case VOCAB_CM_IMPEDANCE_VEL:
			  pColor=&color_indaco;
			  strcat(frame_title," (IMPEDANCE VEL)");
  			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
		  break;
		  case VOCAB_CM_OPENLOOP:
			  pColor=&color_white;
			  strcat(frame_title," (OPENLOOP)");
  			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
		  break;
		  default:
		  case VOCAB_CM_UNKNOWN:
			  pColor=&color_grey;
			  //strcat(frame_title," (UNKNOWN)");
			  gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
			  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
		  break;
	  }

	  //  pColor=&color_blue;
	  //  gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
	  
	  int curr_amp_status=0;
	  int amp_status[60];                             //fix this!!!
	  for (int i=0; i<60; i++) amp_status[i]=0;       //fix this!!!
	  iamp->getAmpStatus(amp_status);                 //fix this!!!
	  curr_amp_status=amp_status[k];                  //fix this!!!

#if 0
	  if ((amp_status[k] & 0xFF)!=0)
	  {
	     //fprintf(stderr, "FAULT DETECTED: %x\n", curr_amp_status);
		 //pColor=&color_red;
		 //strcat(frame_title," (FAULT)");
		 //gtk_frame_set_label   (GTK_FRAME(currentPart->framesArray[k]),frame_title);
		 //gtk_widget_modify_bg (colorback[k], GTK_STATE_NORMAL, pColor);
	  }
#endif
  }

  currentPart->first_time =false;
  return true;
	
}