//
// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2011-2011 - DIGITEO - Bruno JOFRET
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution.  The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
//
//

function [x, y, typ]=ARDUINO_ENCODER(job, arg1, arg2)
    global corresp;
    corresp(2)=0;corresp(3)=1;corresp(21)=2;corresp(20)=3;corresp(19)=4;corresp(18)=5;
    x=[];
    y=[];
    typ=[];
    select job
     case 'plot' then
// deprecated
     case 'getinputs' then
// deprecater
     case 'getoutputs' then
// deprecated
     case 'getorigin' then
// deprecated
     case 'set' then
      x=arg1;
      graphics=arg1.graphics;
      exprs=graphics.exprs
      model=arg1.model;

      while %t do
          [ok,num_arduino,counting_mode,exprs1]=scicos_getvalue('Arduino Encoder parameters',..
                                         [gettext('Arduino card number');gettext('Counting mode : 1 (up chanA) 2 (up/down chanA) 4 (up/down chanA and B)')],list('vec',1,'vec',1), exprs(1:2))
          mess=[];

          if ~ok then break; end //cancel
          //security tests
          if num_arduino<>1 then
              mess=[mess ;gettext("Only card 1 can be used with this toolbox version ")];
              ok=%f;
          end
//          if num_encoder < 1 | num_encoder>4
//              mess=[mess ;_("Encoder number must be 1 or 2 ")]
//              ok = %f
//          end
          if counting_mode ~=1 & counting_mode~=2 & counting_mode~=4
              mess=[mess ;_("Counting mode must be 1, 2 or 4")]
              ok = %f
          end

          if ok then
              ok2=%f
              if counting_mode==1 | counting_mode==2 then
                  [ok2,pin_A,pin_B,exprs2]=scicos_getvalue(['Definition of Pins Encoder';'UNO interruption PIN are : 2 or 3';'MEGA interruption PIN are : 2, 3 and 18 to 21'],..
                                         [gettext('Pin Channel A (interruption PIN see above)');gettext('Pin Direction (whatever)')],list('vec',1,'vec',1), exprs(3:4))
              elseif counting_mode==4
                  [ok2,pin_A,pin_B,exprs2]=scicos_getvalue(['Definition of Pins Encoder';'UNO interruption PIN are : 2 or 3';'MEGA interruption PIN are : 2, 3 and 18 to 21'],..
                                         [gettext('Pin Channel A (interruption PIN see above)');gettext('Pin Channel B (interruption PIN see above)')],list('vec',1,'vec',1), exprs(3:4))                        
              end
              if ~ok2 then break; end //cancel
              if pin_A~=2 & pin_A~=3 & pin_A~=18 & pin_A~=19 & pin_A~=20 & pin_A~=21 then
                  mess=[mess ;_("Pin for Channel A must be 2, 3 or 18 to 21 (pin with interrupts) ")]
                  ok2 = %f
              end
              if ok2 then                           
              model.rpar=[num_arduino;counting_mode;pin_A;pin_B];
              exprs=string(model.rpar);
              graphics.exprs = exprs;
              x.model=model;
              x.graphics = graphics;
              break
              else
                message(mess);
              end
          else
              message(mess);
          end

      end
     case 'define' then
      model=scicos_model();
      model.sim=list("ARDUINO_ENCODER_sim", 5)
      model.blocktype='d';
      model.dep_ut=[%f %f];
      model.out=[1];
      model.evtin=[1];
      model.evtout=[1];
      model.firing=[0;-1]
      //num_encoder=1; 
      num_arduino=1, counting_mode=2; pin_A=2; pin_B=4;
      model.rpar=[num_arduino;counting_mode;pin_A;pin_B]; //Default Pin number and Arduino card number
      x=standard_define([2 2],model,[],[]);
      x.graphics.out_implicit=['E'];
      x.graphics.style=["blockWithLabel;verticalLabelPosition=bottom;verticalAlign=top;spacing=-2;displayedLabel=Encoder<br>on card %s"]
      x.graphics.exprs=string([num_arduino;counting_mode;pin_A;pin_B])
    end
endfunction