//
// 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 block=ARDUINO_ENCODER_sim(block,flag)
    global port_com arduino_sample_time corresp;
function DEBUG(message)
    disp("[DEBUG time = "+string(scicos_time())+"] {"+block.label+"} ARDUINO_ANALOG_READ Simulation: "+message);
endfunction
    select flag
     case -5 // Error

     case 0 // Derivative State Update


 case 1 // Output Update
      // Envoi de la trame sur le port série pour dire de renvoyer la valeur comptée
      code_sent="Ep"+ascii(corresp(block.rpar(3)));
//      writeserial(port_com,code_sent);
      write_serial(1,code_sent,3)

//      //binary transfer
//      [q,flags]=serialstatus(port_com);
//      while (q(1) < 4) 
//        [q,flags]=serialstatus(port_com);
//      end
//      values=readserial(port_com,4);
      
      //binary transfert
      [a,b,c]=status_serial(1);
      while (b < 4) 
        [a,b,c]=status_serial(1);
      end
      values=read_serial(1,4);
      temp=ascii(values);
      val=double(int32(uint32(256^3*temp(4)+256^2*temp(3)+256*temp(2)+temp(1))));
//      disp(val)
      block.outptr(1)=val;
      
      
     case 2 // State Update

     case 3 // OutputEventTiming
          evout = block.evout(1);
          if evout < 0
              evout = arduino_sample_time;
          else
              evout = evout + arduino_sample_time;
          end
          block.evout(1) = evout;
     case 4 // Initialization
//          code_sent="Fa"+string(block.rpar(1))+string(block.rpar(4))+string(block.rpar(5))+string(block.rpar(3))
          code_sent="Ea"+ascii(0+corresp(block.rpar(3))); //on envoie plus le PIN mais le numéro d'interruption
          if  block.rpar(2)==4 then //mode4
              code_sent=code_sent+ascii(0+corresp(block.rpar(4)))+string(block.rpar(2));// on envoie le num d'interruption
          else//mode 1 ou 2
              code_sent=code_sent+ascii(0+block.rpar(4))+string(block.rpar(2));//on envoie le num de PIN en mode 1x/2x
          end

//          writeserial(port_com,code_sent); 
          write_serial(1,code_sent,5)
          code_sent="Ez"+ascii(corresp(block.rpar(3)));
//          writeserial(port_com,code_sent); 
          write_serial(1,code_sent,3)
     case 5 // Ending
          if  block.rpar(2)==4 then //mode4
             code_sent="Er"+ascii(corresp(block.rpar(3)))+ascii(corresp(block.rpar(4)));
         else
             code_sent="Er"+ascii(corresp(block.rpar(3)))+ascii(corresp(block.rpar(3)));
         end
//          writeserial(port_com,code_sent);
          write_serial(1,code_sent,4)
//          disp(code_sent)
     case 6 // Re-Initialisation

     case 9 // ZeroCrossing

    else // Unknown flag

    end
endfunction