/* -*- c++ -*- */
/*
 * Copyright 2004 Free Software Foundation, Inc.
 * 
 * This file is part of GNU Radio
 * 
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 * 
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

/*
 * config.h is generated by configure.  It contains the results
 * of probing for features, options etc.  It should be the first
 * file included in your .cc file.
 */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <gr_my_divisorcamadas_ff.h>
#include <gr_io_signature.h>
#include <stdio.h>


/*
 * Create a new instance of gr_my_divisorcamadas_ff and return
 * a boost shared_ptr.  This is effectively the public constructor.
 */
gr_my_divisorcamadas_ff_sptr 
gr_make_my_divisorcamadas_ff ()
//gr_make_my_divisorcamadas_ff ()
{
  return gr_my_divisorcamadas_ff_sptr (new gr_my_divisorcamadas_ff ());
  //return gr_my_divisorcamadas_ff_sptr (new gr_my_divisorcamadas_ff ());
}

/*
 * Specify constraints on number of input and output streams.
 * This info is used to construct the input and output signatures
 * (2nd & 3rd args to gr_block's constructor).  The input and
 * output signatures are used by the runtime system to
 * check that a valid number and type of inputs and outputs
 * are connected to this block.  In this case, we accept
 * only 1 input and 1 output.
 */
static const int MIN_IN = 1;	// mininum number of input streams
static const int MAX_IN = 1;	// maximum number of input streams
static const int MIN_OUT = 4;	// minimum number of output streams
static const int MAX_OUT = 4;	// maximum number of output streams

/*
 * The public constructor
 */
gr_my_divisorcamadas_ff::gr_my_divisorcamadas_ff ()
//gr_my_divisorcamadas_ff::gr_my_divisorcamadas_ff ()
  : gr_block ("my_divisorcamadas_ff",
		   gr_make_io_signature (MIN_IN, MAX_IN, sizeof (float)),
		   gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (float)))
{
	 
}


/*
 * Our destructor.
 */


void gr_my_divisorcamadas_ff::forecast ( int noutput_items,gr_vector_int &ninput_items_required)

{
	ninput_items_required[0]=204;

}


int 
gr_my_divisorcamadas_ff:: general_work(int noutput_items,
        gr_vector_int &ninput_items,
        gr_vector_const_void_star &input_items,
        gr_vector_void_star &output_items)
{
  const int *in = (const int *) input_items[0];
  const int ninput = (const int) ninput_items[0];
  int *outA = (int *) output_items[0];
  int *outB = (int *) output_items[1];
  int *outC = (int *) output_items[2];
  int *outIIP = (int *) output_items[3];
  int info;
  
  info = in[190] & 240; //extrair os 4 bits mais significativos
  info = info >> 4; // deslocamento
  
  switch (info){
	case 1: //camada A
		for (int i =0; i<ninput; i++) outA[i] = in[i];
		break;
	case 2: //camada B
		for (int i =0; i<ninput; i++) outB[i] = in[i];
		break;
	case 3: //camada C
		for (int i =0; i<ninput; i++) outC[i] = in[i];
		break;
	case 8: //IIP
		for (int i =0; i<ninput; i++) outIIP[i] = in[i];
		break;

  }

  
  //consumo os itens da entrada
    this->consume(0,ninput);
  // Tell runtime system how many output items we produced.
  return noutput_items;
}