/* -*- c++ -*- */

/*

 * Copyright 2003,2004,2005,2010 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.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <gr_oscope_sink_f.h>

#include <gr_io_signature.h>

#include <gr_oscope_guts.h>

gr_oscope_sink_f_sptr

gr_make_oscope_sink_f (double sampling_rate, gr_msg_queue_sptr msgq)

{

  return gnuradio::get_initial_sptr(new gr_oscope_sink_f (sampling_rate, msgq));

}

gr_oscope_sink_f::gr_oscope_sink_f (double sampling_rate, gr_msg_queue_sptr msgq)

  : gr_oscope_sink_x ("oscope_sink_f",

                      gr_make_io_signature (1, gr_oscope_guts::MAX_CHANNELS, sizeof (float)),

                      sampling_rate),

    d_msgq(msgq)

{

  d_guts = new gr_oscope_guts (d_sampling_rate, d_msgq);

}

bool

gr_oscope_sink_f::check_topology (int ninputs, int noutputs)

{

  return d_guts->set_num_channels(ninputs);

}

gr_oscope_sink_f::~gr_oscope_sink_f ()

{

}

int

gr_oscope_sink_f::work (int noutput_items,

                        gr_vector_const_void_star &input_items,

                        gr_vector_void_star &output_items)

{

  int          ni = input_items.size ();

  float          tmp[gr_oscope_guts::MAX_CHANNELS];

  for (int i = 0; i < noutput_items; i++){

    // FIXME for now, copy the data.  Fix later if reqd

    for (int ch = 0; ch < ni; ch++)        

      tmp[ch] = ((const float *) input_items[ch])[i];

    d_guts->process_sample (tmp);

  }

  return noutput_items;

}