/* -*- c++ -*- */
/*
 * Copyright 2008 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 <vrt_source_16sc.h>
#include <rx_16sc_handler.h>
#include <gr_io_signature.h>
#include <iostream>

vrt_source_16sc_sptr
vrt_make_source_16sc(const std::string &ifc, const std::string &mac_addr) 
  throw (std::runtime_error)
{
  return gnuradio::get_initial_sptr(new vrt_source_16sc(ifc, mac_addr));
}

vrt_source_16sc::vrt_source_16sc(const std::string &ifc, const std::string &mac_addr) 
  throw (std::runtime_error)
  : vrt_source_base("vrt_source_16sc",
		      gr_make_io_signature(1, 1, sizeof(std::complex<int16_t>)),
		      ifc, mac_addr)
{
  set_output_multiple(USRP2_MIN_RX_SAMPLES);
}

vrt_source_16sc::~vrt_source_16sc()
{
  // NOP
}

int
vrt_source_16sc::work(int noutput_items,
			gr_vector_const_void_star &input_items,
			gr_vector_void_star &output_items)
{
  std::complex<int16_t> *out = (std::complex<int16_t> *)output_items[0];

  rx_16sc_handler::sptr handler = rx_16sc_handler::make(noutput_items, USRP2_MIN_RX_SAMPLES, out);

  bool ok = d_u2->rx_samples(0, handler.get()); // FIXME: channel number instead of 0
  if (!ok){
    std::cerr << "vrt::rx_samples() failed" << std::endl;
    return -1;	// say we're done
  }

  return handler->nsamples();
}