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/* -*- c++ -*- */
/*
* Copyright 2006,2009,2013 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 "copy_impl.h"
#include <gnuradio/io_signature.h>
#include <string.h>
namespace gr {
namespace blocks {
copy::sptr
copy::make(size_t itemsize)
{
return gnuradio::get_initial_sptr
(new copy_impl(itemsize));
}
copy_impl::copy_impl(size_t itemsize)
: block("copy",
io_signature::make(1, -1, itemsize),
io_signature::make(1, -1, itemsize)),
d_itemsize(itemsize),
d_enabled(true)
{
message_port_register_in(pmt::mp("en"));
set_msg_handler(pmt::mp("en"),
boost::bind(©_impl::handle_enable, this, _1));
}
copy_impl::~copy_impl()
{
}
void
copy_impl::handle_enable(pmt::pmt_t msg)
{
if(pmt::is_bool(msg)) {
bool en = pmt::to_bool(msg);
d_enabled = en;
}
}
void
copy_impl::forecast(int noutput_items, gr_vector_int &ninput_items_required)
{
unsigned ninputs = ninput_items_required.size();
for (unsigned i = 0; i < ninputs; i++)
ninput_items_required[i] = noutput_items;
}
bool
copy_impl::check_topology(int ninputs, int noutputs)
{
return ninputs == noutputs;
}
int
copy_impl::general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
const uint8_t **in = (const uint8_t**)&input_items[0];
uint8_t **out = (uint8_t**)&output_items[0];
int n = 0;
if(d_enabled) {
int ninputs = input_items.size();
for(int i = 0; i < ninputs; i++) {
memcpy(out[i], in[i], noutput_items*d_itemsize);
}
n = noutput_items;
}
consume_each(noutput_items);
return n;
}
void
copy_impl::setup_rpc()
{
#ifdef GR_CTRLPORT
add_rpc_variable(
rpcbasic_sptr(new rpcbasic_register_handler<copy>(
alias(), "en",
"", "Enable",
RPC_PRIVLVL_MIN, DISPNULL)));
#endif /* GR_CTRLPORT */
}
} /* namespace blocks */
} /* namespace gr */
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