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/* -*- c++ -*- */
/*
* Copyright 2014-2015 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 <multiply_const_vff_impl.h>
#include <gnuradio/io_signature.h>
#include <volk/volk.h>
namespace gr {
namespace blocks {
multiply_const_vff::sptr
multiply_const_vff::make(std::vector<float> k)
{
return gnuradio::get_initial_sptr
(new multiply_const_vff_impl(k));
}
multiply_const_vff_impl::multiply_const_vff_impl(std::vector<float> k)
: sync_block("multiply_const_vff",
io_signature::make(1, 1, sizeof(float)*k.size()),
io_signature::make(1, 1, sizeof(float)*k.size())),
d_k(k)
{
const int alignment_multiple =
volk_get_alignment() / sizeof(float);
set_alignment(std::max(1,alignment_multiple));
}
int
multiply_const_vff_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
float *iptr = (float*)input_items[0];
float *optr = (float*)output_items[0];
int nitems_per_block = output_signature()->sizeof_stream_item(0)/sizeof(float);
for(int i = 0; i < noutput_items; i++) {
for(int j = 0; j < nitems_per_block; j++) {
*optr++ = *iptr++ * d_k[j];
}
}
return noutput_items;
}
void
multiply_const_vff_impl::setup_rpc()
{
#ifdef GR_CTRLPORT
add_rpc_variable(
rpcbasic_sptr(new rpcbasic_register_get<multiply_const_vff,
std::vector<float> >(
alias(), "coefficient",
&multiply_const_vff::k,
pmt::mp(-1024.0f), pmt::mp(1024.0f), pmt::mp(0.0f),
"", "Coefficient", RPC_PRIVLVL_MIN,
DISPTIME | DISPOPTSTRIP)));
add_rpc_variable(
rpcbasic_sptr(new rpcbasic_register_set<multiply_const_vff,
std::vector<float> >(
alias(), "coefficient",
&multiply_const_vff::set_k,
pmt::mp(-1024.0f), pmt::mp(1024.0f), pmt::mp(0.0f),
"", "Coefficient",
RPC_PRIVLVL_MIN, DISPNULL)));
#endif /* GR_CTRLPORT */
}
} /* namespace blocks */
} /* namespace gr */
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