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/* -*- c++ -*- */
/*
* Copyright 2014 <+YOU OR YOUR COMPANY+>.
*
* This 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.
*
* This software 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 this software; 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 <gnuradio/io_signature.h>
#include "controlled_const_source_f_impl.h"
namespace gr {
namespace gsm {
controlled_const_source_f::sptr
controlled_const_source_f::make(float constant)
{
return gnuradio::get_initial_sptr
(new controlled_const_source_f_impl(constant));
}
void controlled_const_source_f_impl::set_constant_msg(pmt::pmt_t msg){
if(pmt::is_real(msg)){
set_constant(pmt::to_double(msg));
}
}
/*
* The private constructor
*/
controlled_const_source_f_impl::controlled_const_source_f_impl(float constant)
: gr::sync_block("controlled_const_source_f",
gr::io_signature::make(0, 0, 0),
gr::io_signature::make(1, 1, sizeof(float)))
{
set_constant(constant);
message_port_register_in(pmt::mp("constant_msg"));
set_msg_handler(pmt::mp("constant_msg"), boost::bind(&controlled_const_source_f_impl::set_constant_msg, this, _1));
}
/*
* Our virtual destructor.
*/
controlled_const_source_f_impl::~controlled_const_source_f_impl()
{
}
int
controlled_const_source_f_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
float *optr = (float*)output_items[0];
float t;
t = d_constant;
std::fill_n(optr, noutput_items, t);
return noutput_items;
}
void controlled_const_source_f_impl::set_constant(float constant){
d_constant = constant;
}
} /* namespace gsm */
} /* namespace gr */
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