| /* -*- c++ -*- */ |
| /* |
| * @file |
| * @author Piotr Krysik <ptrkrysik@gmail.com> |
| * @section LICENSE |
| * |
| * Gr-gsm 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. |
| * |
| * Gr-gsm 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 gr-gsm; 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 */ |
| |