piotr | 4089c1a | 2014-08-06 14:10:56 +0200 | [diff] [blame] | 1 | /* -*- c++ -*- */ |
| 2 | /* |
| 3 | * Copyright 2014 <+YOU OR YOUR COMPANY+>. |
| 4 | * |
| 5 | * This is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 3, or (at your option) |
| 8 | * any later version. |
| 9 | * |
| 10 | * This software is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this software; see the file COPYING. If not, write to |
| 17 | * the Free Software Foundation, Inc., 51 Franklin Street, |
| 18 | * Boston, MA 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifdef HAVE_CONFIG_H |
| 22 | #include "config.h" |
| 23 | #endif |
| 24 | |
| 25 | #include <gnuradio/io_signature.h> |
| 26 | #include "controlled_const_source_f_impl.h" |
| 27 | |
| 28 | namespace gr { |
| 29 | namespace gsm { |
| 30 | |
| 31 | controlled_const_source_f::sptr |
| 32 | controlled_const_source_f::make(float constant) |
| 33 | { |
| 34 | return gnuradio::get_initial_sptr |
| 35 | (new controlled_const_source_f_impl(constant)); |
| 36 | } |
| 37 | |
| 38 | void controlled_const_source_f_impl::set_constant_msg(pmt::pmt_t msg){ |
| 39 | if(pmt::is_real(msg)){ |
| 40 | set_constant(pmt::to_double(msg)); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | /* |
| 45 | * The private constructor |
| 46 | */ |
| 47 | controlled_const_source_f_impl::controlled_const_source_f_impl(float constant) |
| 48 | : gr::sync_block("controlled_const_source_f", |
| 49 | gr::io_signature::make(0, 0, 0), |
| 50 | gr::io_signature::make(1, 1, sizeof(float))) |
| 51 | { |
| 52 | set_constant(constant); |
| 53 | message_port_register_in(pmt::mp("constant_msg")); |
| 54 | set_msg_handler(pmt::mp("constant_msg"), boost::bind(&controlled_const_source_f_impl::set_constant_msg, this, _1)); |
| 55 | } |
| 56 | |
| 57 | /* |
| 58 | * Our virtual destructor. |
| 59 | */ |
| 60 | controlled_const_source_f_impl::~controlled_const_source_f_impl() |
| 61 | { |
| 62 | } |
| 63 | |
| 64 | int |
| 65 | controlled_const_source_f_impl::work(int noutput_items, |
| 66 | gr_vector_const_void_star &input_items, |
| 67 | gr_vector_void_star &output_items) |
| 68 | { |
| 69 | float *optr = (float*)output_items[0]; |
| 70 | float t; |
| 71 | |
| 72 | t = d_constant; |
| 73 | std::fill_n(optr, noutput_items, t); |
| 74 | |
| 75 | return noutput_items; |
| 76 | } |
| 77 | |
| 78 | void controlled_const_source_f_impl::set_constant(float constant){ |
| 79 | d_constant = constant; |
| 80 | } |
| 81 | |
| 82 | |
| 83 | |
| 84 | } /* namespace gsm */ |
| 85 | } /* namespace gr */ |
| 86 | |