1 /* -*- c++ -*- */ 2 /* 3 * Copyright 2009,2012 Free Software Foundation, Inc. 4 * 5 * This file is part of GNU Radio 6 * 7 * GNU Radio is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 3, or (at your option) 10 * any later version. 11 * 12 * GNU Radio is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with GNU Radio; see the file COPYING. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef INCLUDED_CHANNELS_CFO_MODEL_IMPL_H 24 #define INCLUDED_CHANNELS_CFO_MODEL_IMPL_H 25 26 #include "sincostable.h" 27 #include <gnuradio/analog/fastnoise_source.h> 28 #include <gnuradio/blocks/integrate.h> 29 #include <gnuradio/blocks/multiply.h> 30 #include <gnuradio/blocks/vco_c.h> 31 #include <gnuradio/channels/cfo_model.h> 32 #include <gnuradio/top_block.h> 33 34 namespace gr { 35 namespace channels { 36 37 class CHANNELS_API cfo_model_impl : public cfo_model 38 { 39 private: 40 double d_samp_rate; 41 double d_std_dev_hz; 42 double d_max_dev_hz; 43 sincostable d_table; 44 gr::analog::fastnoise_source_f::sptr d_noise; 45 double d_cfo; 46 float d_angle; 47 double d_noise_seed; 48 49 public: 50 cfo_model_impl(double sample_rate_hz, 51 double std_dev_hz, 52 double max_dev_hz, 53 double noise_seed = 0); 54 55 ~cfo_model_impl(); 56 void setup_rpc(); 57 int work(int, gr_vector_const_void_star&, gr_vector_void_star&); 58 set_std_dev(double _dev)59 void set_std_dev(double _dev) 60 { 61 d_std_dev_hz = _dev; 62 d_noise = gr::analog::fastnoise_source_f::make( 63 analog::GR_GAUSSIAN, d_std_dev_hz, d_noise_seed); 64 } set_max_dev(double _dev)65 void set_max_dev(double _dev) { d_max_dev_hz = _dev; } set_samp_rate(double _rate)66 void set_samp_rate(double _rate) { d_samp_rate = _rate; } 67 std_dev()68 double std_dev() const { return d_std_dev_hz; } max_dev()69 double max_dev() const { return d_max_dev_hz; } samp_rate()70 double samp_rate() const { return d_samp_rate; } 71 }; 72 73 } /* namespace channels */ 74 } /* namespace gr */ 75 76 #endif /* INCLUDED_CHANNELS_CFO_MODEL_IMPL_H */ 77