diff options
Diffstat (limited to 'gr-analog/lib')
| -rw-r--r-- | gr-analog/lib/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | gr-analog/lib/noise_source_X_impl.cc.t | 116 | ||||
| -rw-r--r-- | gr-analog/lib/noise_source_X_impl.h.t | 58 |
3 files changed, 175 insertions, 1 deletions
diff --git a/gr-analog/lib/CMakeLists.txt b/gr-analog/lib/CMakeLists.txt index 9faeaba80..cad0d7b91 100644 --- a/gr-analog/lib/CMakeLists.txt +++ b/gr-analog/lib/CMakeLists.txt @@ -96,7 +96,7 @@ endmacro(expand_cc) ######################################################################## # Invoke macro to generate various sources ######################################################################## -#expand_cc(block bf bc sf sc if ic) +expand_cc(noise_source_X_impl s i f c) ######################################################################## # Setup library diff --git a/gr-analog/lib/noise_source_X_impl.cc.t b/gr-analog/lib/noise_source_X_impl.cc.t new file mode 100644 index 000000000..35dda9c5d --- /dev/null +++ b/gr-analog/lib/noise_source_X_impl.cc.t @@ -0,0 +1,116 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2010,2012 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. + */ + +/* @WARNING@ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "@IMPL_NAME@.h" +#include <gr_io_signature.h> +#include <stdexcept> + +namespace gr { + namespace analog { + + @BASE_NAME@::sptr + @BASE_NAME@::make(noise_type_t type, float ampl, long seed) + { + return gnuradio::get_initial_sptr + (new @IMPL_NAME@(type, ampl, seed)); + } + + @IMPL_NAME@::@IMPL_NAME@(noise_type_t type, float ampl, long seed) + : gr_sync_block("@BASE_NAME@", + gr_make_io_signature(0, 0, 0), + gr_make_io_signature(1, 1, sizeof(@TYPE@))), + d_type(type), + d_ampl(ampl), + d_rng(seed) + { + } + + @IMPL_NAME@::~@IMPL_NAME@() + { + } + + int + @IMPL_NAME@::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + @TYPE@ *out = (@TYPE@*)output_items[0]; + + switch(d_type) { +#if @IS_COMPLEX@ // complex? + + case GR_UNIFORM: + for(int i = 0; i < noutput_items; i++) { + out[i] = gr_complex(d_ampl * ((d_rng.ran1() * 2.0) - 1.0), + d_ampl * ((d_rng.ran1() * 2.0) - 1.0)); + } + break; + + case GR_GAUSSIAN: + for(int i = 0; i < noutput_items; i++) { + out[i] = d_ampl * d_rng.rayleigh_complex(); + } + break; + +#else // nope... + + case GR_UNIFORM: + for(int i = 0; i < noutput_items; i++) { + out[i] = (@TYPE@)(d_ampl * ((d_rng.ran1() * 2.0) - 1.0)); + } + break; + + case GR_GAUSSIAN: + for(int i = 0; i < noutput_items; i++) { + out[i] = (@TYPE@)(d_ampl * d_rng.gasdev()); + } + break; + + case GR_LAPLACIAN: + for(int i = 0; i < noutput_items; i++) { + out[i] = (@TYPE@)(d_ampl * d_rng.laplacian()); + } + break; + + case GR_IMPULSE: // FIXME changeable impulse settings + for(int i = 0; i < noutput_items; i++) { + out[i] = (@TYPE@)(d_ampl * d_rng.impulse(9)); + } + break; +#endif + + default: + throw std::runtime_error("invalid type"); + } + + return noutput_items; + } + + } /* namespace analog */ +} /* namespace gr */ + diff --git a/gr-analog/lib/noise_source_X_impl.h.t b/gr-analog/lib/noise_source_X_impl.h.t new file mode 100644 index 000000000..8bcc1dfde --- /dev/null +++ b/gr-analog/lib/noise_source_X_impl.h.t @@ -0,0 +1,58 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2012 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. + */ + +/* @WARNING@ */ + +#ifndef @GUARD_NAME@ +#define @GUARD_NAME@ + +#include <analog/@BASE_NAME@.h> +#include <gr_random.h> + +namespace gr { + namespace analog { + + class @IMPL_NAME@ : public @BASE_NAME@ + { + noise_type_t d_type; + float d_ampl; + gr_random d_rng; + + public: + @IMPL_NAME@(noise_type_t type, float ampl, long seed = 0); + ~@IMPL_NAME@(); + + void set_type(noise_type_t type) { d_type = type; } + void set_amplitude(float ampl) { d_ampl = ampl; } + + noise_type_t type() const { return d_type; } + float amplitude() const { return d_ampl; } + + int work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* @GUARD_NAME@ */ |