diff options
| author | Tom Rondeau <tom@trondeau.com> | 2013-08-22 17:39:47 -0400 |
|---|---|---|
| committer | Tom Rondeau <tom@trondeau.com> | 2013-08-26 17:07:10 -0400 |
| commit | 52cffbabaef816ba7e723cf53c69a8cfa2a39849 (patch) | |
| tree | 95e7fadecd1362b307d7cd2f62f6ba8bfd073e40 /gr-blocks/lib/vco_c_impl.cc | |
| parent | 6bf21a5a3371939b8e3e79ac57b33deb333eea8a (diff) | |
blocks: adding a complex VCO block.
Diffstat (limited to 'gr-blocks/lib/vco_c_impl.cc')
| -rw-r--r-- | gr-blocks/lib/vco_c_impl.cc | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/gr-blocks/lib/vco_c_impl.cc b/gr-blocks/lib/vco_c_impl.cc new file mode 100644 index 0000000000..5103ce1851 --- /dev/null +++ b/gr-blocks/lib/vco_c_impl.cc @@ -0,0 +1,68 @@ +/* -*- c++ -*- */ +/* + * Copyright 2013 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "vco_c_impl.h" +#include <gnuradio/io_signature.h> +#include <math.h> + +namespace gr { + namespace blocks { + + vco_c::sptr + vco_c::make(double sampling_rate, double sensitivity, double amplitude) + { + return gnuradio::get_initial_sptr + (new vco_c_impl(sampling_rate, sensitivity, amplitude)); + } + + vco_c_impl::vco_c_impl(double sampling_rate, double sensitivity, double amplitude) + : sync_block("vco_c", + io_signature::make(1, 1, sizeof(float)), + io_signature::make(1, 1, sizeof(gr_complex))), + d_sampling_rate(sampling_rate), d_sensitivity(sensitivity), + d_amplitude(amplitude), d_k(d_sensitivity/d_sampling_rate) + { + } + + vco_c_impl::~vco_c_impl() + { + } + + int + vco_c_impl::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const float *input = (const float*)input_items[0]; + gr_complex *output = (gr_complex*)output_items[0]; + + d_vco.sincos(output, input, noutput_items, d_k, d_amplitude); + + return noutput_items; + } + + } /* namespace blocks */ +} /* namespace gr */ |