diff options
Diffstat (limited to 'gr-analog/lib/phase_modulator_fc_impl.cc')
-rw-r--r-- | gr-analog/lib/phase_modulator_fc_impl.cc | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gr-analog/lib/phase_modulator_fc_impl.cc b/gr-analog/lib/phase_modulator_fc_impl.cc new file mode 100644 index 000000000..9e9e73f8c --- /dev/null +++ b/gr-analog/lib/phase_modulator_fc_impl.cc @@ -0,0 +1,73 @@ +/* -*- c++ -*- */ +/* + * Copyright 2005,2006,2010,2012 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "phase_modulator_fc_impl.h" +#include <gr_io_signature.h> +#include <gr_sincos.h> +#include <math.h> + +namespace gr { + namespace analog { + + phase_modulator_fc::sptr + phase_modulator_fc::make(double sensitivity) + { + return gnuradio::get_initial_sptr + (new phase_modulator_fc_impl(sensitivity)); + } + + phase_modulator_fc_impl::phase_modulator_fc_impl(double sensitivity) + : gr_sync_block("phase_modulator_fc", + gr_make_io_signature(1, 1, sizeof(float)), + gr_make_io_signature(1, 1, sizeof(gr_complex))), + d_sensitivity(sensitivity), d_phase(0) + { + } + + phase_modulator_fc_impl::~phase_modulator_fc_impl() + { + } + + int + phase_modulator_fc_impl::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const float *in = (const float*)input_items[0]; + gr_complex *out = (gr_complex*)output_items[0]; + + for(int i = 0; i < noutput_items; i++) { + d_phase = d_sensitivity * in[i]; + float oi, oq; + gr_sincosf(d_phase, &oq, &oi); + out[i] = gr_complex(oi, oq); + } + + return noutput_items; + } + + } /* namespace analog */ +} /* namespace gr */ |