diff options
| author | Josh Morman <mormjb@gmail.com> | 2020-06-02 09:37:58 -0400 |
|---|---|---|
| committer | mormj <34754695+mormj@users.noreply.github.com> | 2020-11-16 13:10:53 -0500 |
| commit | e5144a18d9f5280f62db4dd3c2426860b92b2631 (patch) | |
| tree | ce74d38bdfbd2c2ed5a106c2cac7914bc98660a7 /gr-digital/lib/constellation_encoder_bc_impl.cc | |
| parent | f1d64ccf38f669420387c1cc8787513538e40947 (diff) | |
digital: add constellation_encoder block
Diffstat (limited to 'gr-digital/lib/constellation_encoder_bc_impl.cc')
| -rw-r--r-- | gr-digital/lib/constellation_encoder_bc_impl.cc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gr-digital/lib/constellation_encoder_bc_impl.cc b/gr-digital/lib/constellation_encoder_bc_impl.cc new file mode 100644 index 0000000000..c054686de5 --- /dev/null +++ b/gr-digital/lib/constellation_encoder_bc_impl.cc @@ -0,0 +1,57 @@ +/* -*- c++ -*- */ +/* + * Copyright 2020 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * SPDX-License-Identifier: GPL-3.0-or-later + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "constellation_encoder_bc_impl.h" +#include <gnuradio/io_signature.h> + +namespace gr { +namespace digital { + +constellation_encoder_bc::sptr +constellation_encoder_bc::make(constellation_sptr constellation) +{ + return gnuradio::get_initial_sptr(new constellation_encoder_bc_impl(constellation)); +} + +constellation_encoder_bc_impl::constellation_encoder_bc_impl( + constellation_sptr constellation) + : sync_interpolator("constellation_encoder_bc", + io_signature::make(1, 1, sizeof(unsigned char)), + io_signature::make(1, 1, sizeof(gr_complex)), + constellation->dimensionality()), + d_constellation(constellation) +{ +} + +constellation_encoder_bc_impl::~constellation_encoder_bc_impl() {} + +int constellation_encoder_bc_impl::work(int noutput_items, + gr_vector_const_void_star& input_items, + gr_vector_void_star& output_items) +{ + unsigned char const* in = (const unsigned char*)input_items[0]; + gr_complex* out = (gr_complex*)output_items[0]; + + int ninput_items = noutput_items / d_constellation->dimensionality(); + + for (int i = 0; i < ninput_items; i++) { + d_constellation->map_to_points(in[i], + &out[i * d_constellation->dimensionality()]); + } + + return noutput_items; +} + +} /* namespace digital */ +} /* namespace gr */ |