diff options
| author | Andrej Rode <mail@andrejro.de> | 2018-08-20 13:58:33 +0200 |
|---|---|---|
| committer | Andrej Rode <mail@andrejro.de> | 2018-08-26 00:36:31 +0200 |
| commit | 97ba0b074f4ecc1cc78b5d1902c5e2458b4b5c5a (patch) | |
| tree | 133f977f8c2802b307a3f129f4c97ba24dbb48a8 /gr-trellis/lib/sccc_encoder_impl.cc | |
| parent | 7588f103b9e75eea56d241868d161d0f04f3fd79 (diff) | |
trellis: replace gengen with C++ templates
Diffstat (limited to 'gr-trellis/lib/sccc_encoder_impl.cc')
| -rw-r--r-- | gr-trellis/lib/sccc_encoder_impl.cc | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gr-trellis/lib/sccc_encoder_impl.cc b/gr-trellis/lib/sccc_encoder_impl.cc new file mode 100644 index 0000000000..9c3e1da2d5 --- /dev/null +++ b/gr-trellis/lib/sccc_encoder_impl.cc @@ -0,0 +1,101 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2010,2012,2018 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 "sccc_encoder_impl.h" +#include <gnuradio/io_signature.h> +#include <iostream> + +namespace gr { + namespace trellis { + + template <class IN_T, class OUT_T> + typename sccc_encoder<IN_T,OUT_T>::sptr + sccc_encoder<IN_T,OUT_T>::make(const fsm &FSMo, int STo, + const fsm &FSMi, int STi, + const interleaver &INTERLEAVER, + int blocklength) + { + return gnuradio::get_initial_sptr + (new sccc_encoder_impl<IN_T,OUT_T>(FSMo, STo, FSMi, STi, INTERLEAVER, blocklength)); + } + + template <class IN_T, class OUT_T> + sccc_encoder_impl<IN_T,OUT_T>::sccc_encoder_impl(const fsm &FSMo, int STo, + const fsm &FSMi, int STi, + const interleaver &INTERLEAVER, + int blocklength) + : sync_block("sccc_encoder<IN_T,OUT_T>", + io_signature::make(1, 1, sizeof(IN_T)), + io_signature::make(1, 1, sizeof(OUT_T))), + d_FSMo(FSMo), d_STo(STo), + d_FSMi(FSMi), d_STi(STi), + d_INTERLEAVER(INTERLEAVER), + d_blocklength(blocklength) + { + this->set_output_multiple(d_blocklength); + d_buffer.resize(d_blocklength); + } + + template <class IN_T, class OUT_T> + sccc_encoder_impl<IN_T,OUT_T>::~sccc_encoder_impl() + { + } + + template <class IN_T, class OUT_T> + int + sccc_encoder_impl<IN_T,OUT_T>::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + for(int b = 0; b < noutput_items/d_blocklength; b++) { + const IN_T *in = (const IN_T*)input_items[0]+b*d_blocklength; + OUT_T *out = (OUT_T*)output_items[0]+b*d_blocklength; + + int STo_tmp = d_STo; + for(int i = 0; i < d_blocklength; i++) { + d_buffer[i] = d_FSMo.OS()[STo_tmp*d_FSMo.I()+in[i]]; + STo_tmp = (int) d_FSMo.NS()[STo_tmp*d_FSMo.I()+in[i]]; + } + + int STi_tmp = d_STi; + for(int i = 0; i < d_blocklength; i++) { + int k = d_INTERLEAVER.INTER()[i]; + out[i] = (OUT_T) d_FSMi.OS()[STi_tmp*d_FSMi.I()+d_buffer[k]]; + STi_tmp = (int) d_FSMi.NS()[STi_tmp*d_FSMi.I()+d_buffer[k]]; + } + } + return noutput_items; + } + template class sccc_encoder<std::uint8_t, std::uint8_t>; + template class sccc_encoder<std::uint8_t, std::int16_t>; + template class sccc_encoder<std::uint8_t, std::int32_t>; + template class sccc_encoder<std::int16_t, std::int16_t>; + template class sccc_encoder<std::int16_t, std::int32_t>; + template class sccc_encoder<std::int32_t, std::int32_t>; + + + } /* namespace trellis */ +} /* namespace gr */ |