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/pccc_encoder_impl.cc | |
| parent | 7588f103b9e75eea56d241868d161d0f04f3fd79 (diff) | |
trellis: replace gengen with C++ templates
Diffstat (limited to 'gr-trellis/lib/pccc_encoder_impl.cc')
| -rw-r--r-- | gr-trellis/lib/pccc_encoder_impl.cc | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gr-trellis/lib/pccc_encoder_impl.cc b/gr-trellis/lib/pccc_encoder_impl.cc new file mode 100644 index 0000000000..2804f4b39c --- /dev/null +++ b/gr-trellis/lib/pccc_encoder_impl.cc @@ -0,0 +1,99 @@ +/* -*- 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 "pccc_encoder_impl.h" +#include <gnuradio/io_signature.h> +#include <iostream> + +namespace gr { + namespace trellis { + + template <class IN_T, class OUT_T> + typename pccc_encoder<IN_T,OUT_T>::sptr + pccc_encoder<IN_T,OUT_T>::make(const fsm &FSM1, int ST1, + const fsm &FSM2, int ST2, + const interleaver &INTERLEAVER, + int blocklength) + { + return gnuradio::get_initial_sptr + (new pccc_encoder_impl<IN_T,OUT_T>(FSM1, ST1, FSM2, ST2, INTERLEAVER, blocklength)); + } + + template <class IN_T, class OUT_T> + pccc_encoder_impl<IN_T,OUT_T>::pccc_encoder_impl(const fsm &FSM1, int ST1, + const fsm &FSM2, int ST2, + const interleaver &INTERLEAVER, + int blocklength) + : sync_block("pccc_encoder<IN_T,OUT_T>", + io_signature::make(1, 1, sizeof(IN_T)), + io_signature::make(1, 1, sizeof(OUT_T))), + d_FSM1(FSM1), d_ST1(ST1), + d_FSM2(FSM2), d_ST2(ST2), + d_INTERLEAVER(INTERLEAVER), + d_blocklength(blocklength) + { + assert(d_FSM1.I() == d_FSM2.I()); + this->set_output_multiple(d_blocklength); + d_buffer.resize(d_blocklength); + } + + template <class IN_T, class OUT_T> + pccc_encoder_impl<IN_T,OUT_T>::~pccc_encoder_impl() + { + } + + template <class IN_T, class OUT_T> + int + pccc_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 ST1_tmp = d_ST1; + int ST2_tmp = d_ST2; + for(int i = 0; i < d_blocklength; i++) { + int k = d_INTERLEAVER.INTER()[i]; + int o1 = d_FSM1.OS()[ST1_tmp*d_FSM1.I()+in[i]]; + ST1_tmp = (int) d_FSM1.NS()[ST1_tmp*d_FSM1.I()+in[i]]; + int o2 = d_FSM2.OS()[ST2_tmp*d_FSM2.I()+in[k]]; + ST2_tmp = (int) d_FSM2.NS()[ST2_tmp*d_FSM2.I()+in[k]]; + out[i] = (OUT_T) (o1*d_FSM2.O() + o2); + } + } + return noutput_items; + } + template class pccc_encoder<std::uint8_t, std::uint8_t>; + template class pccc_encoder<std::uint8_t, std::int16_t>; + template class pccc_encoder<std::uint8_t, std::int32_t>; + template class pccc_encoder<std::int16_t, std::int16_t>; + template class pccc_encoder<std::int16_t, std::int32_t>; + template class pccc_encoder<std::int32_t, std::int32_t>; + + } /* namespace trellis */ +} /* namespace gr */ |