diff options
Diffstat (limited to 'gr-trellis/src/lib/trellis_sccc_decoder_X.cc.t')
-rw-r--r-- | gr-trellis/src/lib/trellis_sccc_decoder_X.cc.t | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/gr-trellis/src/lib/trellis_sccc_decoder_X.cc.t b/gr-trellis/src/lib/trellis_sccc_decoder_X.cc.t new file mode 100644 index 000000000..4a0f471fa --- /dev/null +++ b/gr-trellis/src/lib/trellis_sccc_decoder_X.cc.t @@ -0,0 +1,124 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2010 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. + */ + +// @WARNING@ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <@NAME@.h> +#include <gr_io_signature.h> +#include <assert.h> +#include <iostream> +#include "core_algorithms.h" + + +static const float INF = 1.0e9; + +@SPTR_NAME@ +trellis_make_@BASE_NAME@ ( + const fsm &FSMo, int STo0, int SToK, + const fsm &FSMi, int STi0, int STiK, + const interleaver &INTERLEAVER, + int blocklength, + int repetitions, + trellis_siso_type_t SISO_TYPE +) +{ + return gnuradio::get_initial_sptr (new @NAME@ ( + FSMo, STo0, SToK, + FSMi, STi0, STiK, + INTERLEAVER, + blocklength, + repetitions, + SISO_TYPE + )); +} + +@NAME@::@NAME@ ( + const fsm &FSMo, int STo0, int SToK, + const fsm &FSMi, int STi0, int STiK, + const interleaver &INTERLEAVER, + int blocklength, + int repetitions, + trellis_siso_type_t SISO_TYPE +) + : gr_block ("@BASE_NAME@", + gr_make_io_signature (1, 1, sizeof (float)), + gr_make_io_signature (1, 1, sizeof (@O_TYPE@))), + d_FSMo (FSMo), d_STo0 (STo0), d_SToK (SToK), + d_FSMi (FSMi), d_STi0 (STi0), d_STiK (STiK), + d_INTERLEAVER (INTERLEAVER), + d_blocklength (blocklength), + d_repetitions (repetitions), + d_SISO_TYPE (SISO_TYPE) +{ + assert(d_FSMo.O() == d_FSMi.I()); + set_relative_rate (1.0 / ((double) d_FSMi.O())); + set_output_multiple (d_blocklength); +} + + +void +@NAME@::forecast (int noutput_items, gr_vector_int &ninput_items_required) +{ + assert (noutput_items % d_blocklength == 0); + int input_required = d_FSMi.O() * noutput_items ; + ninput_items_required[0] = input_required; +} + + + +//=========================================================== + +int +@NAME@::general_work (int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + assert (noutput_items % d_blocklength == 0); + int nblocks = noutput_items / d_blocklength; + + float (*p2min)(float, float) = NULL; + if(d_SISO_TYPE == TRELLIS_MIN_SUM) + p2min = &min; + else if(d_SISO_TYPE == TRELLIS_SUM_PRODUCT) + p2min = &min_star; + + + const float *in = (const float *) input_items[0]; + @O_TYPE@ *out = (@O_TYPE@ *) output_items[0]; + for (int n=0;n<nblocks;n++) { + sccc_decoder( + d_FSMo, d_STo0, d_SToK, + d_FSMi, d_STi0, d_STiK, + d_INTERLEAVER, d_blocklength, d_repetitions, + p2min, + &(in[n*d_blocklength*d_FSMi.O()]),&(out[n*d_blocklength]) + ); + } + + consume_each (d_FSMi.O() * noutput_items ); + return noutput_items; +} |