diff options
| author | Johnathan Corgan <johnathan@corganlabs.com> | 2015-03-22 10:19:19 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2015-03-22 10:19:19 -0700 |
| commit | a709488d95cb71b0767e24e67a0cb70f46d30337 (patch) | |
| tree | 8de71698575d22b79ac20a54b01028fdc8dcabc9 /gr-atsc/lib/atsci_basic_trellis_encoder.cc | |
| parent | 65df3e31166b8f517a3779cddcdb7db5e68cdc9c (diff) | |
Removed top-level component gr-atsc.
This functionality has been migrated to the new gr-dtv top-level
component.
Diffstat (limited to 'gr-atsc/lib/atsci_basic_trellis_encoder.cc')
| -rw-r--r-- | gr-atsc/lib/atsci_basic_trellis_encoder.cc | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/gr-atsc/lib/atsci_basic_trellis_encoder.cc b/gr-atsc/lib/atsci_basic_trellis_encoder.cc deleted file mode 100644 index 589958220a..0000000000 --- a/gr-atsc/lib/atsci_basic_trellis_encoder.cc +++ /dev/null @@ -1,62 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2002 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. - */ - -#include <gnuradio/atsc/basic_trellis_encoder_impl.h> -#include <assert.h> - -const unsigned char atsci_basic_trellis_encoder::next_state[32] = { - 0,1,4,5, - 2,3,6,7, - 1,0,5,4, - 3,2,7,6, - 4,5,0,1, - 6,7,2,3, - 5,4,1,0, - 7,6,3,2 -}; - -const unsigned char atsci_basic_trellis_encoder::out_symbol[32] = { - 0,2,4,6, - 1,3,5,7, - 0,2,4,6, - 1,3,5,7, - 4,6,0,2, - 5,7,1,3, - 4,6,0,2, - 5,7,1,3 -}; - - -/*! - * Encode two bit INPUT into 3 bit return value. Domain is [0,3], - * Range is [0,7]. The mapping to bipolar levels is not done. - */ - -int -atsci_basic_trellis_encoder::encode (unsigned int input) -{ - assert (input < 4); - int index = (state << 2) + input; - state = next_state[index]; - return out_symbol[index]; -} - |