diff options
Diffstat (limited to 'gr-atsc/src/lib/gen_encoder.py')
-rwxr-xr-x | gr-atsc/src/lib/gen_encoder.py | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/gr-atsc/src/lib/gen_encoder.py b/gr-atsc/src/lib/gen_encoder.py deleted file mode 100755 index 6c8fabf7ad..0000000000 --- a/gr-atsc/src/lib/gen_encoder.py +++ /dev/null @@ -1,63 +0,0 @@ -#!/usr/bin/python -# -# 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. -# - -def output(input, state): - x2 = (input >> 1) & 0x1 - x1 = (input >> 0) & 0x1 - s = (state >> 2) & 0x1 - t = (state >> 1) & 0x1 - u = (state >> 0) & 0x1 - - z0 = u - z1 = x1 - z2 = x2 ^ s - return (z2 << 2) | (z1 << 1) | z0 - - -def next_state(input, state): - x2 = (input >> 1) & 0x1 - x1 = (input >> 0) & 0x1 - s0 = (state >> 2) & 0x1 - t0 = (state >> 1) & 0x1 - u0 = (state >> 0) & 0x1 - - s1 = x2 ^ s0 - t1 = u0 - u1 = t0 ^ x1 - - return (s1 << 2) | (t1 << 1) | u1 - -print "@@@ NEXT @@@" - -for i in range (32): - state = (i >> 2) & 0x7 - input = i & 0x3 - print next_state (input, state) - - -print "@@@ OUTPUT @@@" - -for i in range (32): - state = (i >> 2) & 0x7 - input = i & 0x3 - print output (input, state) - |