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-rw-r--r--gr-pager/src/pager_slicer_fb.cc84
1 files changed, 0 insertions, 84 deletions
diff --git a/gr-pager/src/pager_slicer_fb.cc b/gr-pager/src/pager_slicer_fb.cc
deleted file mode 100644
index d419db78a..000000000
--- a/gr-pager/src/pager_slicer_fb.cc
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright 2004,2006,2007 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 <pager_slicer_fb.h>
-#include <gr_io_signature.h>
-
-pager_slicer_fb_sptr pager_make_slicer_fb(float alpha)
-{
- return pager_slicer_fb_sptr(new pager_slicer_fb(alpha));
-}
-
-pager_slicer_fb::pager_slicer_fb(float alpha) :
- gr_sync_block ("slicer_fb",
- gr_make_io_signature (1, 1, sizeof(float)),
- gr_make_io_signature (1, 1, sizeof(unsigned char)))
-{
- d_alpha = alpha;
- d_beta = 1.0-alpha;
- d_avg = 0.0;
-}
-
-// Tracks average, minimum, and peak, then converts input into one of:
-//
-// [0, 1, 2, 3]
-unsigned char pager_slicer_fb::slice(float sample)
-{
- unsigned char decision;
-
- // Update DC level and remove
- d_avg = d_avg*d_beta+sample*d_alpha;
- sample -= d_avg;
-
- if (sample > 0) {
- if (sample > 2.0)
- decision = 3;
- else
- decision = 2;
- }
- else {
- if (sample < -2.0)
- decision = 0;
- else
- decision = 1;
- }
-
- return decision;
-}
-
-int pager_slicer_fb::work(int noutput_items,
- gr_vector_const_void_star &input_items,
- gr_vector_void_star &output_items)
-{
- float *iptr = (float *) input_items[0];
- unsigned char *optr = (unsigned char *) output_items[0];
-
- int size = noutput_items;
-
- for (int i = 0; i < size; i++)
- *optr++ = slice(*iptr++);
-
- return noutput_items;
-}