Directory reorganization to newer layout

[debian/gnuradio] / gr-pager / src / pager_flex_deinterleave.cc

diff --git a/gr-pager/src/pager_flex_deinterleave.cc b/gr-pager/src/pager_flex_deinterleave.cc
deleted file mode 100644 (file)
index 25ea22e..0000000
--- a/gr-pager/src/pager_flex_deinterleave.cc
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright 2004,2006 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_flex_deinterleave.h>
-#include <pageri_bch3221.h>
-#include <pageri_util.h>
-#include <gr_io_signature.h>
-
-pager_flex_deinterleave_sptr pager_make_flex_deinterleave()
-{
-    return pager_flex_deinterleave_sptr(new pager_flex_deinterleave());
-}
-
-pager_flex_deinterleave::pager_flex_deinterleave() :
-    gr_sync_decimator("flex_deinterleave",
-    gr_make_io_signature(1, 1, sizeof(unsigned char)),
-    gr_make_io_signature(1, 1, sizeof(gr_int32)), 32)
-{
-    set_output_multiple(8); // One FLEX block at a time
-}
-
-int pager_flex_deinterleave::work(int noutput_items,
-    gr_vector_const_void_star &input_items,
-    gr_vector_void_star &output_items)
-{
-    const unsigned char *in = (const unsigned char *)input_items[0];
-    gr_int32 *out = (gr_int32 *)output_items[0];    
-
-    // FLEX codewords are interleaved in blocks of 256 bits or 8, 32 bit
-    // codes.  To deinterleave we parcel each incoming bit into the MSB
-    // of each codeword, then switch to MSB-1, etc.  This is done by shifting
-    // in the bits from the right on each codeword as the bits come in.
-    // When we are done we have a FLEX block of eight codewords, ready for
-    // conversion to data words.
-    //
-    // FLEX data words are recovered by reversing the bit order of the code
-    // word, masking off the (reversed) ECC, and inverting the remainder of 
-    // the bits (!).
-    //
-    // The data portion of a FLEX frame consists of 11 of these deinterleaved
-    // and converted blocks.
-    //
-    // set_output_multiple garauntees we have output space for at least
-    // eight data words, and 256 bits are supplied on input
-
-    int i, j;
-    for (i = 0; i < 32; i++) {
-       for (j = 0; j < 8; j++) {
-           d_codewords[j] <<= 1;
-           d_codewords[j]  |= *in++;
-       }
-    }
-
-    // Now convert code words into data words  
-    for (j = 0; j < 8; j++) {
-       gr_int32 codeword = d_codewords[j];
-       
-       // Apply BCH 32,21 error correction
-       // TODO: mark dataword when codeword fails ECC
-       pageri_bch3221(codeword);
-       
-       // Reverse bit order
-       codeword = pageri_reverse_bits32(codeword);
-
-       // Mask off ECC then invert lower 21 bits
-       codeword = (codeword & 0x001FFFFF)^0x001FFFFF;
-
-       *out++ = codeword;
-    }
-    
-    return j;
-}