summaryrefslogtreecommitdiff
path: root/gr-blocks/lib/unpacked_to_packed_XX_impl.cc.t
diff options
context:
space:
mode:
authorMartin Braun2013-02-26 13:44:12 +0100
committerMartin Braun2013-02-26 13:44:12 +0100
commit7bb8c89e224e7b2c9ddbc5b4f50c79ffb0da2557 (patch)
treeaec6e881cdd825c39a084ce7aa16a87c045a4fae /gr-blocks/lib/unpacked_to_packed_XX_impl.cc.t
parentd7766c2c8d12bbfaf29b83cfea5ff95475b45d86 (diff)
parenta54dc5bab6cc38513e9732be9f5c2670145b160f (diff)
downloadgnuradio-7bb8c89e224e7b2c9ddbc5b4f50c79ffb0da2557.tar.gz
gnuradio-7bb8c89e224e7b2c9ddbc5b4f50c79ffb0da2557.tar.bz2
gnuradio-7bb8c89e224e7b2c9ddbc5b4f50c79ffb0da2557.zip
Merge branch 'master' of git://github.com/gnuradio/gnuradio into grmodtool
Diffstat (limited to 'gr-blocks/lib/unpacked_to_packed_XX_impl.cc.t')
-rw-r--r--gr-blocks/lib/unpacked_to_packed_XX_impl.cc.t143
1 files changed, 143 insertions, 0 deletions
diff --git a/gr-blocks/lib/unpacked_to_packed_XX_impl.cc.t b/gr-blocks/lib/unpacked_to_packed_XX_impl.cc.t
new file mode 100644
index 000000000..3a7428fd8
--- /dev/null
+++ b/gr-blocks/lib/unpacked_to_packed_XX_impl.cc.t
@@ -0,0 +1,143 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2006,2013 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_IMPL@.h"
+#include <gr_io_signature.h>
+#include <assert.h>
+
+namespace gr {
+ namespace blocks {
+
+ static const unsigned int BITS_PER_TYPE = sizeof(@O_TYPE@) * 8;
+
+ @NAME@::sptr
+ @NAME@::make(unsigned int bits_per_chunk,
+ gr_endianness_t endianness)
+ {
+ return gnuradio::get_initial_sptr
+ (new @NAME_IMPL@(bits_per_chunk, endianness));
+ }
+
+ @NAME_IMPL@::@NAME_IMPL@(unsigned int bits_per_chunk,
+ gr_endianness_t endianness)
+ : gr_block("@NAME@",
+ gr_make_io_signature(1, -1, sizeof(@I_TYPE@)),
+ gr_make_io_signature(1, -1, sizeof(@O_TYPE@))),
+ d_bits_per_chunk(bits_per_chunk), d_endianness(endianness), d_index(0)
+ {
+ assert(bits_per_chunk <= BITS_PER_TYPE);
+ assert(bits_per_chunk > 0);
+
+ set_relative_rate(bits_per_chunk/(1.0 * BITS_PER_TYPE));
+ }
+
+ @NAME_IMPL@::~@NAME_IMPL@()
+ {
+ }
+
+ void
+ @NAME_IMPL@::forecast(int noutput_items,
+ gr_vector_int &ninput_items_required)
+ {
+ int input_required = (int)ceil((d_index+noutput_items * 1.0 * BITS_PER_TYPE)
+ / d_bits_per_chunk);
+ unsigned ninputs = ninput_items_required.size();
+ for(unsigned int i = 0; i < ninputs; i++) {
+ ninput_items_required[i] = input_required;
+ }
+ }
+
+ unsigned int
+ get_bit_be1(const @I_TYPE@ *in_vector, unsigned int bit_addr,
+ unsigned int bits_per_chunk)
+ {
+ unsigned int byte_addr = (int)bit_addr/bits_per_chunk;
+ @I_TYPE@ x = in_vector[byte_addr];
+ unsigned int residue = bit_addr - byte_addr * bits_per_chunk;
+ //printf("Bit addr %d byte addr %d residue %d val %d\n",bit_addr,byte_addr,residue,(x>>(bits_per_chunk-1-residue))&1);
+ return (x >> (bits_per_chunk-1-residue)) & 1;
+ }
+
+ int
+ @NAME_IMPL@::general_work(int noutput_items,
+ gr_vector_int &ninput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ unsigned int index_tmp = d_index;
+
+ assert(input_items.size() == output_items.size());
+ int nstreams = input_items.size();
+
+ for(int m=0; m< nstreams; m++) {
+ const @I_TYPE@ *in = (@I_TYPE@ *)input_items[m];
+ @O_TYPE@ *out = (@O_TYPE@ *)output_items[m];
+ index_tmp=d_index;
+
+ // per stream processing
+
+ //assert((ninput_items[m]-d_index)*d_bits_per_chunk >= noutput_items*BITS_PER_TYPE);
+
+ switch(d_endianness) {
+
+ case GR_MSB_FIRST:
+ for(int i = 0; i < noutput_items; i++) {
+ @O_TYPE@ tmp=0;
+ for(unsigned int j = 0; j < BITS_PER_TYPE; j++) {
+ tmp = (tmp<<1) | get_bit_be1(in, index_tmp, d_bits_per_chunk);
+ index_tmp++;
+ }
+ out[i] = tmp;
+ }
+ break;
+
+ case GR_LSB_FIRST:
+ for(int i = 0; i < noutput_items; i++) {
+ unsigned long tmp=0;
+ for(unsigned int j = 0; j < BITS_PER_TYPE; j++) {
+ tmp = (tmp>>1) | (get_bit_be1(in, index_tmp, d_bits_per_chunk) << (BITS_PER_TYPE-1));
+ index_tmp++;
+ }
+ out[i] = tmp;
+ }
+ break;
+
+ default:
+ assert(0);
+ }
+ }
+
+ d_index = index_tmp;
+ consume_each((int)(d_index/d_bits_per_chunk));
+ d_index = d_index%d_bits_per_chunk;
+
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+} /* namespace gr */