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authorTom Rondeau <trondeau@vt.edu>2013-02-26 20:45:40 -0500
committerTom Rondeau <trondeau@vt.edu>2013-02-26 22:13:12 -0500
commita0d1c359697f6b6bdcecbc3e7c43c1b4ee2d5570 (patch)
treefbe3e2029080cd6f3b7b366c6388760fc0257547 /gr-blocks
parent71f1ee49ec4d444f51bdafa6922c1732a7e0d4bd (diff)
blocks: moving unpack_k_bits to gr-blocks.
Diffstat (limited to 'gr-blocks')
-rw-r--r--gr-blocks/grc/blocks_block_tree.xml4
-rw-r--r--gr-blocks/grc/blocks_unpack_k_bits_bb.xml25
-rw-r--r--gr-blocks/include/blocks/CMakeLists.txt1
-rw-r--r--gr-blocks/include/blocks/unpack_k_bits_bb.h52
-rw-r--r--gr-blocks/lib/CMakeLists.txt1
-rw-r--r--gr-blocks/lib/unpack_k_bits_bb_impl.cc77
-rw-r--r--gr-blocks/lib/unpack_k_bits_bb_impl.h48
-rwxr-xr-xgr-blocks/python/qa_unpack_k_bits.py57
-rw-r--r--gr-blocks/swig/blocks_swig.i3
9 files changed, 268 insertions, 0 deletions
diff --git a/gr-blocks/grc/blocks_block_tree.xml b/gr-blocks/grc/blocks_block_tree.xml
index 0077ec9484..826392cda9 100644
--- a/gr-blocks/grc/blocks_block_tree.xml
+++ b/gr-blocks/grc/blocks_block_tree.xml
@@ -105,6 +105,10 @@
<block>blocks_threshold_ff</block>
</cat>
<cat>
+ <name>Misc Conversions (New) </name>
+ <block>blocks_unpack_k_bits_bb</block>
+ </cat>
+ <cat>
<name>Misc (New) </name>
<block>blocks_throttle</block>
</cat>
diff --git a/gr-blocks/grc/blocks_unpack_k_bits_bb.xml b/gr-blocks/grc/blocks_unpack_k_bits_bb.xml
new file mode 100644
index 0000000000..90d7493af0
--- /dev/null
+++ b/gr-blocks/grc/blocks_unpack_k_bits_bb.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<!--
+###################################################
+##Unpack K Bits
+###################################################
+ -->
+<block>
+ <name>Unpack K Bits</name>
+ <key>blocks_unpack_k_bits_bb</key>
+ <import>from gnuradio import blocks</import>
+ <make>blocks.unpack_k_bits_bb($k)</make>
+ <param>
+ <name>K</name>
+ <key>k</key>
+ <type>int</type>
+ </param>
+ <sink>
+ <name>in</name>
+ <type>byte</type>
+ </sink>
+ <source>
+ <name>out</name>
+ <type>byte</type>
+ </source>
+</block>
diff --git a/gr-blocks/include/blocks/CMakeLists.txt b/gr-blocks/include/blocks/CMakeLists.txt
index d3c08f6e6d..0d9213b592 100644
--- a/gr-blocks/include/blocks/CMakeLists.txt
+++ b/gr-blocks/include/blocks/CMakeLists.txt
@@ -143,6 +143,7 @@ install(FILES
throttle.h
transcendental.h
uchar_to_float.h
+ unpack_k_bits_bb.h
vector_to_stream.h
vector_to_streams.h
DESTINATION ${GR_INCLUDE_DIR}/gnuradio/blocks
diff --git a/gr-blocks/include/blocks/unpack_k_bits_bb.h b/gr-blocks/include/blocks/unpack_k_bits_bb.h
new file mode 100644
index 0000000000..b716ded1d3
--- /dev/null
+++ b/gr-blocks/include/blocks/unpack_k_bits_bb.h
@@ -0,0 +1,52 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 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.
+ */
+
+#ifndef INCLUDED_GR_UNPACK_K_BITS_BB_H
+#define INCLUDED_GR_UNPACK_K_BITS_BB_H
+
+#include <blocks/api.h>
+#include <gr_sync_interpolator.h>
+
+namespace gr {
+ namespace blocks {
+
+ /*!
+ * \brief Converts a byte with k relevent bits to k output bytes with 1 bit in the LSB.
+ * \ingroup converter_blk
+ */
+ class BLOCKS_API unpack_k_bits_bb : virtual public gr_sync_interpolator
+ {
+ public:
+ // gr::blocks::unpack_k_bits_bb::sptr
+ typedef boost::shared_ptr<unpack_k_bits_bb> sptr;
+
+ /*!
+ * \brief Make an unpack_k_bits block.
+ * \param k number of bits to unpack.
+ */
+ static sptr make(unsigned k);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_UNPACK_K_BITS_BB_H */
diff --git a/gr-blocks/lib/CMakeLists.txt b/gr-blocks/lib/CMakeLists.txt
index 20e3ae4aa6..6466347347 100644
--- a/gr-blocks/lib/CMakeLists.txt
+++ b/gr-blocks/lib/CMakeLists.txt
@@ -183,6 +183,7 @@ list(APPEND gr_blocks_sources
transcendental_impl.cc
uchar_array_to_float.cc
uchar_to_float_impl.cc
+ unpack_k_bits_bb_impl.cc
vector_to_stream_impl.cc
vector_to_streams_impl.cc
)
diff --git a/gr-blocks/lib/unpack_k_bits_bb_impl.cc b/gr-blocks/lib/unpack_k_bits_bb_impl.cc
new file mode 100644
index 0000000000..367100be84
--- /dev/null
+++ b/gr-blocks/lib/unpack_k_bits_bb_impl.cc
@@ -0,0 +1,77 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2010,2013 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "unpack_k_bits_bb_impl.h"
+#include <gr_io_signature.h>
+#include <stdexcept>
+#include <iostream>
+
+namespace gr {
+ namespace blocks {
+
+ unpack_k_bits_bb::sptr
+ unpack_k_bits_bb::make(unsigned k)
+ {
+ return gnuradio::get_initial_sptr
+ (new unpack_k_bits_bb_impl(k));
+ }
+
+ unpack_k_bits_bb_impl::unpack_k_bits_bb_impl(unsigned k)
+ : gr_sync_interpolator("unpack_k_bits_bb",
+ gr_make_io_signature(1, 1, sizeof(unsigned char)),
+ gr_make_io_signature(1, 1, sizeof(unsigned char)),
+ k),
+ d_k(k)
+ {
+ if(d_k == 0)
+ throw std::out_of_range("interpolation must be > 0");
+ }
+
+ unpack_k_bits_bb_impl::~unpack_k_bits_bb_impl()
+ {
+ }
+
+ int
+ unpack_k_bits_bb_impl::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];
+ unsigned char *out = (unsigned char *)output_items[0];
+
+ int n = 0;
+ for(unsigned int i = 0; i < noutput_items/d_k; i++) {
+ unsigned int t = in[i];
+ for(int j = d_k - 1; j >= 0; j--)
+ out[n++] = (t >> j) & 0x01;
+ }
+
+ assert(n == noutput_items);
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+} /* namespace gr */
diff --git a/gr-blocks/lib/unpack_k_bits_bb_impl.h b/gr-blocks/lib/unpack_k_bits_bb_impl.h
new file mode 100644
index 0000000000..c72d16ebf8
--- /dev/null
+++ b/gr-blocks/lib/unpack_k_bits_bb_impl.h
@@ -0,0 +1,48 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 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.
+ */
+
+#ifndef INCLUDED_GR_UNPACK_K_BITS_BB_IMPL_H
+#define INCLUDED_GR_UNPACK_K_BITS_BB_IMPL_H
+
+#include <blocks/unpack_k_bits_bb.h>
+
+namespace gr {
+ namespace blocks {
+
+ class unpack_k_bits_bb_impl : public unpack_k_bits_bb
+ {
+ private:
+ unsigned d_k; // number of relevent bits to unpack into k output bytes
+
+ public:
+ unpack_k_bits_bb_impl(unsigned k);
+ ~unpack_k_bits_bb_impl();
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_UNPACK_K_BITS_BB_IMPL_H */
diff --git a/gr-blocks/python/qa_unpack_k_bits.py b/gr-blocks/python/qa_unpack_k_bits.py
new file mode 100755
index 0000000000..e038d5a03a
--- /dev/null
+++ b/gr-blocks/python/qa_unpack_k_bits.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+#
+# Copyright 2006,2010,2013 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.
+#
+
+from gnuradio import gr, gr_unittest
+import blocks_swig as blocks
+import random
+
+class test_unpack(gr_unittest.TestCase):
+
+ def setUp(self):
+ self.tb = gr.top_block ()
+
+ def tearDown(self):
+ self.tb = None
+
+ def test_001(self):
+ src_data = (1,0,1,1,0,1,1,0)
+ expected_results = (1,0,1,1,0,1,1,0)
+ src = gr.vector_source_b(src_data,False)
+ op = blocks.unpack_k_bits_bb(1)
+ dst = gr.vector_sink_b()
+ self.tb.connect(src, op, dst)
+ self.tb.run()
+ self.assertEqual(expected_results, dst.data())
+
+ def test_002(self):
+ src_data = ( 2, 3, 0, 1)
+ expected_results = (1,0,1,1,0,0,0,1)
+ src = gr.vector_source_b(src_data,False)
+ op = blocks.unpack_k_bits_bb(2)
+ dst = gr.vector_sink_b()
+ self.tb.connect(src, op, dst)
+ self.tb.run()
+ self.assertEqual(expected_results, dst.data())
+
+if __name__ == '__main__':
+ gr_unittest.run(test_unpack, "test_unpack.xml")
+
diff --git a/gr-blocks/swig/blocks_swig.i b/gr-blocks/swig/blocks_swig.i
index db8af34368..b4f7ba78ba 100644
--- a/gr-blocks/swig/blocks_swig.i
+++ b/gr-blocks/swig/blocks_swig.i
@@ -126,6 +126,7 @@
#include "blocks/throttle.h"
#include "blocks/transcendental.h"
#include "blocks/uchar_to_float.h"
+#include "blocks/unpack_k_bits_bb.h"
#include "blocks/unpacked_to_packed_bb.h"
#include "blocks/unpacked_to_packed_ss.h"
#include "blocks/unpacked_to_packed_ii.h"
@@ -232,6 +233,7 @@
%include "blocks/throttle.h"
%include "blocks/transcendental.h"
%include "blocks/uchar_to_float.h"
+%include "blocks/unpack_k_bits_bb.h"
%include "blocks/unpacked_to_packed_bb.h"
%include "blocks/unpacked_to_packed_ss.h"
%include "blocks/unpacked_to_packed_ii.h"
@@ -337,6 +339,7 @@ GR_SWIG_BLOCK_MAGIC2(blocks, threshold_ff);
GR_SWIG_BLOCK_MAGIC2(blocks, throttle);
GR_SWIG_BLOCK_MAGIC2(blocks, transcendental);
GR_SWIG_BLOCK_MAGIC2(blocks, uchar_to_float);
+GR_SWIG_BLOCK_MAGIC2(blocks, unpack_k_bits_bb);
GR_SWIG_BLOCK_MAGIC2(blocks, unpacked_to_packed_bb);
GR_SWIG_BLOCK_MAGIC2(blocks, unpacked_to_packed_ss);
GR_SWIG_BLOCK_MAGIC2(blocks, unpacked_to_packed_ii);
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-28 15:48:13 +0000