Squash/rebased martin/ofdm-master onto trial merge branch

Conflicts: gr-blocks/include/blocks/CMakeLists.txt
author: Martin Braun <martin.braun@kit.edu> 2013-03-15 02:12:20 -0700
committer: Tom Rondeau <trondeau@vt.edu> 2013-03-16 23:52:19 -0400
commit: 7fd15b67afa5abd20c0982bdd6bcb7191831bf73 (patch)
tree: 3bd525f2850e662a9ccfe0a6c286ff7c20ad57e3 /gr-blocks/python
parent: 34216336205ba3edc0bc308a8da9ad388f3d0774 (diff)
2 files changed, 238 insertions, 0 deletions
diff --git a/gr-blocks/python/qa_repack_bits_bb.py b/gr-blocks/python/qa_repack_bits_bb.py
new file mode 100755
index 0000000000..b0c6480ec4
--- /dev/null
+++ b/gr-blocks/python/qa_repack_bits_bb.py
@@ -0,0 +1,127 @@
+#!/usr/bin/env python
+#
+# Copyright 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.
+#
+
+import random
+from gnuradio import gr, gr_unittest
+from gruel import pmt
+import blocks_swig as blocks
+
+class qa_repack_bits_bb (gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_001_simple (self):
+        """ Very simple test, 2 bits -> 1 """
+        src_data = (0b11, 0b01, 0b10)
+        expected_data = (0b1, 0b1, 0b1, 0b0, 0b0, 0b1)
+        k = 2
+        l = 1
+        src = gr.vector_source_b(src_data, False, 1)
+        repack = blocks.repack_bits_bb(k, l)
+        sink = gr.vector_sink_b()
+        self.tb.connect(src, repack, sink)
+        self.tb.run ()
+        self.assertEqual(sink.data(), expected_data)
+
+    def test_002_three (self):
+        """ 8 -> 3 """
+        src_data = (0b11111101, 0b11111111, 0b11111111)
+        expected_data = (0b101,) + (0b111,) * 7
+        k = 8
+        l = 3
+        src = gr.vector_source_b(src_data, False, 1)
+        repack = blocks.repack_bits_bb(k, l)
+        sink = gr.vector_sink_b()
+        self.tb.connect(src, repack, sink)
+        self.tb.run ()
+        self.assertEqual(sink.data(), expected_data)
+
+    def test_003_lots_of_bytes (self):
+        """ Lots and lots of bytes, multiple packer stages """
+        src_data = tuple([random.randint(0, 255) for x in range(3*5*7*8 * 10)])
+        src = gr.vector_source_b(src_data, False, 1)
+        repack1 = blocks.repack_bits_bb(8, 3)
+        repack2 = blocks.repack_bits_bb(3, 5)
+        repack3 = blocks.repack_bits_bb(5, 7)
+        repack4 = blocks.repack_bits_bb(7, 8)
+        sink = gr.vector_sink_b()
+        self.tb.connect(src, repack1, repack2, repack3, repack4, sink)
+        self.tb.run ()
+        self.assertEqual(sink.data(), src_data)
+
+    def test_004_three_with_tags (self):
+        """ 8 -> 3 """
+        src_data = (0b11111101, 0b11111111)
+        expected_data = (0b101,) + (0b111,) * 4 + (0b001,)
+        k = 8
+        l = 3
+        tag_name = "len"
+        tag = gr.gr_tag_t()
+        tag.offset = 0
+        tag.key = pmt.pmt_string_to_symbol(tag_name)
+        tag.value = pmt.pmt_from_long(len(src_data))
+        src = gr.vector_source_b(src_data, False, 1, (tag,))
+        repack = blocks.repack_bits_bb(k, l, tag_name)
+        sink = gr.vector_sink_b()
+        self.tb.connect(src, repack, sink)
+        self.tb.run ()
+        self.assertEqual(sink.data(), expected_data)
+        try:
+            out_tag = sink.tags()[0]
+        except:
+            self.assertFail()
+        self.assertEqual(out_tag.offset, 0)
+        self.assertEqual(pmt.pmt_symbol_to_string(out_tag.key), tag_name)
+        self.assertEqual(pmt.pmt_to_long(out_tag.value), len(expected_data))
+
+    def test_005_three_with_tags_trailing (self):
+        """ 3 -> 8, trailing bits """
+        src_data = (0b101,) + (0b111,) * 4 + (0b001,)
+        expected_data = (0b11111101, 0b11111111)
+        k = 3
+        l = 8
+        tag_name = "len"
+        tag = gr.gr_tag_t()
+        tag.offset = 0
+        tag.key = pmt.pmt_string_to_symbol(tag_name)
+        tag.value = pmt.pmt_from_long(len(src_data))
+        src = gr.vector_source_b(src_data, False, 1, (tag,))
+        repack = blocks.repack_bits_bb(k, l, tag_name, True)
+        sink = gr.vector_sink_b()
+        self.tb.connect(src, repack, sink)
+        self.tb.run ()
+        self.assertEqual(sink.data(), expected_data)
+        try:
+            out_tag = sink.tags()[0]
+        except:
+            self.assertFail()
+        self.assertEqual(out_tag.offset, 0)
+        self.assertEqual(pmt.pmt_symbol_to_string(out_tag.key), tag_name)
+        self.assertEqual(pmt.pmt_to_long(out_tag.value), len(expected_data))
+
+if __name__ == '__main__':
+    gr_unittest.run(qa_repack_bits_bb, "qa_repack_bits_bb.xml")
+
diff --git a/gr-blocks/python/qa_tagged_stream_mux.py b/gr-blocks/python/qa_tagged_stream_mux.py
new file mode 100755
index 0000000000..501c111a67
--- /dev/null
+++ b/gr-blocks/python/qa_tagged_stream_mux.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+#
+# Copyright 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
+from gruel import pmt
+import blocks_swig as blocks
+import numpy
+
+def make_len_tags(tupl, key):
+    tags = []
+    tag = gr.gr_tag_t()
+    tag.key = pmt.pmt_string_to_symbol(key)
+    n_read = 0
+    for element in tupl:
+        tag.offset = n_read
+        n_read += len(element)
+        tag.value = pmt.to_pmt(len(element))
+        tags.append(tag)
+    return tags
+
+def make_len_tag(offset, key, value):
+    tag = gr.gr_tag_t()
+    tag.offset = offset
+    tag.key = pmt.pmt_string_to_symbol(key)
+    tag.value = pmt.to_pmt(value)
+    return tag
+
+
+class qa_tagged_stream_mux (gr_unittest.TestCase):
+
+    def setUp(self):
+        self.tb = gr.top_block()
+
+    def tearDown(self):
+        self.tb = None
+
+    def test_1(self):
+        datas = (
+            0, 1, 2,  5, 6,     10,          14, 15, 16,
+            3, 4,     7, 8, 9,  11, 12, 13,  17
+        )
+        expected = tuple(range(18))
+
+        tagname = "packet_length"
+        len_tags_0 = (
+            make_len_tag(0, tagname, 3),
+            make_len_tag(3, tagname, 2),
+            make_len_tag(5, tagname, 1),
+            make_len_tag(6, tagname, 3)
+        )
+        len_tags_1 = (
+            make_len_tag(0, tagname, 2),
+            make_len_tag(2, tagname, 3),
+            make_len_tag(5, tagname, 3),
+            make_len_tag(8, tagname, 1)
+        )
+        test_tag_0 = gr.gr_tag_t()
+        test_tag_0.key = pmt.pmt_string_to_symbol('spam')
+        test_tag_0.offset = 4 # On the second '1'
+        test_tag_0.value = pmt.to_pmt(42)
+        test_tag_1 = gr.gr_tag_t()
+        test_tag_1.key = pmt.pmt_string_to_symbol('eggs')
+        test_tag_1.offset = 3 # On the first '3' of the 2nd stream
+        test_tag_1.value = pmt.to_pmt(23)
+
+        src0 = gr.vector_source_b(datas[0:9], False, 1, len_tags_0 + (test_tag_0,))
+        src1 = gr.vector_source_b(datas[9:],  False, 1, len_tags_1 + (test_tag_1,))
+        tagged_stream_mux = blocks.tagged_stream_mux(gr.sizeof_char, tagname)
+        snk = gr.vector_sink_b()
+        self.tb.connect(src0, (tagged_stream_mux, 0))
+        self.tb.connect(src1, (tagged_stream_mux, 1))
+        self.tb.connect(tagged_stream_mux, snk)
+        self.tb.run()
+
+        self.assertEqual(expected, snk.data())
+
+        tags = [gr.tag_to_python(x) for x in snk.tags()]
+        tags = sorted([(x.offset, x.key, x.value) for x in tags])
+        tags_expected = [
+                (0, 'packet_length', 5),
+                (5, 'packet_length', 5),
+                (6, 'spam', 42),
+                (8, 'eggs', 23),
+                (10, 'packet_length', 4),
+                (14, 'packet_length', 4)
+        ]
+        self.assertEqual(tags, tags_expected)
+
+
+if __name__ == '__main__':
+    gr_unittest.run(qa_tagged_stream_mux, "qa_tagged_stream_mux.xml")
+
author	Martin Braun <martin.braun@kit.edu>	2013-03-15 02:12:20 -0700
committer	Tom Rondeau <trondeau@vt.edu>	2013-03-16 23:52:19 -0400
commit	7fd15b67afa5abd20c0982bdd6bcb7191831bf73 (patch)
tree	3bd525f2850e662a9ccfe0a6c286ff7c20ad57e3 /gr-blocks/python
parent	34216336205ba3edc0bc308a8da9ad388f3d0774 (diff)