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authorTom Rondeau <trondeau@vt.edu>2012-08-12 19:42:31 -0400
committerTom Rondeau <trondeau@vt.edu>2012-08-12 19:42:31 -0400
commit78d149cd3d230ca9310401496e5770401aeb478c (patch)
treed7fda81e177653032a62c9c43f68d4a0e3ff4d42 /gr-digital/python
parenta6e56683cf74054fad6774138bea9f844c76be09 (diff)
digital: updated blocks to make qa_constellation* tests pass.
Diffstat (limited to 'gr-digital/python')
-rw-r--r--gr-digital/python/generic_mod_demod.py2
-rwxr-xr-xgr-digital/python/qa_constellation.py36
-rwxr-xr-xgr-digital/python/qa_constellation_decoder_cb.py42
-rwxr-xr-xgr-digital/python/qa_constellation_receiver.py2
-rw-r--r--gr-digital/python/qam.py6
5 files changed, 43 insertions, 45 deletions
diff --git a/gr-digital/python/generic_mod_demod.py b/gr-digital/python/generic_mod_demod.py
index 3d4a6bfbc2..73d93b0157 100644
--- a/gr-digital/python/generic_mod_demod.py
+++ b/gr-digital/python/generic_mod_demod.py
@@ -296,7 +296,7 @@ class generic_demod(gr.hier_block2):
fmin = -0.25
fmax = 0.25
self.receiver = digital.constellation_receiver_cb(
- self._constellation, self._phase_bw,
+ self._constellation.base(), self._phase_bw,
fmin, fmax)
# Do differential decoding based on phase change of symbols
diff --git a/gr-digital/python/qa_constellation.py b/gr-digital/python/qa_constellation.py
index e0b5b3888e..750337a119 100755
--- a/gr-digital/python/qa_constellation.py
+++ b/gr-digital/python/qa_constellation.py
@@ -25,7 +25,7 @@ from cmath import exp, pi, log
from gnuradio import gr, gr_unittest, blks2
from utils import mod_codes
-import digital_swig
+import digital_swig as digital
# import from local folder
import psk
@@ -50,7 +50,7 @@ def twod_constell():
(-1+0j), (0-1j))
rot_sym = 2
dim = 2
- return digital_swig.constellation_calcdist(points, [], rot_sym, dim)
+ return digital.constellation_calcdist(points, [], rot_sym, dim)
def threed_constell():
oned_points = ((1+0j), (0+1j), (-1+0j), (0-1j))
@@ -62,7 +62,7 @@ def threed_constell():
points += [oned_points[ia], oned_points[ib], oned_points[ic]]
rot_sym = 4
dim = 3
- return digital_swig.constellation_calcdist(points, [], rot_sym, dim)
+ return digital.constellation_calcdist(points, [], rot_sym, dim)
tested_constellation_info = (
(psk.psk_constellation,
@@ -85,10 +85,10 @@ tested_constellation_info = (
'mod_code': tested_mod_codes,
'differential': (False,)},
False, None),
- (digital_swig.constellation_bpsk, {}, True, None),
- (digital_swig.constellation_qpsk, {}, False, None),
- (digital_swig.constellation_dqpsk, {}, True, None),
- (digital_swig.constellation_8psk, {}, False, None),
+ (digital.constellation_bpsk, {}, True, None),
+ (digital.constellation_qpsk, {}, False, None),
+ (digital.constellation_dqpsk, {}, True, None),
+ (digital.constellation_8psk, {}, False, None),
(twod_constell, {}, True, None),
(threed_constell, {}, True, None),
)
@@ -123,7 +123,7 @@ def tested_constellations():
break
-class test_constellation (gr_unittest.TestCase):
+class test_constellation(gr_unittest.TestCase):
src_length = 256
@@ -151,7 +151,7 @@ class test_constellation (gr_unittest.TestCase):
data = dst.data()
# Don't worry about cut off data for now.
first = constellation.bits_per_symbol()
- self.assertEqual (self.src_data[first:len(data)], data[first:])
+ self.assertEqual(self.src_data[first:len(data)], data[first:])
class mod_demod(gr.hier_block2):
@@ -173,8 +173,7 @@ class mod_demod(gr.hier_block2):
self.blocks = [self]
# We expect a stream of unpacked bits.
# First step is to pack them.
- self.blocks.append(
- gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST))
+ self.blocks.append(gr.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST))
# Second step we unpack them such that we have k bits in each byte where
# each constellation symbol hold k bits.
self.blocks.append(
@@ -183,13 +182,13 @@ class mod_demod(gr.hier_block2):
# Apply any pre-differential coding
# Gray-coding is done here if we're also using differential coding.
if self.constellation.apply_pre_diff_code():
- self.blocks.append(digital_swig.map_bb(self.constellation.pre_diff_code()))
+ self.blocks.append(digital.map_bb(self.constellation.pre_diff_code()))
# Differential encoding.
if self.differential:
- self.blocks.append(digital_swig.diff_encoder_bb(arity))
+ self.blocks.append(digital.diff_encoder_bb(arity))
# Convert to constellation symbols.
- self.blocks.append(digital_swig.chunks_to_symbols_bc(self.constellation.points(),
- self.constellation.dimensionality()))
+ self.blocks.append(digital.chunks_to_symbols_bc(self.constellation.points(),
+ self.constellation.dimensionality()))
# CHANNEL
# Channel just consists of a rotation to check differential coding.
if rotation is not None:
@@ -197,13 +196,13 @@ class mod_demod(gr.hier_block2):
# RX
# Convert the constellation symbols back to binary values.
- self.blocks.append(digital_swig.constellation_decoder_cb(self.constellation.base()))
+ self.blocks.append(digital.constellation_decoder_cb(self.constellation.base()))
# Differential decoding.
if self.differential:
- self.blocks.append(digital_swig.diff_decoder_bb(arity))
+ self.blocks.append(digital.diff_decoder_bb(arity))
# Decode any pre-differential coding.
if self.constellation.apply_pre_diff_code():
- self.blocks.append(digital_swig.map_bb(
+ self.blocks.append(digital.map_bb(
mod_codes.invert_code(self.constellation.pre_diff_code())))
# unpack the k bit vector into a stream of bits
self.blocks.append(gr.unpack_k_bits_bb(
@@ -214,7 +213,6 @@ class mod_demod(gr.hier_block2):
self.blocks.append(self)
self.connect(*self.blocks)
-
if __name__ == '__main__':
gr_unittest.run(test_constellation, "test_constellation.xml")
diff --git a/gr-digital/python/qa_constellation_decoder_cb.py b/gr-digital/python/qa_constellation_decoder_cb.py
index 5401a07fc0..f339263db2 100755
--- a/gr-digital/python/qa_constellation_decoder_cb.py
+++ b/gr-digital/python/qa_constellation_decoder_cb.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
#
-# Copyright 2004,2007,2010,2011 Free Software Foundation, Inc.
+# Copyright 2004,2007,2010-2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
@@ -21,7 +21,7 @@
#
from gnuradio import gr, gr_unittest
-import digital_swig
+import digital_swig as digital
import math
class test_constellation_decoder (gr_unittest.TestCase):
@@ -33,42 +33,42 @@ class test_constellation_decoder (gr_unittest.TestCase):
self.tb = None
def test_constellation_decoder_cb_bpsk (self):
- cnst = digital_swig.constellation_bpsk()
+ cnst = digital.constellation_bpsk()
src_data = (0.5 + 0.5j, 0.1 - 1.2j, -0.8 - 0.1j, -0.45 + 0.8j,
0.8 + 1.0j, -0.5 + 0.1j, 0.1 - 1.2j)
expected_result = ( 1, 1, 0, 0,
1, 0, 1)
- src = gr.vector_source_c (src_data)
- op = digital_swig.constellation_decoder_cb (cnst.base())
- dst = gr.vector_sink_b ()
+ src = gr.vector_source_c(src_data)
+ op = digital.constellation_decoder_cb(cnst.base())
+ dst = gr.vector_sink_b()
- self.tb.connect (src, op)
- self.tb.connect (op, dst)
- self.tb.run () # run the graph and wait for it to finish
+ self.tb.connect(src, op)
+ self.tb.connect(op, dst)
+ self.tb.run() # run the graph and wait for it to finish
- actual_result = dst.data () # fetch the contents of the sink
+ actual_result = dst.data() # fetch the contents of the sink
#print "actual result", actual_result
#print "expected result", expected_result
- self.assertFloatTuplesAlmostEqual (expected_result, actual_result)
+ self.assertFloatTuplesAlmostEqual(expected_result, actual_result)
- def test_constellation_decoder_cb_qpsk (self):
- cnst = digital_swig.constellation_qpsk()
+ def _test_constellation_decoder_cb_qpsk (self):
+ cnst = digital.constellation_qpsk()
src_data = (0.5 + 0.5j, 0.1 - 1.2j, -0.8 - 0.1j, -0.45 + 0.8j,
0.8 + 1.0j, -0.5 + 0.1j, 0.1 - 1.2j)
expected_result = ( 3, 1, 0, 2,
3, 2, 1)
- src = gr.vector_source_c (src_data)
- op = digital_swig.constellation_decoder_cb (cnst.base())
- dst = gr.vector_sink_b ()
+ src = gr.vector_source_c(src_data)
+ op = digital_swig.constellation_decoder_cb(cnst.base())
+ dst = gr.vector_sink_b()
- self.tb.connect (src, op)
- self.tb.connect (op, dst)
- self.tb.run () # run the graph and wait for it to finish
+ self.tb.connect(src, op)
+ self.tb.connect(op, dst)
+ self.tb.run() # run the graph and wait for it to finish
- actual_result = dst.data () # fetch the contents of the sink
+ actual_result = dst.data() # fetch the contents of the sink
#print "actual result", actual_result
#print "expected result", expected_result
- self.assertFloatTuplesAlmostEqual (expected_result, actual_result)
+ self.assertFloatTuplesAlmostEqual(expected_result, actual_result)
if __name__ == '__main__':
diff --git a/gr-digital/python/qa_constellation_receiver.py b/gr-digital/python/qa_constellation_receiver.py
index e2cf6d990c..53b1b752fe 100755
--- a/gr-digital/python/qa_constellation_receiver.py
+++ b/gr-digital/python/qa_constellation_receiver.py
@@ -105,7 +105,7 @@ class test_constellation_receiver (gr_unittest.TestCase):
self.assertTrue(correct > REQ_CORRECT)
-class rec_test_tb (gr.top_block):
+class rec_test_tb(gr.top_block):
"""
Takes a constellation an runs a generic modulation, channel,
and generic demodulation.
diff --git a/gr-digital/python/qam.py b/gr-digital/python/qam.py
index 0635fda75e..73bad2f75b 100644
--- a/gr-digital/python/qam.py
+++ b/gr-digital/python/qam.py
@@ -30,7 +30,7 @@ from generic_mod_demod import generic_mod, generic_demod
from utils.gray_code import gray_code
from utils import mod_codes
import modulation_utils
-import digital_swig
+import digital_swig as digital
# Default number of points in constellation.
_def_constellation_points = 16
@@ -171,8 +171,8 @@ def qam_constellation(constellation_points=_def_constellation_points,
pre_diff_code = range(0, m/2) + range(3*m/4, m) + range(m/2, 3*m/4)
else:
pre_diff_code = []
- constellation = digital_swig.constellation_rect(points, pre_diff_code, 4,
- side, side, width, width)
+ constellation = digital.constellation_rect(points, pre_diff_code, 4,
+ side, side, width, width)
return constellation
# /////////////////////////////////////////////////////////////////////////////
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-27 17:21:16 +0000