diff options
| author | Douglas Anderson <danderson@ntia.doc.gov> | 2017-02-12 15:52:19 -0800 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2017-02-26 18:21:22 -0800 |
| commit | 9e625c4821f4c63421b3d3747c0c4f358fef6c5f (patch) | |
| tree | 41dedbe053417be7314cdce15d64fbbb89db4d8d /gr-analog/python | |
| parent | e5aabcc6a4a9335f3ef8abf5f89104b626e9364d (diff) | |
python3: update non-GRC components to use python2 or python3
Diffstat (limited to 'gr-analog/python')
31 files changed, 277 insertions, 217 deletions
diff --git a/gr-analog/python/analog/CMakeLists.txt b/gr-analog/python/analog/CMakeLists.txt index 1fed9d1890..ba3dfb5fc3 100644 --- a/gr-analog/python/analog/CMakeLists.txt +++ b/gr-analog/python/analog/CMakeLists.txt @@ -53,7 +53,7 @@ if(ENABLE_TESTING) file(GLOB py_qa_test_files "qa_*.py") foreach(py_qa_test_file ${py_qa_test_files}) get_filename_component(py_qa_test_name ${py_qa_test_file} NAME_WE) - GR_ADD_TEST(${py_qa_test_name} ${QA_PYTHON_EXECUTABLE} ${PYTHON_DASH_B} ${py_qa_test_file}) + GR_ADD_TEST(${py_qa_test_name} ${QA_PYTHON_EXECUTABLE} -B ${py_qa_test_file}) endforeach(py_qa_test_file) endif(ENABLE_TESTING) diff --git a/gr-analog/python/analog/__init__.py b/gr-analog/python/analog/__init__.py index 3c4a0ff624..79c19e1e3e 100644 --- a/gr-analog/python/analog/__init__.py +++ b/gr-analog/python/analog/__init__.py @@ -21,24 +21,26 @@ ''' Blocks and utilities for analog modulation and demodulation. ''' +from __future__ import absolute_import +from __future__ import unicode_literals # The presence of this file turns this directory into a Python package import os try: - from analog_swig import * + from .analog_swig import * except ImportError: dirname, filename = os.path.split(os.path.abspath(__file__)) __path__.append(os.path.join(dirname, "..", "..", "swig")) - from analog_swig import * + from .analog_swig import * -from am_demod import * -from fm_demod import * -from fm_emph import * -from nbfm_rx import * -from nbfm_tx import * -from standard_squelch import * -from wfm_rcv import * -from wfm_rcv_fmdet import * -from wfm_rcv_pll import * -from wfm_tx import * +from .am_demod import * +from .fm_demod import * +from .fm_emph import * +from .nbfm_rx import * +from .nbfm_tx import * +from .standard_squelch import * +from .wfm_rcv import * +from .wfm_rcv_fmdet import * +from .wfm_rcv_pll import * +from .wfm_tx import * diff --git a/gr-analog/python/analog/am_demod.py b/gr-analog/python/analog/am_demod.py index 3459e825f4..eeb8964f34 100644 --- a/gr-analog/python/analog/am_demod.py +++ b/gr-analog/python/analog/am_demod.py @@ -1,3 +1,4 @@ +from __future__ import unicode_literals # # Copyright 2006,2007,2012 Free Software Foundation, Inc. # @@ -39,22 +40,22 @@ class am_demod_cf(gr.hier_block2): audio_stop: audio low pass filter stop frequency (float) """ def __init__(self, channel_rate, audio_decim, audio_pass, audio_stop): - gr.hier_block2.__init__(self, "am_demod_cf", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Input signature + gr.hier_block2.__init__(self, "am_demod_cf", + gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Input signature - MAG = blocks.complex_to_mag() - DCR = blocks.add_const_ff(-1.0) + MAG = blocks.complex_to_mag() + DCR = blocks.add_const_ff(-1.0) - audio_taps = filter.optfir.low_pass(0.5, # Filter gain + audio_taps = filter.optfir.low_pass(0.5, # Filter gain channel_rate, # Sample rate audio_pass, # Audio passband audio_stop, # Audio stopband - 0.1, # Passband ripple - 60) # Stopband attenuation - LPF = filter.fir_filter_fff(audio_decim, audio_taps) + 0.1, # Passband ripple + 60) # Stopband attenuation + LPF = filter.fir_filter_fff(audio_decim, audio_taps) - self.connect(self, MAG, DCR, LPF, self) + self.connect(self, MAG, DCR, LPF, self) class demod_10k0a3e_cf(am_demod_cf): """ @@ -68,6 +69,6 @@ class demod_10k0a3e_cf(am_demod_cf): audio_decim: input to output decimation rate (integer) """ def __init__(self, channel_rate, audio_decim): - am_demod_cf.__init__(self, channel_rate, audio_decim, - 5000, # Audio passband - 5500) # Audio stopband + am_demod_cf.__init__(self, channel_rate, audio_decim, + 5000, # Audio passband + 5500) # Audio stopband diff --git a/gr-analog/python/analog/fm_demod.py b/gr-analog/python/analog/fm_demod.py index 4e3c01d194..1344db831c 100644 --- a/gr-analog/python/analog/fm_demod.py +++ b/gr-analog/python/analog/fm_demod.py @@ -19,14 +19,15 @@ # Boston, MA 02110-1301, USA. # +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + from gnuradio import gr, filter -from fm_emph import fm_deemph +from .fm_emph import fm_deemph from math import pi -try: - from gnuradio import analog -except ImportError: - import analog_swig as analog +from . import analog_swig as analog class fm_demod_cf(gr.hier_block2): @@ -54,7 +55,7 @@ class fm_demod_cf(gr.hier_block2): gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_float)) # Output signature - k = channel_rate/(2*pi*deviation) + k = channel_rate / (2*pi*deviation) QUAD = analog.quadrature_demod_cf(k) audio_taps = filter.optfir.low_pass( diff --git a/gr-analog/python/analog/fm_emph.py b/gr-analog/python/analog/fm_emph.py index bfa4742ace..a4a83bd217 100644 --- a/gr-analog/python/analog/fm_emph.py +++ b/gr-analog/python/analog/fm_emph.py @@ -19,6 +19,10 @@ # Boston, MA 02110-1301, USA. # +from __future__ import print_function +from __future__ import division +from __future__ import unicode_literals + from gnuradio import gr, filter import math import cmath @@ -132,8 +136,8 @@ class fm_deemph(gr.hier_block2): # Since H(s = 0) = 1.0, then H(z = 1) = 1.0 and has 0 dB gain at DC if 0: - print "btaps =", btaps - print "ataps =", ataps + print("btaps =", btaps) + print("ataps =", ataps) global plot1 plot1 = gru.gnuplot_freqz(gru.freqz(btaps, ataps), fs, True) @@ -149,11 +153,11 @@ class fm_deemph(gr.hier_block2): # o------+ +-----+--------o # | R1 | | # +----/\/\/\/--+ \ -# / + # / # \ R2 # / # \ -# | + # | # o--------------------------+--------o # # (This fine ASCII rendition is based on Figure 5-15 @@ -263,44 +267,43 @@ class fm_preemph(gr.hier_block2): gr.io_signature(1, 1, gr.sizeof_float), # Input signature gr.io_signature(1, 1, gr.sizeof_float)) # Output signature - # Set fh to something sensible, if needed. - # N.B. fh == fs/2.0 or fh == 0.0 results in a pole on the unit circle - # at z = -1.0 or z = 1.0 respectively. That makes the filter unstable - # and useless. - if fh <= 0.0 or fh >= fs/2.0: - fh = 0.925 * fs/2.0 + # Set fh to something sensible, if needed. + # N.B. fh == fs/2.0 or fh == 0.0 results in a pole on the unit circle + # at z = -1.0 or z = 1.0 respectively. That makes the filter unstable + # and useless. + if fh <= 0.0 or fh >= fs / 2.0: + fh = 0.925 * fs/2.0 - # Digital corner frequencies - w_cl = 1.0 / tau - w_ch = 2.0 * math.pi * fh + # Digital corner frequencies + w_cl = 1.0 / tau + w_ch = 2.0 * math.pi * fh - # Prewarped analog corner frequencies - w_cla = 2.0 * fs * math.tan(w_cl / (2.0 * fs)) - w_cha = 2.0 * fs * math.tan(w_ch / (2.0 * fs)) + # Prewarped analog corner frequencies + w_cla = 2.0 * fs * math.tan(w_cl / (2.0 * fs)) + w_cha = 2.0 * fs * math.tan(w_ch / (2.0 * fs)) - # Resulting digital pole, zero, and gain term from the bilinear - # transformation of H(s) = (s + w_cla) / (s + w_cha) to - # H(z) = b0 (1 - z1 z^-1)/(1 - p1 z^-1) - kl = -w_cla / (2.0 * fs) - kh = -w_cha / (2.0 * fs) - z1 = (1.0 + kl) / (1.0 - kl) - p1 = (1.0 + kh) / (1.0 - kh) - b0 = (1.0 - kl) / (1.0 - kh) + # Resulting digital pole, zero, and gain term from the bilinear + # transformation of H(s) = (s + w_cla) / (s + w_cha) to + # H(z) = b0 (1 - z1 z^-1)/(1 - p1 z^-1) + kl = -w_cla / (2.0 * fs) + kh = -w_cha / (2.0 * fs) + z1 = (1.0 + kl) / (1.0 - kl) + p1 = (1.0 + kh) / (1.0 - kh) + b0 = (1.0 - kl) / (1.0 - kh) - # Since H(s = infinity) = 1.0, then H(z = -1) = 1.0 and - # this filter has 0 dB gain at fs/2.0. - # That isn't what users are going to expect, so adjust with a - # gain, g, so that H(z = 1) = 1.0 for 0 dB gain at DC. - w_0dB = 2.0 * math.pi * 0.0 - g = abs(1.0 - p1 * cmath.rect(1.0, -w_0dB)) \ - / (b0 * abs(1.0 - z1 * cmath.rect(1.0, -w_0dB))) + # Since H(s = infinity) = 1.0, then H(z = -1) = 1.0 and + # this filter has 0 dB gain at fs/2.0. + # That isn't what users are going to expect, so adjust with a + # gain, g, so that H(z = 1) = 1.0 for 0 dB gain at DC. + w_0dB = 2.0 * math.pi * 0.0 + g = abs(1.0 - p1 * cmath.rect(1.0 / -w_0dB), (b0 * abs(1.0 - z1 * cmath.rect(1.0, -w_0dB)))) - btaps = [ g * b0 * 1.0, g * b0 * -z1 ] - ataps = [ 1.0, -p1 ] + btaps = [ g * b0 * 1.0, g * b0 * -z1 ] + ataps = [ 1.0, -p1 ] if 0: - print "btaps =", btaps - print "ataps =", ataps + print("btaps =", btaps) + print("ataps =", ataps) global plot2 plot2 = gru.gnuplot_freqz(gru.freqz(btaps, ataps), fs, True) diff --git a/gr-analog/python/analog/nbfm_rx.py b/gr-analog/python/analog/nbfm_rx.py index 38fbf803c8..3e8dcd5287 100644 --- a/gr-analog/python/analog/nbfm_rx.py +++ b/gr-analog/python/analog/nbfm_rx.py @@ -19,15 +19,19 @@ # Boston, MA 02110-1301, USA. # +from __future__ import print_function +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + import math + from gnuradio import gr from gnuradio import filter -from fm_emph import fm_deemph -try: - from gnuradio import analog -except ImportError: - import analog_swig as analog +from . import analog_swig as analog +from .fm_emph import fm_deemph + class nbfm_rx(gr.hier_block2): def __init__(self, audio_rate, quad_rate, tau=75e-6, max_dev=5e3): @@ -52,22 +56,22 @@ class nbfm_rx(gr.hier_block2): audio_filter """ - gr.hier_block2.__init__(self, "nbfm_rx", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature + gr.hier_block2.__init__(self, "nbfm_rx", + gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Output signature # FIXME audio_rate and quad_rate ought to be exact rationals self._audio_rate = audio_rate = int(audio_rate) self._quad_rate = quad_rate = int(quad_rate) if quad_rate % audio_rate != 0: - raise ValueError, "quad_rate is not an integer multiple of audio_rate" + raise ValueError("quad_rate is not an integer multiple of audio_rate") - squelch_threshold = 20 # dB + squelch_threshold = 20 # dB #self.squelch = analog.simple_squelch_cc(squelch_threshold, 0.001) # FM Demodulator input: complex; output: float - k = quad_rate/(2*math.pi*max_dev) + k = quad_rate / (2*math.pi*max_dev) self.quad_demod = analog.quadrature_demod_cf(k) # FM Deemphasis IIR filter @@ -81,7 +85,7 @@ class nbfm_rx(gr.hier_block2): 0.5e3, # Transition band filter.firdes.WIN_HAMMING) # filter type - print "len(audio_taps) =", len(audio_taps) + print("len(audio_taps) =", len(audio_taps)) # Decimating audio filter # input: float; output: float; taps: float @@ -90,5 +94,5 @@ class nbfm_rx(gr.hier_block2): self.connect(self, self.quad_demod, self.deemph, self.audio_filter, self) def set_max_deviation(self, max_dev): - k = self._quad_rate/(2*math.pi*max_dev) + k = self._quad_rate / (2*math.pi*max_dev) self.quad_demod.set_gain(k) diff --git a/gr-analog/python/analog/nbfm_tx.py b/gr-analog/python/analog/nbfm_tx.py index aa6c1eccc7..a7620451eb 100644 --- a/gr-analog/python/analog/nbfm_tx.py +++ b/gr-analog/python/analog/nbfm_tx.py @@ -19,14 +19,18 @@ # Boston, MA 02110-1301, USA. # +from __future__ import print_function +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + import math + from gnuradio import gr, filter -from fm_emph import fm_preemph +from .fm_emph import fm_preemph + +from . import analog_swig as analog -try: - from gnuradio import analog -except ImportError: - import analog_swig as analog class nbfm_tx(gr.hier_block2): def __init__(self, audio_rate, quad_rate, tau=75e-6, max_dev=5e3, fh=-1.0): @@ -46,16 +50,16 @@ class nbfm_tx(gr.hier_block2): quad_rate must be an integer multiple of audio_rate. """ - gr.hier_block2.__init__(self, "nbfm_tx", - gr.io_signature(1, 1, gr.sizeof_float), # Input signature - gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature + gr.hier_block2.__init__(self, "nbfm_tx", + gr.io_signature(1, 1, gr.sizeof_float), # Input signature + gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature # FIXME audio_rate and quad_rate ought to be exact rationals self._audio_rate = audio_rate = int(audio_rate) self._quad_rate = quad_rate = int(quad_rate) if quad_rate % audio_rate != 0: - raise ValueError, "quad_rate is not an integer multiple of audio_rate" + raise ValueError("quad_rate is not an integer multiple of audio_rate") do_interp = audio_rate != quad_rate @@ -66,10 +70,10 @@ class nbfm_tx(gr.hier_block2): quad_rate, # Fs 4500, # passband cutoff 7000, # stopband cutoff - 0.1, # passband ripple dB + 0.1, # passband ripple dB 40) # stopband atten dB - #print "len(interp_taps) =", len(interp_taps) + #print("len(interp_taps) =", len(interp_taps)) self.interpolator = filter.interp_fir_filter_fff (interp_factor, interp_taps) self.preemph = fm_preemph(quad_rate, tau=tau, fh=fh) @@ -90,10 +94,10 @@ class nbfm_tx(gr.hier_block2): class ctcss_gen_f(gr.hier_block2): def __init__(self, sample_rate, tone_freq): - gr.hier_block2.__init__(self, "ctcss_gen_f", - gr.io_signature(0, 0, 0), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature + gr.hier_block2.__init__(self, "ctcss_gen_f", + gr.io_signature(0, 0, 0), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Output signature self.plgen = analog.sig_source_f(sample_rate, analog.GR_SIN_WAVE, tone_freq, 0.1, 0.0) - self.connect(self.plgen, self) + self.connect(self.plgen, self) diff --git a/gr-analog/python/analog/qa_agc.py b/gr-analog/python/analog/qa_agc.py index 70c9ba578c..bac661f8b2 100755..100644 --- a/gr-analog/python/analog/qa_agc.py +++ b/gr-analog/python/analog/qa_agc.py @@ -20,6 +20,7 @@ # Boston, MA 02110-1301, USA. # + from gnuradio import gr, gr_unittest, analog, blocks class test_agc(gr_unittest.TestCase): @@ -33,10 +34,10 @@ class test_agc(gr_unittest.TestCase): def test_001_sets(self): agc = analog.agc_cc(1e-3, 1, 1) - agc.set_rate(1) - agc.set_reference(1.1) - agc.set_gain(1.1) - agc.set_max_gain(100) + agc.set_rate(1) + agc.set_reference(1.1) + agc.set_gain(1.1) + agc.set_max_gain(100) self.assertAlmostEqual(agc.rate(), 1) self.assertAlmostEqual(agc.reference(), 1.1) @@ -118,10 +119,10 @@ class test_agc(gr_unittest.TestCase): def test_002_sets(self): agc = analog.agc_ff(1e-3, 1, 1) - agc.set_rate(1) - agc.set_reference(1.1) - agc.set_gain(1.1) - agc.set_max_gain(100) + agc.set_rate(1) + agc.set_reference(1.1) + agc.set_gain(1.1) + agc.set_max_gain(100) self.assertAlmostEqual(agc.rate(), 1) self.assertAlmostEqual(agc.reference(), 1.1) @@ -203,11 +204,11 @@ class test_agc(gr_unittest.TestCase): def test_003_sets(self): agc = analog.agc2_cc(1e-3, 1e-1, 1, 1) - agc.set_attack_rate(1) - agc.set_decay_rate(2) - agc.set_reference(1.1) - agc.set_gain(1.1) - agc.set_max_gain(100) + agc.set_attack_rate(1) + agc.set_decay_rate(2) + agc.set_reference(1.1) + agc.set_gain(1.1) + agc.set_max_gain(100) self.assertAlmostEqual(agc.attack_rate(), 1) self.assertAlmostEqual(agc.decay_rate(), 2) @@ -290,11 +291,11 @@ class test_agc(gr_unittest.TestCase): def test_004_sets(self): agc = analog.agc2_ff(1e-3, 1e-1, 1, 1) - agc.set_attack_rate(1) - agc.set_decay_rate(2) - agc.set_reference(1.1) - agc.set_gain(1.1) - agc.set_max_gain(100) + agc.set_attack_rate(1) + agc.set_decay_rate(2) + agc.set_reference(1.1) + agc.set_gain(1.1) + agc.set_max_gain(100) self.assertAlmostEqual(agc.attack_rate(), 1) self.assertAlmostEqual(agc.decay_rate(), 2) @@ -450,10 +451,10 @@ class test_agc(gr_unittest.TestCase): def test_006_sets(self): agc = analog.agc3_cc(1e-3, 1e-1, 1) - agc.set_attack_rate(1) - agc.set_decay_rate(2) - agc.set_reference(1.1) - agc.set_gain(1.1) + agc.set_attack_rate(1) + agc.set_decay_rate(2) + agc.set_reference(1.1) + agc.set_gain(1.1) self.assertAlmostEqual(agc.attack_rate(), 1) self.assertAlmostEqual(agc.decay_rate(), 2) @@ -481,7 +482,7 @@ class test_agc(gr_unittest.TestCase): tb.run() dst_data = dst1.data() M = 100 - result = map(lambda x: abs(x), dst_data[N-M:]) + result = [abs(x) for x in dst_data[N-M:]] self.assertFloatTuplesAlmostEqual(result, M*[ref,], 4) def test_100(self): diff --git a/gr-analog/python/analog/qa_cpfsk.py b/gr-analog/python/analog/qa_cpfsk.py index be2e0a9b7e..ef8ea0cb3f 100755..100644 --- a/gr-analog/python/analog/qa_cpfsk.py +++ b/gr-analog/python/analog/qa_cpfsk.py @@ -20,6 +20,7 @@ # Boston, MA 02110-1301, USA. # + import math from gnuradio import gr, gr_unittest, analog, blocks @@ -50,7 +51,7 @@ class test_cpfsk_bc(gr_unittest.TestCase): def test_cpfsk_bc_002(self): src_data = 10*[0, 1] - expected_result = map(lambda x: complex(2*x-1,0), src_data) + expected_result = [complex(2*x-1,0) for x in src_data] src = blocks.vector_source_b(src_data) op = analog.cpfsk_bc(2, 1, 2) diff --git a/gr-analog/python/analog/qa_ctcss_squelch.py b/gr-analog/python/analog/qa_ctcss_squelch.py index 3be1e9de3b..f3db194f5d 100755..100644 --- a/gr-analog/python/analog/qa_ctcss_squelch.py +++ b/gr-analog/python/analog/qa_ctcss_squelch.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + from gnuradio import gr, gr_unittest, analog, blocks class test_ctcss_squelch(gr_unittest.TestCase): @@ -63,7 +65,7 @@ class test_ctcss_squelch(gr_unittest.TestCase): ramp = 1 gate = True - src_data = map(lambda x: float(x)/10.0, range(1, 40)) + src_data = [float(x) / 10.0 for x in range(1, 40)] expected_result = src_data expected_result[0] = 0 @@ -88,7 +90,7 @@ class test_ctcss_squelch(gr_unittest.TestCase): ramp = 1 gate = False - src_data = map(lambda x: float(x)/10.0, range(1, 40)) + src_data = [float(x) / 10.0 for x in range(1, 40)] src = blocks.vector_source_f(src_data) op = analog.ctcss_squelch_ff(rate, freq, level, length, ramp, gate) diff --git a/gr-analog/python/analog/qa_dpll.py b/gr-analog/python/analog/qa_dpll.py index 3ae8a3684b..2d215e3d9d 100755..100644 --- a/gr-analog/python/analog/qa_dpll.py +++ b/gr-analog/python/analog/qa_dpll.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + from gnuradio import gr, gr_unittest, analog, blocks class test_dpll_bb(gr_unittest.TestCase): @@ -42,7 +44,7 @@ class test_dpll_bb(gr_unittest.TestCase): self.assertAlmostEqual(g, 0.2) f = op.freq() - self.assertEqual(1/period, f) + self.assertEqual(1 / period, f) d0 = 1.0 - 0.5*f; d1 = op.decision_threshold() diff --git a/gr-analog/python/analog/qa_fastnoise.py b/gr-analog/python/analog/qa_fastnoise.py index 91e1cb87b7..e90fcfd96e 100644 --- a/gr-analog/python/analog/qa_fastnoise.py +++ b/gr-analog/python/analog/qa_fastnoise.py @@ -20,6 +20,7 @@ # Boston, MA 02110-1301, USA. # + from gnuradio import gr, gr_unittest, analog class test_fastnoise_source(gr_unittest.TestCase): diff --git a/gr-analog/python/analog/qa_fmdet.py b/gr-analog/python/analog/qa_fmdet.py index a9c88c3b95..77ad213411 100755..100644 --- a/gr-analog/python/analog/qa_fmdet.py +++ b/gr-analog/python/analog/qa_fmdet.py @@ -20,6 +20,7 @@ # Boston, MA 02110-1301, USA. # + from gnuradio import gr, gr_unittest, analog, blocks class test_fmdet_cf(gr_unittest.TestCase): diff --git a/gr-analog/python/analog/qa_frequency_modulator.py b/gr-analog/python/analog/qa_frequency_modulator.py index 0f5c45b11a..29282b0ea6 100755..100644 --- a/gr-analog/python/analog/qa_frequency_modulator.py +++ b/gr-analog/python/analog/qa_frequency_modulator.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import math from gnuradio import gr, gr_unittest, analog, blocks @@ -38,9 +40,9 @@ class test_frequency_modulator(gr_unittest.TestCase): def test_fm_001(self): pi = math.pi - sensitivity = pi/4 - src_data = (1.0/4, 1.0/2, 1.0/4, -1.0/4, -1.0/2, -1/4.0) - running_sum = (pi/16, 3*pi/16, pi/4, 3*pi/16, pi/16, 0) + sensitivity = pi / 4 + src_data = (1.0 / 4, 1.0 / 2, 1.0 / 4, -1.0 / 4, -1.0 / 2, -1 / 4.0) + running_sum = (pi / 16, 3*pi/16, pi / 4, 3*pi/16, pi / 16, 0) expected_result = tuple([sincos(x) for x in running_sum]) src = blocks.vector_source_f(src_data) op = analog.frequency_modulator_fc(sensitivity) diff --git a/gr-analog/python/analog/qa_noise.py b/gr-analog/python/analog/qa_noise.py index 5576773f23..cf2e9e607f 100755..100644 --- a/gr-analog/python/analog/qa_noise.py +++ b/gr-analog/python/analog/qa_noise.py @@ -20,6 +20,7 @@ # Boston, MA 02110-1301, USA. # + from gnuradio import gr, gr_unittest, analog class test_noise_source(gr_unittest.TestCase): diff --git a/gr-analog/python/analog/qa_phase_modulator.py b/gr-analog/python/analog/qa_phase_modulator.py index c6223e5cd4..7f7d57fa75 100755..100644 --- a/gr-analog/python/analog/qa_phase_modulator.py +++ b/gr-analog/python/analog/qa_phase_modulator.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import math from gnuradio import gr, gr_unittest, analog, blocks @@ -38,8 +40,8 @@ class test_phase_modulator(gr_unittest.TestCase): def test_fm_001(self): pi = math.pi - sensitivity = pi/4 - src_data = (1.0/4, 1.0/2, 1.0/4, -1.0/4, -1.0/2, -1/4.0) + sensitivity = pi / 4 + src_data = (1.0 / 4, 1.0 / 2, 1.0 / 4, -1.0 / 4, -1.0 / 2, -1 / 4.0) expected_result = tuple([sincos(sensitivity*x) for x in src_data]) src = blocks.vector_source_f(src_data) diff --git a/gr-analog/python/analog/qa_pll_carriertracking.py b/gr-analog/python/analog/qa_pll_carriertracking.py index 10ad414644..56bb14d2cb 100755..100644 --- a/gr-analog/python/analog/qa_pll_carriertracking.py +++ b/gr-analog/python/analog/qa_pll_carriertracking.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import math from gnuradio import gr, gr_unittest, analog, blocks @@ -137,7 +139,7 @@ class test_pll_carriertracking(gr_unittest.TestCase): sampling_freq = 10e3 freq = sampling_freq / 100 - loop_bw = math.pi/100.0 + loop_bw = math.pi / 100.0 maxf = 1 minf = -1 diff --git a/gr-analog/python/analog/qa_pll_freqdet.py b/gr-analog/python/analog/qa_pll_freqdet.py index c7a8aa8363..2006dd7360 100755..100644 --- a/gr-analog/python/analog/qa_pll_freqdet.py +++ b/gr-analog/python/analog/qa_pll_freqdet.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import math from gnuradio import gr, gr_unittest, analog, blocks @@ -137,7 +139,7 @@ class test_pll_freqdet(gr_unittest.TestCase): sampling_freq = 10e3 freq = sampling_freq / 100 - loop_bw = math.pi/100.0 + loop_bw = math.pi / 100.0 maxf = 1 minf = -1 @@ -153,7 +155,7 @@ class test_pll_freqdet(gr_unittest.TestCase): dst_data = dst.data() # convert it from normalized frequency to absolute frequency (Hz) - dst_data = [i*(sampling_freq/(2*math.pi)) for i in dst_data] + dst_data = [i*(sampling_freq / (2*math.pi)) for i in dst_data] self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 3) diff --git a/gr-analog/python/analog/qa_pll_refout.py b/gr-analog/python/analog/qa_pll_refout.py index 835b6a4522..ac1139cc03 100755..100644 --- a/gr-analog/python/analog/qa_pll_refout.py +++ b/gr-analog/python/analog/qa_pll_refout.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import math from gnuradio import gr, gr_unittest, analog, blocks @@ -137,7 +139,7 @@ class test_pll_refout(gr_unittest.TestCase): sampling_freq = 10e3 freq = sampling_freq / 100 - loop_bw = math.pi/100.0 + loop_bw = math.pi / 100.0 maxf = 1 minf = -1 diff --git a/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py b/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py index a52c0806e3..68652eb364 100755..100644 --- a/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py +++ b/gr-analog/python/analog/qa_probe_avg_mag_sqrd.py @@ -20,6 +20,7 @@ # Boston, MA 02110-1301, USA. # + import math from gnuradio import gr, gr_unittest, analog, blocks diff --git a/gr-analog/python/analog/qa_pwr_squelch.py b/gr-analog/python/analog/qa_pwr_squelch.py index 561ca79a7c..9f84a61402 100755..100644 --- a/gr-analog/python/analog/qa_pwr_squelch.py +++ b/gr-analog/python/analog/qa_pwr_squelch.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + from gnuradio import gr, gr_unittest, analog, blocks class test_pwr_squelch(gr_unittest.TestCase): @@ -61,7 +63,7 @@ class test_pwr_squelch(gr_unittest.TestCase): alpha = 0.0001 thr = -25 - src_data = map(lambda x: float(x)/10.0, range(1, 40)) + src_data = [float(x) / 10.0 for x in range(1, 40)] src = blocks.vector_source_c(src_data) op = analog.pwr_squelch_cc(thr, alpha) dst = blocks.vector_sink_c() @@ -107,7 +109,7 @@ class test_pwr_squelch(gr_unittest.TestCase): alpha = 0.0001 thr = -25 - src_data = map(lambda x: float(x)/10.0, range(1, 40)) + src_data = [float(x) / 10.0 for x in range(1, 40)] src = blocks.vector_source_f(src_data) op = analog.pwr_squelch_ff(thr, alpha) dst = blocks.vector_sink_f() diff --git a/gr-analog/python/analog/qa_quadrature_demod.py b/gr-analog/python/analog/qa_quadrature_demod.py index 08f3f4600e..e3a513b9ab 100755..100644 --- a/gr-analog/python/analog/qa_quadrature_demod.py +++ b/gr-analog/python/analog/qa_quadrature_demod.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import cmath from gnuradio import gr, gr_unittest, analog, blocks @@ -37,13 +39,13 @@ class test_quadrature_demod(gr_unittest.TestCase): fs = 8000.0 src_data = [] - for i in xrange(200): - ti = i/fs + for i in range(200): + ti = i / fs src_data.append(cmath.exp(2j*cmath.pi*f*ti)) # f/fs is a quarter turn per sample. # Set the gain based on this to get 1 out. - gain = 1.0/(cmath.pi/4) + gain = 1.0 / (cmath.pi / 4) expected_result = [0,] + 199*[1.0] diff --git a/gr-analog/python/analog/qa_rail_ff.py b/gr-analog/python/analog/qa_rail_ff.py index e3990dfd3a..93cde00a97 100755..100644 --- a/gr-analog/python/analog/qa_rail_ff.py +++ b/gr-analog/python/analog/qa_rail_ff.py @@ -20,6 +20,7 @@ # Boston, MA 02110-1301, USA. # + from gnuradio import gr, gr_unittest, analog, blocks def clip(x, lo, hi): @@ -60,7 +61,7 @@ class test_rail(gr_unittest.TestCase): lo = -0.75 hi = 0.90 src_data = [-2, -1, -0.5, -0.25, 0, 0.25, 0.5, 1, 2] - expected_result = map(lambda x: clip(x, lo, hi), src_data) + expected_result = [clip(x, lo, hi) for x in src_data] src = blocks.vector_source_f(src_data) op = analog.rail_ff(lo, hi) diff --git a/gr-analog/python/analog/qa_random_uniform_source.py b/gr-analog/python/analog/qa_random_uniform_source.py index 474c5716c7..d02ea7ea87 100755..100644 --- a/gr-analog/python/analog/qa_random_uniform_source.py +++ b/gr-analog/python/analog/qa_random_uniform_source.py @@ -21,6 +21,7 @@ # Boston, MA 02110-1301, USA. # + from gnuradio import gr, gr_unittest from gnuradio import blocks, analog import numpy as np diff --git a/gr-analog/python/analog/qa_sig_source.py b/gr-analog/python/analog/qa_sig_source.py index 8d050fa72b..a38db29280 100755..100644 --- a/gr-analog/python/analog/qa_sig_source.py +++ b/gr-analog/python/analog/qa_sig_source.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + import math import pmt from gnuradio import gr, gr_unittest, analog, blocks diff --git a/gr-analog/python/analog/qa_simple_squelch.py b/gr-analog/python/analog/qa_simple_squelch.py index b09a3b2a87..a0b09e7198 100755..100644 --- a/gr-analog/python/analog/qa_simple_squelch.py +++ b/gr-analog/python/analog/qa_simple_squelch.py @@ -20,6 +20,8 @@ # Boston, MA 02110-1301, USA. # +from __future__ import division + from gnuradio import gr, gr_unittest, analog, blocks class test_simple_squelch(gr_unittest.TestCase): @@ -48,7 +50,7 @@ class test_simple_squelch(gr_unittest.TestCase): alpha = 0.0001 thr = -25 - src_data = map(lambda x: float(x)/10.0, range(1, 40)) + src_data = [float(x) / 10.0 for x in range(1, 40)] src = blocks.vector_source_c(src_data) op = analog.simple_squelch_cc(thr, alpha) dst = blocks.vector_sink_c() diff --git a/gr-analog/python/analog/standard_squelch.py b/gr-analog/python/analog/standard_squelch.py index 3ed9ebceaa..9609f2449e 100644 --- a/gr-analog/python/analog/standard_squelch.py +++ b/gr-analog/python/analog/standard_squelch.py @@ -1,3 +1,5 @@ +from __future__ import division +from __future__ import unicode_literals # # Copyright 2005,2007,2012 Free Software Foundation, Inc. # @@ -26,29 +28,29 @@ from gnuradio import filter class standard_squelch(gr.hier_block2): def __init__(self, audio_rate): - gr.hier_block2.__init__(self, "standard_squelch", - gr.io_signature(1, 1, gr.sizeof_float), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature + gr.hier_block2.__init__(self, "standard_squelch", + gr.io_signature(1, 1, gr.sizeof_float), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Output signature self.input_node = blocks.add_const_ff(0) # FIXME kludge self.low_iir = filter.iir_filter_ffd((0.0193,0,-0.0193),(1,1.9524,-0.9615)) self.low_square = blocks.multiply_ff() - self.low_smooth = filter.single_pole_iir_filter_ff(1/(0.01*audio_rate)) # 100ms time constant + self.low_smooth = filter.single_pole_iir_filter_ff(1 / (0.01*audio_rate)) # 100ms time constant self.hi_iir = filter.iir_filter_ffd((0.0193,0,-0.0193),(1,1.3597,-0.9615)) self.hi_square = blocks.multiply_ff() - self.hi_smooth = filter.single_pole_iir_filter_ff(1/(0.01*audio_rate)) + self.hi_smooth = filter.single_pole_iir_filter_ff(1 / (0.01*audio_rate)) self.sub = blocks.sub_ff(); self.add = blocks.add_ff(); self.gate = blocks.threshold_ff(0.3,0.43,0) - self.squelch_lpf = filter.single_pole_iir_filter_ff(1/(0.01*audio_rate)) + self.squelch_lpf = filter.single_pole_iir_filter_ff(1 / (0.01*audio_rate)) self.div = blocks.divide_ff() self.squelch_mult = blocks.multiply_ff() - self.connect(self, self.input_node) + self.connect(self, self.input_node) self.connect(self.input_node, (self.squelch_mult, 0)) self.connect(self.input_node,self.low_iir) @@ -66,7 +68,7 @@ class standard_squelch(gr.hier_block2): self.connect(self.sub, (self.div, 0)) self.connect(self.add, (self.div, 1)) self.connect(self.div, self.gate, self.squelch_lpf, (self.squelch_mult,1)) - self.connect(self.squelch_mult, self) + self.connect(self.squelch_mult, self) def set_threshold(self, threshold): self.gate.set_hi(threshold) @@ -75,4 +77,4 @@ class standard_squelch(gr.hier_block2): return self.gate.hi() def squelch_range(self): - return (0.0, 1.0, 1.0/100) + return (0.0, 1.0, 1.0 / 100) diff --git a/gr-analog/python/analog/wfm_rcv.py b/gr-analog/python/analog/wfm_rcv.py index d35d219275..c1f6dea339 100644 --- a/gr-analog/python/analog/wfm_rcv.py +++ b/gr-analog/python/analog/wfm_rcv.py @@ -19,14 +19,17 @@ # Boston, MA 02110-1301, USA. # -from gnuradio import gr, filter -from fm_emph import fm_deemph +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + import math -try: - from gnuradio import analog -except ImportError: - import analog_swig as analog +from gnuradio import gr, filter + +from . import analog_swig as analog +from .fm_emph import fm_deemph + class wfm_rcv(gr.hier_block2): def __init__ (self, quad_rate, audio_decimation): @@ -40,14 +43,14 @@ class wfm_rcv(gr.hier_block2): quad_rate: input sample rate of complex baseband input. (float) audio_decimation: how much to decimate quad_rate to get to audio. (integer) """ - gr.hier_block2.__init__(self, "wfm_rcv", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature + gr.hier_block2.__init__(self, "wfm_rcv", + gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature + gr.io_signature(1, 1, gr.sizeof_float)) # Output signature volume = 20. max_dev = 75e3 - fm_demod_gain = quad_rate/(2*math.pi*max_dev) + fm_demod_gain = quad_rate / (2*math.pi*max_dev) audio_rate = quad_rate / audio_decimation @@ -64,7 +67,7 @@ class wfm_rcv(gr.hier_block2): width_of_transition_band = audio_rate / 32 audio_coeffs = filter.firdes.low_pass(1.0, # gain quad_rate, # sampling rate - audio_rate/2 - width_of_transition_band, + audio_rate / 2 - width_of_transition_band, width_of_transition_band, filter.firdes.WIN_HAMMING) # input: float; output: float diff --git a/gr-analog/python/analog/wfm_rcv_fmdet.py b/gr-analog/python/analog/wfm_rcv_fmdet.py index b7cd1458fb..fe91465a3b 100644 --- a/gr-analog/python/analog/wfm_rcv_fmdet.py +++ b/gr-analog/python/analog/wfm_rcv_fmdet.py @@ -19,16 +19,19 @@ # Boston, MA 02110-1301, USA. # +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + +import math + from gnuradio import gr from gnuradio import blocks from gnuradio import filter -from fm_emph import fm_deemph -import math -try: - from gnuradio import analog -except ImportError: - import analog_swig as analog +from . import analog_swig as analog +from .fm_emph import fm_deemph + class wfm_rcv_fmdet(gr.hier_block2): def __init__ (self, demod_rate, audio_decimation): @@ -43,11 +46,11 @@ class wfm_rcv_fmdet(gr.hier_block2): demod_rate: input sample rate of complex baseband input. (float) audio_decimation: how much to decimate demod_rate to get to audio. (integer) """ - gr.hier_block2.__init__(self, "wfm_rcv_fmdet", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature(2, 2, gr.sizeof_float)) # Output signature - lowfreq = -125e3/demod_rate - highfreq = 125e3/demod_rate + gr.hier_block2.__init__(self, "wfm_rcv_fmdet", + gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature + gr.io_signature(2, 2, gr.sizeof_float)) # Output signature + lowfreq = -125e3 / demod_rate + highfreq = 125e3 / demod_rate audio_rate = demod_rate / audio_decimation # We assign to self so that outsiders can grab the demodulator @@ -98,8 +101,8 @@ class wfm_rcv_fmdet(gr.hier_block2): stereo_dsbsc_filter_coeffs = \ filter.firdes.complex_band_pass(20.0, demod_rate, - 38000-15000/2, - 38000+15000/2, + 38000-15000 / 2, + 38000+15000 / 2, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo dsbsc filter = ",len(stereo_dsbsc_filter_coeffs) @@ -127,12 +130,12 @@ class wfm_rcv_fmdet(gr.hier_block2): #print "stereo dsbsc filter ", stereo_dsbsc_filter_coeffs # construct overlap add filter system from coefficients for stereo carrier - self.rds_signal_filter = \ + self.rds_signal_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_rds_filter_coeffs) - self.rds_carrier_generator = blocks.multiply_cc(); - self.rds_signal_generator = blocks.multiply_cc(); - self_rds_signal_processor = blocks.null_sink(gr.sizeof_gr_complex); + self.rds_carrier_generator = blocks.multiply_cc(); + self.rds_signal_generator = blocks.multiply_cc(); + self_rds_signal_processor = blocks.null_sink(gr.sizeof_gr_complex); loop_bw = 2*math.pi/100.0 max_freq = -2.0*math.pi*18990/audio_rate; @@ -191,21 +194,21 @@ class wfm_rcv_fmdet(gr.hier_block2): #send it to negative side of a subtracter self.connect(self.LmR_real,(self.Make_Right,1)) - # Make rds carrier by taking the squared pilot tone and - # multiplying by pilot tone - self.connect(self.stereo_basebander,(self.rds_carrier_generator,0)) + # Make rds carrier by taking the squared pilot tone and + # multiplying by pilot tone + self.connect(self.stereo_basebander,(self.rds_carrier_generator,0)) self.connect(self.stereo_carrier_pll_recovery,(self.rds_carrier_generator,1)) - # take signal, filter off rds, send into mixer 0 channel - self.connect(self.fm_demod,self.rds_signal_filter,(self.rds_signal_generator,0)) + # take signal, filter off rds, send into mixer 0 channel + self.connect(self.fm_demod,self.rds_signal_filter,(self.rds_signal_generator,0)) # take rds_carrier_generator output and send into mixer 1 # channel - self.connect(self.rds_carrier_generator,(self.rds_signal_generator,1)) + self.connect(self.rds_carrier_generator,(self.rds_signal_generator,1)) - # send basebanded rds signal and send into "processor" - # which for now is a null sink - self.connect(self.rds_signal_generator,self_rds_signal_processor) + # send basebanded rds signal and send into "processor" + # which for now is a null sink + self.connect(self.rds_signal_generator,self_rds_signal_processor) if 1: diff --git a/gr-analog/python/analog/wfm_rcv_pll.py b/gr-analog/python/analog/wfm_rcv_pll.py index 282e2b14be..b6ca7fe7c2 100644 --- a/gr-analog/python/analog/wfm_rcv_pll.py +++ b/gr-analog/python/analog/wfm_rcv_pll.py @@ -19,16 +19,19 @@ # Boston, MA 02110-1301, USA. # +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + +import math + from gnuradio import gr from gnuradio import blocks from gnuradio import filter -from fm_emph import fm_deemph -import math -try: - from gnuradio import analog -except ImportError: - import analog_swig as analog +from . import analog_swig as analog +from .fm_emph import fm_deemph + class wfm_rcv_pll(gr.hier_block2): def __init__(self, demod_rate, audio_decimation): @@ -42,9 +45,9 @@ class wfm_rcv_pll(gr.hier_block2): demod_rate: input sample rate of complex baseband input. (float) audio_decimation: how much to decimate demod_rate to get to audio. (integer) """ - gr.hier_block2.__init__(self, "wfm_rcv_pll", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature(2, 2, gr.sizeof_float)) # Output signature + gr.hier_block2.__init__(self, "wfm_rcv_pll", + gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature + gr.io_signature(2, 2, gr.sizeof_float)) # Output signature bandwidth = 250e3 audio_rate = demod_rate / audio_decimation @@ -92,8 +95,8 @@ class wfm_rcv_pll(gr.hier_block2): stereo_dsbsc_filter_coeffs = \ filter.firdes.complex_band_pass(20.0, demod_rate, - 38000-15000/2, - 38000+15000/2, + 38000-15000 / 2, + 38000+15000 / 2, width_of_transition_band, filter.firdes.WIN_HAMMING) #print "len stereo dsbsc filter = ",len(stereo_dsbsc_filter_coeffs) @@ -120,12 +123,12 @@ class wfm_rcv_pll(gr.hier_block2): #print "stereo dsbsc filter ", stereo_dsbsc_filter_coeffs # construct overlap add filter system from coefficients for stereo carrier - self.rds_signal_filter = \ + self.rds_signal_filter = \ filter.fir_filter_fcc(audio_decimation, stereo_rds_filter_coeffs) - self.rds_carrier_generator = blocks.multiply_cc(); - self.rds_signal_generator = blocks.multiply_cc(); - self_rds_signal_processor = blocks.null_sink(gr.sizeof_gr_complex); + self.rds_carrier_generator = blocks.multiply_cc(); + self.rds_signal_generator = blocks.multiply_cc(); + self_rds_signal_processor = blocks.null_sink(gr.sizeof_gr_complex); loop_bw = 2*math.pi/100.0 max_freq = -2.0*math.pi*18990/audio_rate; @@ -169,15 +172,15 @@ class wfm_rcv_pll(gr.hier_block2): #take the same real part of the DSBSC baseband signal and send it to negative side of a subtracter self.connect(self.LmR_real,(self.Make_Right,1)) - # Make rds carrier by taking the squared pilot tone and multiplying by pilot tone - self.connect(self.stereo_basebander,(self.rds_carrier_generator,0)) + # Make rds carrier by taking the squared pilot tone and multiplying by pilot tone + self.connect(self.stereo_basebander,(self.rds_carrier_generator,0)) self.connect(self.stereo_carrier_pll_recovery,(self.rds_carrier_generator,1)) - # take signal, filter off rds, send into mixer 0 channel - self.connect(self.fm_demod,self.rds_signal_filter,(self.rds_signal_generator,0)) + # take signal, filter off rds, send into mixer 0 channel + self.connect(self.fm_demod,self.rds_signal_filter,(self.rds_signal_generator,0)) # take rds_carrier_generator output and send into mixer 1 channel - self.connect(self.rds_carrier_generator,(self.rds_signal_generator,1)) - # send basebanded rds signal and send into "processor" which for now is a null sink - self.connect(self.rds_signal_generator,self_rds_signal_processor) + self.connect(self.rds_carrier_generator,(self.rds_signal_generator,1)) + # send basebanded rds signal and send into "processor" which for now is a null sink + self.connect(self.rds_signal_generator,self_rds_signal_processor) if 1: diff --git a/gr-analog/python/analog/wfm_tx.py b/gr-analog/python/analog/wfm_tx.py index a1b589350d..9f49ca3ca2 100644 --- a/gr-analog/python/analog/wfm_tx.py +++ b/gr-analog/python/analog/wfm_tx.py @@ -19,15 +19,19 @@ # Boston, MA 02110-1301, USA. # +from __future__ import print_function +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + import math + from gnuradio import gr from gnuradio import filter -from fm_emph import fm_preemph -try: - from gnuradio import analog -except ImportError: - import analog_swig as analog +from . import analog_swig as analog +from .fm_emph import fm_preemph + class wfm_tx(gr.hier_block2): def __init__(self, audio_rate, quad_rate, tau=75e-6, max_dev=75e3, fh=-1.0): @@ -46,16 +50,16 @@ class wfm_tx(gr.hier_block2): quad_rate must be an integer multiple of audio_rate. """ - gr.hier_block2.__init__(self, "wfm_tx", - gr.io_signature(1, 1, gr.sizeof_float), # Input signature - gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature + gr.hier_block2.__init__(self, "wfm_tx", + gr.io_signature(1, 1, gr.sizeof_float), # Input signature + gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature # FIXME audio_rate and quad_rate ought to be exact rationals audio_rate = int(audio_rate) quad_rate = int(quad_rate) if quad_rate % audio_rate != 0: - raise ValueError, "quad_rate is not an integer multiple of audio_rate" + raise ValueError("quad_rate is not an integer multiple of audio_rate") do_interp = audio_rate != quad_rate @@ -66,10 +70,10 @@ class wfm_tx(gr.hier_block2): quad_rate, # Fs 16000, # passband cutoff 18000, # stopband cutoff - 0.1, # passband ripple dB + 0.1, # passband ripple dB 40) # stopband atten dB - print "len(interp_taps) =", len(interp_taps) + print("len(interp_taps) =", len(interp_taps)) self.interpolator = filter.interp_fir_filter_fff (interp_factor, interp_taps) self.preemph = fm_preemph(quad_rate, tau=tau, fh=fh) |