diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2012-08-20 19:54:05 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2012-08-20 19:54:05 -0400 |
| commit | e7de8a7b826d5cbd9c9358d96ab44d115fa53524 (patch) | |
| tree | da66361fdfad62fbb62cb09cb0317f2351b2965c /gr-digital | |
| parent | a8f91e9cca303d13fa153e8995fe8d093e3217ab (diff) | |
digital: fixed up digital blocks to make examples work again.
Added GMSK loopback to test that block, too. Switched a couple over to qtgui instead of wx.
Diffstat (limited to 'gr-digital')
25 files changed, 1137 insertions, 624 deletions
diff --git a/gr-digital/examples/CMakeLists.txt b/gr-digital/examples/CMakeLists.txt index 63e1eba4e4..64c4641aa5 100644 --- a/gr-digital/examples/CMakeLists.txt +++ b/gr-digital/examples/CMakeLists.txt @@ -53,7 +53,6 @@ GR_PYTHON_INSTALL(PROGRAMS ofdm/benchmark_rx.py ofdm/benchmark_tx.py ofdm/gr_plot_ofdm.py - ofdm/ofdm_mod_demod_test.py ofdm/receive_path.py ofdm/transmit_path.py ofdm/tunnel.py diff --git a/gr-digital/examples/berawgn.py b/gr-digital/examples/berawgn.py index d58dfbaaeb..2d95a1345f 100755 --- a/gr-digital/examples/berawgn.py +++ b/gr-digital/examples/berawgn.py @@ -1,4 +1,25 @@ #!/usr/bin/env python +# +# Copyright 2012 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. +# + """ BER simulation for QPSK signals, compare to theoretical values. Change the N_BITS value to simulate more bits per Eb/N0 value, @@ -14,10 +35,20 @@ magnitude below what you chose for N_BITS. import math import numpy -from scipy.special import erfc -import pylab from gnuradio import gr, digital +try: + from scipy.special import erfc +except ImportError: + print "Error: could not import scipy (http://www.scipy.org/)" + sys.exit(1) + +try: + import pylab +except ImportError: + print "Error: could not import pylab (http://matplotlib.sourceforge.net/)" + sys.exit(1) + # Best to choose powers of 10 N_BITS = 1e7 RAND_SEED = 42 @@ -59,7 +90,7 @@ class BERAWGNSimu(gr.top_block): # Source is N_BITS bits, non-repeated data = map(int, numpy.random.randint(0, self.const.arity(), N_BITS/self.const.bits_per_symbol())) src = gr.vector_source_b(data, False) - mod = gr.chunks_to_symbols_bc((self.const.points()), 1) + mod = digital.chunks_to_symbols_bc((self.const.points()), 1) add = gr.add_vcc() noise = gr.noise_source_c(gr.GR_GAUSSIAN, self.EbN0_to_noise_voltage(EbN0), diff --git a/gr-digital/examples/demod/gfsk_loopback.grc b/gr-digital/examples/demod/gfsk_loopback.grc index 45cbcacb90..364314aa9a 100644 --- a/gr-digital/examples/demod/gfsk_loopback.grc +++ b/gr-digital/examples/demod/gfsk_loopback.grc @@ -1,6 +1,6 @@ <?xml version='1.0' encoding='ASCII'?> <flow_graph> - <timestamp>Mon Jul 16 21:24:33 2012</timestamp> + <timestamp>Mon Aug 20 19:52:22 2012</timestamp> <block> <key>options</key> <param> @@ -29,7 +29,7 @@ </param> <param> <key>generate_options</key> - <value>wx_gui</value> + <value>qt_gui</value> </param> <param> <key>category</key> @@ -61,6 +61,83 @@ </param> </block> <block> + <key>gr_throttle</key> + <param> + <key>id</key> + <value>gr_throttle_0_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>samples_per_second</key> + <value>samp_rate</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(413, 50)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>fm_sensitivity</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>1.0</value> + </param> + <param> + <key>_coordinate</key> + <value>(14, 273)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>sps</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>4</value> + </param> + <param> + <key>_coordinate</key> + <value>(15, 338)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> <key>gr_sig_source_x</key> <param> <key>id</key> @@ -104,30 +181,22 @@ </param> </block> <block> - <key>gr_throttle</key> + <key>variable</key> <param> <key>id</key> - <value>gr_throttle_0_0</value> + <value>samp_rate</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>type</key> - <value>float</value> - </param> - <param> - <key>samples_per_second</key> - <value>samp_rate</value> - </param> - <param> - <key>vlen</key> - <value>1</value> + <key>value</key> + <value>32000</value> </param> <param> <key>_coordinate</key> - <value>(413, 50)</value> + <value>(12, 76)</value> </param> <param> <key>_rotation</key> @@ -135,7 +204,7 @@ </param> </block> <block> - <key>variable_slider</key> + <key>variable_qtgui_range</key> <param> <key>id</key> <value>freq</value> @@ -146,43 +215,43 @@ </param> <param> <key>label</key> - <value>Frequency (Hz)</value> + <value></value> </param> <param> <key>value</key> <value>500</value> </param> <param> - <key>min</key> + <key>start</key> <value>0</value> </param> <param> - <key>max</key> - <value>samp_rate/2</value> + <key>stop</key> + <value>500</value> </param> <param> - <key>num_steps</key> - <value>100</value> + <key>step</key> + <value>1</value> </param> <param> - <key>style</key> - <value>wx.SL_HORIZONTAL</value> + <key>widget</key> + <value>counter_slider</value> </param> <param> - <key>converver</key> - <value>float_converter</value> + <key>orient</key> + <value>Qt.Horizontal</value> </param> <param> - <key>grid_pos</key> - <value></value> + <key>min_len</key> + <value>200</value> </param> <param> - <key>notebook</key> + <key>gui_hint</key> <value></value> </param> <param> <key>_coordinate</key> - <value>(12, 142)</value> + <value>(13, 152)</value> </param> <param> <key>_rotation</key> @@ -190,45 +259,42 @@ </param> </block> <block> - <key>variable</key> + <key>qtgui_time_sink_x</key> <param> <key>id</key> - <value>fm_sensitivity</value> + <value>qtgui_time_sink_x_1</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>value</key> - <value>1.0</value> + <key>type</key> + <value>float</value> </param> <param> - <key>_coordinate</key> - <value>(14, 273)</value> + <key>name</key> + <value>QT GUI Plot</value> </param> <param> - <key>_rotation</key> - <value>0</value> + <key>size</key> + <value>1024</value> </param> - </block> - <block> - <key>variable</key> <param> - <key>id</key> + <key>bw</key> <value>samp_rate</value> </param> <param> - <key>_enabled</key> - <value>True</value> + <key>nconnections</key> + <value>1</value> </param> <param> - <key>value</key> - <value>10000</value> + <key>gui_hint</key> + <value></value> </param> <param> <key>_coordinate</key> - <value>(12, 76)</value> + <value>(906, 122)</value> </param> <param> <key>_rotation</key> @@ -236,10 +302,10 @@ </param> </block> <block> - <key>blks2_packet_encoder</key> + <key>qtgui_time_sink_x</key> <param> <key>id</key> - <value>blks2_packet_encoder_0</value> + <value>qtgui_time_sink_x_1_0</value> </param> <param> <key>_enabled</key> @@ -250,28 +316,28 @@ <value>float</value> </param> <param> - <key>samples_per_symbol</key> - <value>sps</value> + <key>name</key> + <value>QT GUI Plot</value> </param> <param> - <key>bits_per_symbol</key> - <value>1</value> + <key>size</key> + <value>1024</value> </param> <param> - <key>access_code</key> - <value></value> + <key>bw</key> + <value>samp_rate</value> </param> <param> - <key>pad_for_usrp</key> - <value>True</value> + <key>nconnections</key> + <value>1</value> </param> <param> - <key>payload_length</key> - <value>0</value> + <key>gui_hint</key> + <value></value> </param> <param> <key>_coordinate</key> - <value>(237, 261)</value> + <value>(888, 386)</value> </param> <param> <key>_rotation</key> @@ -279,22 +345,38 @@ </param> </block> <block> - <key>variable</key> + <key>digital_gfsk_mod</key> <param> <key>id</key> - <value>sps</value> + <value>digital_gfsk_mod_0</value> </param> <param> <key>_enabled</key> - <value>True</value> + <value>False</value> </param> <param> - <key>value</key> - <value>4</value> + <key>samples_per_symbol</key> + <value>sps</value> + </param> + <param> + <key>sensitivity</key> + <value>fm_sensitivity</value> + </param> + <param> + <key>bt</key> + <value>0.35</value> + </param> + <param> + <key>verbose</key> + <value>False</value> + </param> + <param> + <key>log</key> + <value>False</value> </param> <param> <key>_coordinate</key> - <value>(15, 338)</value> + <value>(456, 277)</value> </param> <param> <key>_rotation</key> @@ -309,7 +391,7 @@ </param> <param> <key>_enabled</key> - <value>True</value> + <value>False</value> </param> <param> <key>samples_per_symbol</key> @@ -353,10 +435,10 @@ </param> </block> <block> - <key>blks2_packet_decoder</key> + <key>blks2_packet_encoder</key> <param> <key>id</key> - <value>blks2_packet_decoder_0</value> + <value>blks2_packet_encoder_0</value> </param> <param> <key>_enabled</key> @@ -367,55 +449,28 @@ <value>float</value> </param> <param> - <key>access_code</key> - <value></value> - </param> - <param> - <key>threshold</key> - <value>-1</value> - </param> - <param> - <key>_coordinate</key> - <value>(720, 130)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>digital_gfsk_mod</key> - <param> - <key>id</key> - <value>digital_gfsk_mod_0</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> <key>samples_per_symbol</key> <value>sps</value> </param> <param> - <key>sensitivity</key> - <value>fm_sensitivity</value> + <key>bits_per_symbol</key> + <value>1</value> </param> <param> - <key>bt</key> - <value>0.35</value> + <key>access_code</key> + <value></value> </param> <param> - <key>verbose</key> - <value>False</value> + <key>pad_for_usrp</key> + <value>True</value> </param> <param> - <key>log</key> - <value>False</value> + <key>payload_length</key> + <value>0</value> </param> <param> <key>_coordinate</key> - <value>(456, 277)</value> + <value>(237, 261)</value> </param> <param> <key>_rotation</key> @@ -423,74 +478,34 @@ </param> </block> <block> - <key>wxgui_scopesink2</key> + <key>digital_gmsk_mod</key> <param> <key>id</key> - <value>wxgui_scopesink2_0</value> + <value>digital_gmsk_mod_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>type</key> - <value>float</value> - </param> - <param> - <key>title</key> - <value>Packet Decode</value> - </param> - <param> - <key>samp_rate</key> - <value>samp_rate</value> - </param> - <param> - <key>v_scale</key> - <value>0</value> - </param> - <param> - <key>v_offset</key> - <value>0</value> + <key>samples_per_symbol</key> + <value>2</value> </param> <param> - <key>t_scale</key> - <value>1./freq</value> + <key>bt</key> + <value>0.35</value> </param> <param> - <key>ac_couple</key> + <key>verbose</key> <value>False</value> </param> <param> - <key>xy_mode</key> + <key>log</key> <value>False</value> </param> <param> - <key>num_inputs</key> - <value>1</value> - </param> - <param> - <key>win_size</key> - <value></value> - </param> - <param> - <key>grid_pos</key> - <value></value> - </param> - <param> - <key>notebook</key> - <value></value> - </param> - <param> - <key>trig_mode</key> - <value>gr.gr_TRIG_MODE_AUTO</value> - </param> - <param> - <key>y_axis_label</key> - <value>Counts</value> - </param> - <param> <key>_coordinate</key> - <value>(923, 106)</value> + <value>(342, 457)</value> </param> <param> <key>_rotation</key> @@ -521,10 +536,10 @@ </param> </block> <block> - <key>wxgui_scopesink2</key> + <key>blks2_packet_decoder</key> <param> <key>id</key> - <value>wxgui_scopesink2_1</value> + <value>blks2_packet_decoder_0</value> </param> <param> <key>_enabled</key> @@ -535,60 +550,63 @@ <value>float</value> </param> <param> - <key>title</key> - <value>GFSK Demod</value> + <key>access_code</key> + <value></value> </param> <param> - <key>samp_rate</key> - <value>samp_rate</value> + <key>threshold</key> + <value>-1</value> </param> <param> - <key>v_scale</key> - <value>0</value> + <key>_coordinate</key> + <value>(720, 130)</value> </param> <param> - <key>v_offset</key> + <key>_rotation</key> <value>0</value> </param> + </block> + <block> + <key>digital_gmsk_demod</key> <param> - <key>t_scale</key> - <value>0</value> + <key>id</key> + <value>digital_gmsk_demod_0</value> </param> <param> - <key>ac_couple</key> - <value>False</value> + <key>_enabled</key> + <value>True</value> </param> <param> - <key>xy_mode</key> - <value>False</value> + <key>samples_per_symbol</key> + <value>2</value> </param> <param> - <key>num_inputs</key> - <value>1</value> + <key>gain_mu</key> + <value>0.175</value> </param> <param> - <key>win_size</key> - <value></value> + <key>mu</key> + <value>0.5</value> </param> <param> - <key>grid_pos</key> - <value></value> + <key>omega_relative_limit</key> + <value>0.005</value> </param> <param> - <key>notebook</key> - <value></value> + <key>freq_error</key> + <value>0.0</value> </param> <param> - <key>trig_mode</key> - <value>gr.gr_TRIG_MODE_AUTO</value> + <key>verbose</key> + <value>False</value> </param> <param> - <key>y_axis_label</key> - <value>Counts</value> + <key>log</key> + <value>False</value> </param> <param> <key>_coordinate</key> - <value>(898, 378)</value> + <value>(622, 498)</value> </param> <param> <key>_rotation</key> @@ -596,14 +614,14 @@ </param> </block> <connection> - <source_block_id>digital_gfsk_mod_0</source_block_id> - <sink_block_id>digital_gfsk_demod_0</sink_block_id> + <source_block_id>gr_sig_source_x_0</source_block_id> + <sink_block_id>gr_throttle_0_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>gr_sig_source_x_0</source_block_id> - <sink_block_id>gr_throttle_0_0</sink_block_id> + <source_block_id>blks2_packet_encoder_0</source_block_id> + <sink_block_id>digital_gfsk_mod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> @@ -614,8 +632,8 @@ <sink_key>0</sink_key> </connection> <connection> - <source_block_id>blks2_packet_encoder_0</source_block_id> - <sink_block_id>digital_gfsk_mod_0</sink_block_id> + <source_block_id>digital_gfsk_mod_0</source_block_id> + <sink_block_id>gr_quadrature_demod_cf_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> @@ -627,19 +645,43 @@ </connection> <connection> <source_block_id>digital_gfsk_mod_0</source_block_id> - <sink_block_id>gr_quadrature_demod_cf_0</sink_block_id> + <sink_block_id>digital_gfsk_demod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blks2_packet_decoder_0</source_block_id> - <sink_block_id>wxgui_scopesink2_0</sink_block_id> + <sink_block_id>qtgui_time_sink_x_1</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>gr_quadrature_demod_cf_0</source_block_id> - <sink_block_id>wxgui_scopesink2_1</sink_block_id> + <sink_block_id>qtgui_time_sink_x_1_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>blks2_packet_encoder_0</source_block_id> + <sink_block_id>digital_gmsk_mod_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>digital_gmsk_mod_0</source_block_id> + <sink_block_id>digital_gmsk_demod_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>digital_gmsk_mod_0</source_block_id> + <sink_block_id>gr_quadrature_demod_cf_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>digital_gmsk_demod_0</source_block_id> + <sink_block_id>blks2_packet_decoder_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> diff --git a/gr-digital/examples/demod/gmsk_loopback.grc b/gr-digital/examples/demod/gmsk_loopback.grc new file mode 100644 index 0000000000..84912ac58b --- /dev/null +++ b/gr-digital/examples/demod/gmsk_loopback.grc @@ -0,0 +1,574 @@ +<?xml version='1.0' encoding='ASCII'?> +<flow_graph> + <timestamp>Mon Aug 20 19:53:13 2012</timestamp> + <block> + <key>options</key> + <param> + <key>id</key> + <value>gfsk_loopback</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>title</key> + <value></value> + </param> + <param> + <key>author</key> + <value></value> + </param> + <param> + <key>description</key> + <value></value> + </param> + <param> + <key>window_size</key> + <value>1280, 1024</value> + </param> + <param> + <key>generate_options</key> + <value>qt_gui</value> + </param> + <param> + <key>category</key> + <value>Custom</value> + </param> + <param> + <key>run_options</key> + <value>prompt</value> + </param> + <param> + <key>run</key> + <value>True</value> + </param> + <param> + <key>max_nouts</key> + <value>0</value> + </param> + <param> + <key>realtime_scheduling</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(10, 10)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_throttle</key> + <param> + <key>id</key> + <value>gr_throttle_0_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>samples_per_second</key> + <value>samp_rate</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(413, 50)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>fm_sensitivity</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>1.0</value> + </param> + <param> + <key>_coordinate</key> + <value>(14, 273)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>sps</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>4</value> + </param> + <param> + <key>_coordinate</key> + <value>(15, 338)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sig_source_x</key> + <param> + <key>id</key> + <value>gr_sig_source_x_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>samp_rate</key> + <value>samp_rate</value> + </param> + <param> + <key>waveform</key> + <value>gr.GR_COS_WAVE</value> + </param> + <param> + <key>freq</key> + <value>freq</value> + </param> + <param> + <key>amp</key> + <value>1</value> + </param> + <param> + <key>offset</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(215, 18)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>samp_rate</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>32000</value> + </param> + <param> + <key>_coordinate</key> + <value>(12, 76)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_qtgui_range</key> + <param> + <key>id</key> + <value>freq</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value></value> + </param> + <param> + <key>value</key> + <value>500</value> + </param> + <param> + <key>start</key> + <value>0</value> + </param> + <param> + <key>stop</key> + <value>500</value> + </param> + <param> + <key>step</key> + <value>1</value> + </param> + <param> + <key>widget</key> + <value>counter_slider</value> + </param> + <param> + <key>orient</key> + <value>Qt.Horizontal</value> + </param> + <param> + <key>min_len</key> + <value>200</value> + </param> + <param> + <key>gui_hint</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(13, 152)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>qtgui_time_sink_x</key> + <param> + <key>id</key> + <value>qtgui_time_sink_x_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>name</key> + <value>QT GUI Plot</value> + </param> + <param> + <key>size</key> + <value>1024</value> + </param> + <param> + <key>bw</key> + <value>samp_rate</value> + </param> + <param> + <key>nconnections</key> + <value>1</value> + </param> + <param> + <key>gui_hint</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(906, 122)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>qtgui_time_sink_x</key> + <param> + <key>id</key> + <value>qtgui_time_sink_x_1_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>name</key> + <value>QT GUI Plot</value> + </param> + <param> + <key>size</key> + <value>1024</value> + </param> + <param> + <key>bw</key> + <value>samp_rate</value> + </param> + <param> + <key>nconnections</key> + <value>1</value> + </param> + <param> + <key>gui_hint</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(888, 386)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>blks2_packet_encoder</key> + <param> + <key>id</key> + <value>blks2_packet_encoder_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>samples_per_symbol</key> + <value>sps</value> + </param> + <param> + <key>bits_per_symbol</key> + <value>1</value> + </param> + <param> + <key>access_code</key> + <value></value> + </param> + <param> + <key>pad_for_usrp</key> + <value>True</value> + </param> + <param> + <key>payload_length</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(237, 261)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_quadrature_demod_cf</key> + <param> + <key>id</key> + <value>gr_quadrature_demod_cf_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>gain</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(679, 402)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>blks2_packet_decoder</key> + <param> + <key>id</key> + <value>blks2_packet_decoder_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>access_code</key> + <value></value> + </param> + <param> + <key>threshold</key> + <value>-1</value> + </param> + <param> + <key>_coordinate</key> + <value>(720, 130)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>digital_gmsk_mod</key> + <param> + <key>id</key> + <value>digital_gmsk_mod_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>samples_per_symbol</key> + <value>2</value> + </param> + <param> + <key>bt</key> + <value>0.35</value> + </param> + <param> + <key>verbose</key> + <value>False</value> + </param> + <param> + <key>log</key> + <value>False</value> + </param> + <param> + <key>_coordinate</key> + <value>(446, 285)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>digital_gmsk_demod</key> + <param> + <key>id</key> + <value>digital_gmsk_demod_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>samples_per_symbol</key> + <value>2</value> + </param> + <param> + <key>gain_mu</key> + <value>0.175</value> + </param> + <param> + <key>mu</key> + <value>0.5</value> + </param> + <param> + <key>omega_relative_limit</key> + <value>0.005</value> + </param> + <param> + <key>freq_error</key> + <value>0.0</value> + </param> + <param> + <key>verbose</key> + <value>False</value> + </param> + <param> + <key>log</key> + <value>False</value> + </param> + <param> + <key>_coordinate</key> + <value>(666, 261)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <connection> + <source_block_id>gr_sig_source_x_0</source_block_id> + <sink_block_id>gr_throttle_0_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_throttle_0_0</source_block_id> + <sink_block_id>blks2_packet_encoder_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>blks2_packet_decoder_0</source_block_id> + <sink_block_id>qtgui_time_sink_x_1</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_quadrature_demod_cf_0</source_block_id> + <sink_block_id>qtgui_time_sink_x_1_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>blks2_packet_encoder_0</source_block_id> + <sink_block_id>digital_gmsk_mod_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>digital_gmsk_mod_0</source_block_id> + <sink_block_id>digital_gmsk_demod_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>digital_gmsk_mod_0</source_block_id> + <sink_block_id>gr_quadrature_demod_cf_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>digital_gmsk_demod_0</source_block_id> + <sink_block_id>blks2_packet_decoder_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> +</flow_graph> diff --git a/gr-digital/examples/demod/mpsk_demod.grc b/gr-digital/examples/demod/mpsk_demod.grc index f2d6f9a640..61391de545 100644 --- a/gr-digital/examples/demod/mpsk_demod.grc +++ b/gr-digital/examples/demod/mpsk_demod.grc @@ -1,6 +1,6 @@ <?xml version='1.0' encoding='ASCII'?> <flow_graph> - <timestamp>Mon Jul 16 20:55:43 2012</timestamp> + <timestamp>Mon Aug 20 19:51:38 2012</timestamp> <block> <key>options</key> <param> @@ -29,7 +29,7 @@ </param> <param> <key>generate_options</key> - <value>wx_gui</value> + <value>qt_gui</value> </param> <param> <key>category</key> @@ -84,45 +84,18 @@ </param> </block> <block> - <key>variable</key> - <param> - <key>id</key> - <value>samps_per_sym</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>value</key> - <value>4</value> - </param> - <param> - <key>_coordinate</key> - <value>(7, 89)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>variable_slider</key> + <key>random_source_x</key> <param> <key>id</key> - <value>noise</value> + <value>random_source_x_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>label</key> - <value>Noise</value> - </param> - <param> - <key>value</key> - <value>.1</value> + <key>type</key> + <value>byte</value> </param> <param> <key>min</key> @@ -130,31 +103,19 @@ </param> <param> <key>max</key> - <value>1</value> - </param> - <param> - <key>num_steps</key> - <value>100</value> - </param> - <param> - <key>style</key> - <value>wx.SL_HORIZONTAL</value> - </param> - <param> - <key>converver</key> - <value>float_converter</value> + <value>2**8</value> </param> <param> - <key>grid_pos</key> - <value></value> + <key>num_samps</key> + <value>10000</value> </param> <param> - <key>notebook</key> - <value></value> + <key>repeat</key> + <value>True</value> </param> <param> <key>_coordinate</key> - <value>(259, 353)</value> + <value>(161, 119)</value> </param> <param> <key>_rotation</key> @@ -162,54 +123,42 @@ </param> </block> <block> - <key>variable_slider</key> + <key>digital_dxpsk_mod</key> <param> <key>id</key> - <value>freq_off</value> + <value>digital_dxpsk_mod_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>label</key> - <value>Freq Offset</value> - </param> - <param> - <key>value</key> - <value>0</value> - </param> - <param> - <key>min</key> - <value>-.5</value> - </param> - <param> - <key>max</key> - <value>.5</value> + <key>type</key> + <value>dqpsk</value> </param> <param> - <key>num_steps</key> - <value>1000</value> + <key>samples_per_symbol</key> + <value>samps_per_sym</value> </param> <param> - <key>style</key> - <value>wx.SL_HORIZONTAL</value> + <key>excess_bw</key> + <value>0.35</value> </param> <param> - <key>converver</key> - <value>float_converter</value> + <key>mod_code</key> + <value>"gray"</value> </param> <param> - <key>grid_pos</key> - <value></value> + <key>verbose</key> + <value>False</value> </param> <param> - <key>notebook</key> - <value></value> + <key>log</key> + <value>False</value> </param> <param> <key>_coordinate</key> - <value>(126, 345)</value> + <value>(361, 119)</value> </param> <param> <key>_rotation</key> @@ -217,34 +166,22 @@ </param> </block> <block> - <key>notebook</key> + <key>variable</key> <param> <key>id</key> - <value>notebook</value> + <value>samps_per_sym</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>style</key> - <value>wx.NB_TOP</value> - </param> - <param> - <key>labels</key> - <value>['Constellation', 'Spectrum']</value> - </param> - <param> - <key>grid_pos</key> - <value></value> - </param> - <param> - <key>notebook</key> - <value></value> + <key>value</key> + <value>4</value> </param> <param> <key>_coordinate</key> - <value>(520, 407)</value> + <value>(12, 99)</value> </param> <param> <key>_rotation</key> @@ -252,90 +189,109 @@ </param> </block> <block> - <key>wxgui_fftsink2</key> + <key>variable_qtgui_range</key> <param> <key>id</key> - <value>wxgui_fftsink2_0</value> + <value>freq_off</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>type</key> - <value>complex</value> + <key>label</key> + <value>Freq. Offset</value> </param> <param> - <key>title</key> - <value>FFT Plot</value> + <key>value</key> + <value>0</value> </param> <param> - <key>samp_rate</key> - <value>samp_rate</value> + <key>start</key> + <value>-0.5</value> </param> <param> - <key>baseband_freq</key> - <value>0</value> + <key>stop</key> + <value>0.5</value> </param> <param> - <key>y_per_div</key> - <value>10</value> + <key>step</key> + <value>0.01</value> </param> <param> - <key>y_divs</key> - <value>10</value> + <key>widget</key> + <value>counter_slider</value> </param> <param> - <key>ref_level</key> - <value>50</value> + <key>orient</key> + <value>Qt.Horizontal</value> </param> <param> - <key>ref_scale</key> - <value>2.0</value> + <key>min_len</key> + <value>200</value> </param> <param> - <key>fft_size</key> - <value>1024</value> + <key>gui_hint</key> + <value></value> </param> <param> - <key>fft_rate</key> - <value>30</value> + <key>_coordinate</key> + <value>(17, 260)</value> </param> <param> - <key>peak_hold</key> - <value>False</value> + <key>_rotation</key> + <value>0</value> </param> + </block> + <block> + <key>variable_qtgui_range</key> <param> - <key>average</key> - <value>False</value> + <key>id</key> + <value>noise</value> </param> <param> - <key>avg_alpha</key> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>Noise</value> + </param> + <param> + <key>value</key> + <value>0.1</value> + </param> + <param> + <key>start</key> <value>0</value> </param> <param> - <key>win</key> - <value>None</value> + <key>stop</key> + <value>1</value> </param> <param> - <key>win_size</key> - <value></value> + <key>step</key> + <value>0.01</value> </param> <param> - <key>grid_pos</key> - <value></value> + <key>widget</key> + <value>counter_slider</value> + </param> + <param> + <key>orient</key> + <value>Qt.Horizontal</value> </param> <param> - <key>notebook</key> - <value>notebook, 1</value> + <key>min_len</key> + <value>200</value> </param> <param> - <key>freqvar</key> - <value>None</value> + <key>gui_hint</key> + <value></value> </param> <param> <key>_coordinate</key> - <value>(847, 10)</value> + <value>(146, 262)</value> </param> <param> <key>_rotation</key> @@ -343,38 +299,46 @@ </param> </block> <block> - <key>random_source_x</key> + <key>qtgui_tab_widget</key> <param> <key>id</key> - <value>random_source_x_0</value> + <value>notebook</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>type</key> - <value>byte</value> + <key>num_tabs</key> + <value>2</value> </param> <param> - <key>min</key> - <value>0</value> + <key>label0</key> + <value>Constellation</value> </param> <param> - <key>max</key> - <value>2**8</value> + <key>label1</key> + <value>Spectrum</value> </param> <param> - <key>num_samps</key> - <value>10000</value> + <key>label2</key> + <value>Tab 2</value> </param> <param> - <key>repeat</key> - <value>True</value> + <key>label3</key> + <value>Tab 3</value> + </param> + <param> + <key>label4</key> + <value>Tab 4</value> + </param> + <param> + <key>gui_hint</key> + <value></value> </param> <param> <key>_coordinate</key> - <value>(161, 119)</value> + <value>(21, 394)</value> </param> <param> <key>_rotation</key> @@ -382,42 +346,38 @@ </param> </block> <block> - <key>digital_dxpsk_mod</key> + <key>channel_model</key> <param> <key>id</key> - <value>digital_dxpsk_mod_0</value> + <value>channel_model_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>type</key> - <value>dqpsk</value> - </param> - <param> - <key>samples_per_symbol</key> - <value>samps_per_sym</value> + <key>noise_voltage</key> + <value>noise</value> </param> <param> - <key>excess_bw</key> - <value>0.35</value> + <key>freq_offset</key> + <value>freq_off</value> </param> <param> - <key>mod_code</key> - <value>"gray"</value> + <key>epsilon</key> + <value>1.0</value> </param> <param> - <key>verbose</key> - <value>False</value> + <key>taps</key> + <value>1.0</value> </param> <param> - <key>log</key> - <value>False</value> + <key>seed</key> + <value>0</value> </param> <param> <key>_coordinate</key> - <value>(361, 119)</value> + <value>(369, 264)</value> </param> <param> <key>_rotation</key> @@ -448,7 +408,7 @@ </param> <param> <key>_coordinate</key> - <value>(633, 82)</value> + <value>(597, 142)</value> </param> <param> <key>_rotation</key> @@ -456,38 +416,38 @@ </param> </block> <block> - <key>channel_model</key> + <key>qtgui_const_sink_x</key> <param> <key>id</key> - <value>channel_model_0</value> + <value>qtgui_const_sink_x_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>noise_voltage</key> - <value>noise</value> + <key>type</key> + <value>complex</value> </param> <param> - <key>freq_offset</key> - <value>freq_off</value> + <key>name</key> + <value>QT GUI Plot</value> </param> <param> - <key>epsilon</key> - <value>1.0</value> + <key>size</key> + <value>1024</value> </param> <param> - <key>taps</key> - <value>1.0</value> + <key>nconnections</key> + <value>1</value> </param> <param> - <key>seed</key> - <value>0</value> + <key>gui_hint</key> + <value>notebook@0</value> </param> <param> <key>_coordinate</key> - <value>(497, 270)</value> + <value>(810, 184)</value> </param> <param> <key>_rotation</key> @@ -495,78 +455,54 @@ </param> </block> <block> - <key>wxgui_constellationsink2</key> + <key>qtgui_freq_sink_x</key> <param> <key>id</key> - <value>wxgui_constellationsink2_0</value> + <value>qtgui_freq_sink_x_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>title</key> - <value>Constellation Plot</value> - </param> - <param> - <key>samp_rate</key> - <value>samp_rate</value> + <key>type</key> + <value>complex</value> </param> <param> - <key>frame_rate</key> - <value>5</value> + <key>name</key> + <value>QT GUI Plot</value> </param> <param> - <key>const_size</key> - <value>2048</value> + <key>fftsize</key> + <value>1024</value> </param> <param> - <key>M</key> - <value>4</value> + <key>wintype</key> + <value>firdes.WIN_BLACKMAN_hARRIS</value> </param> <param> - <key>theta</key> + <key>fc</key> <value>0</value> </param> <param> - <key>loop_bw</key> - <value>6.28/100.0</value> - </param> - <param> - <key>fmax</key> - <value>0.06</value> - </param> - <param> - <key>mu</key> - <value>0.5</value> - </param> - <param> - <key>gain_mu</key> - <value>0.005</value> - </param> - <param> - <key>symbol_rate</key> - <value>samp_rate/4.</value> - </param> - <param> - <key>omega_limit</key> - <value>0.005</value> + <key>bw</key> + <value>samp_rate</value> </param> <param> - <key>win_size</key> - <value></value> + <key>rate</key> + <value>10</value> </param> <param> - <key>grid_pos</key> - <value></value> + <key>nconnections</key> + <value>1</value> </param> <param> - <key>notebook</key> - <value>notebook, 0</value> + <key>gui_hint</key> + <value>notebook@1</value> </param> <param> <key>_coordinate</key> - <value>(824, 212)</value> + <value>(810, 65)</value> </param> <param> <key>_rotation</key> @@ -574,32 +510,32 @@ </param> </block> <connection> - <source_block_id>gr_throttle_0</source_block_id> - <sink_block_id>wxgui_constellationsink2_0</sink_block_id> + <source_block_id>random_source_x_0</source_block_id> + <sink_block_id>digital_dxpsk_mod_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>gr_throttle_0</source_block_id> - <sink_block_id>wxgui_fftsink2_0</sink_block_id> + <source_block_id>digital_dxpsk_mod_0</source_block_id> + <sink_block_id>channel_model_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>random_source_x_0</source_block_id> - <sink_block_id>digital_dxpsk_mod_0</sink_block_id> + <source_block_id>channel_model_0</source_block_id> + <sink_block_id>gr_throttle_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>digital_dxpsk_mod_0</source_block_id> - <sink_block_id>channel_model_0</sink_block_id> + <source_block_id>gr_throttle_0</source_block_id> + <sink_block_id>qtgui_freq_sink_x_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>channel_model_0</source_block_id> - <sink_block_id>gr_throttle_0</sink_block_id> + <source_block_id>gr_throttle_0</source_block_id> + <sink_block_id>qtgui_const_sink_x_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> diff --git a/gr-digital/examples/example_costas.py b/gr-digital/examples/example_costas.py index 30dde60503..afb9657798 100755 --- a/gr-digital/examples/example_costas.py +++ b/gr-digital/examples/example_costas.py @@ -1,4 +1,24 @@ #!/usr/bin/env python +# +# Copyright 2011,2012 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, digital, filter from gnuradio import eng_notation diff --git a/gr-digital/examples/example_fll.py b/gr-digital/examples/example_fll.py index 93535f4175..bcd2ee032b 100755 --- a/gr-digital/examples/example_fll.py +++ b/gr-digital/examples/example_fll.py @@ -1,4 +1,24 @@ #!/usr/bin/env python +# +# Copyright 2011,2012 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, digital, filter from gnuradio import eng_notation diff --git a/gr-digital/examples/example_timing.py b/gr-digital/examples/example_timing.py index 2b636b4e45..7274773a0f 100755 --- a/gr-digital/examples/example_timing.py +++ b/gr-digital/examples/example_timing.py @@ -1,4 +1,24 @@ #!/usr/bin/env python +# +# Copyright 2011,2012 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, digital, filter from gnuradio import eng_notation @@ -43,8 +63,8 @@ class example_timing(gr.top_block): if mode == 0: self.clk = digital.pfb_clock_sync_ccf(sps, gain, rrc_taps_rx, nfilts, nfilts//2, 3.5) - self.taps = self.clk.get_taps() - self.dtaps = self.clk.get_diff_taps() + self.taps = self.clk.taps() + self.dtaps = self.clk.diff_taps() self.vsnk_err = gr.vector_sink_f() self.vsnk_rat = gr.vector_sink_f() diff --git a/gr-digital/examples/gen_whitener.py b/gr-digital/examples/gen_whitener.py index 9a81e4eaa3..0b1591c3ab 100755 --- a/gr-digital/examples/gen_whitener.py +++ b/gr-digital/examples/gen_whitener.py @@ -1,4 +1,24 @@ #!/usr/bin/env python +# +# Copyright 2011 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, gru from gnuradio.eng_option import eng_option diff --git a/gr-digital/examples/narrowband/digital_bert_rx.py b/gr-digital/examples/narrowband/digital_bert_rx.py index fd04901cb7..c044b25858 100755 --- a/gr-digital/examples/narrowband/digital_bert_rx.py +++ b/gr-digital/examples/narrowband/digital_bert_rx.py @@ -75,7 +75,8 @@ class bert_receiver(gr.hier_block2): self._sample_rate = self._symbol_rate * samples_per_symbol # Add an SNR probe on the demodulated constellation - self._snr_probe = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4, alpha=10.0/self._symbol_rate) + self._snr_probe = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4, 1000, + alpha=10.0/self._symbol_rate) self.connect(self._demod.time_recov, self._snr_probe) # Descramble BERT sequence. A channel error will create 3 incorrect bits @@ -90,7 +91,7 @@ class bert_receiver(gr.hier_block2): return self._demod.freq_recov.get_frequency()*self._sample_rate/(2*math.pi) def timing_offset(self): - return self._demod.time_recov.get_clock_rate() + return self._demod.time_recov.clock_rate() def snr(self): return self._snr_probe.snr() diff --git a/gr-digital/examples/ofdm/benchmark_add_channel.py b/gr-digital/examples/ofdm/benchmark_add_channel.py index 01776d2093..77862e753f 100755 --- a/gr-digital/examples/ofdm/benchmark_add_channel.py +++ b/gr-digital/examples/ofdm/benchmark_add_channel.py @@ -20,7 +20,7 @@ # Boston, MA 02110-1301, USA. # -from gnuradio import gr +from gnuradio import gr, filter from gnuradio import eng_notation from gnuradio.eng_option import eng_option from optparse import OptionParser @@ -45,7 +45,7 @@ class my_top_block(gr.top_block): self.src = gr.file_source(gr.sizeof_gr_complex, ifile) #self.throttle = gr.throttle(gr.sizeof_gr_complex, options.sample_rate) - self.channel = gr.channel_model(noise_voltage, frequency_offset, + self.channel = filter.channel_model(noise_voltage, frequency_offset, time_offset, noise_seed=random.randint(0,100000)) self.phase = gr.multiply_const_cc(complex(math.cos(phase_offset), math.sin(phase_offset))) diff --git a/gr-digital/examples/ofdm/ofdm_mod_demod_test.py b/gr-digital/examples/ofdm/ofdm_mod_demod_test.py deleted file mode 100755 index b1521da6d7..0000000000 --- a/gr-digital/examples/ofdm/ofdm_mod_demod_test.py +++ /dev/null @@ -1,179 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2005,2006,2008 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, ofdm_packet_utils -import gnuradio.gr.gr_threading as _threading -from gnuradio import eng_notation -from gnuradio.eng_option import eng_option -from optparse import OptionParser - -import random, time, struct, sys, math, os - -class my_top_block(gr.top_block): - def __init__(self, callback, options): - gr.top_block.__init__(self) - - # hard-coded known symbol - ks1 = known_symbols_4512_1[0:options.occupied_tones] - ks2 = known_symbols_4512_2[0:options.occupied_tones] - - self._rcvd_pktq = gr.msg_queue() - - # accepts messages from the outside world - self.ofdm_mapper = gr.ofdm_bpsk_mapper(4, options.occupied_tones, options.fft_length, ks1, ks2) - self.ofdm_corr = gr.ofdm_correlator(options.occupied_tones, options.fft_length, 0, ks1, ks2) - self.ofdm_framer = gr.ofdm_frame_sink(self._rcvd_pktq, options.occupied_tones) - - if 0: # set to 1 to put the correlator in the path to take over the signalling - self.connect((self.ofdm_mapper, 0), (self.ofdm_corr, 0)) - self.connect((self.ofdm_corr, 0), (self.ofdm_framer, 0)) - self.connect((self.ofdm_corr, 1), (self.ofdm_framer, 1)) - - self.connect((self.ofdm_mapper,0), gr.file_sink(gr.sizeof_gr_complex*options.fft_length, "ofdm_mapper.dat")) - self.connect((self.ofdm_corr,0), gr.file_sink(gr.sizeof_gr_complex*options.occupied_tones, "ofdm_corr.dat")) - self.connect((self.ofdm_corr,1), gr.file_sink(gr.sizeof_char, "ofdm_sig.dat")) - - else: - self.connect((self.ofdm_mapper, 0), (self.ofdm_framer, 0)) - self.connect((self.ofdm_mapper, 1), (self.ofdm_framer, 1)) - - self.connect((self.ofdm_mapper,0), gr.file_sink(gr.sizeof_gr_complex*options.fft_length, "ofdm_mapper.dat")) - self.connect((self.ofdm_mapper,1), gr.file_sink(gr.sizeof_char, "ofdm_sig.dat")) - - self._watcher = _queue_watcher_thread(self._rcvd_pktq, callback) - - def send_pkt(self, payload='', eof=False): - if eof: - msg = gr.message(1) - else: - pkt = ofdm_packet_utils.make_packet(payload, 1, 1, False, whiten=False) - msg = gr.message_from_string(pkt) - self.ofdm_mapper.msgq().insert_tail(msg) - -class _queue_watcher_thread(_threading.Thread): - def __init__(self, rcvd_pktq, callback): - _threading.Thread.__init__(self) - self.setDaemon(1) - self.rcvd_pktq = rcvd_pktq - self.callback = callback - self.keep_running = True - self.start() - - def run(self): - while self.keep_running: - msg = self.rcvd_pktq.delete_head() - ok, payload = ofdm_packet_utils.unmake_packet(msg.to_string(), whiten=False) - if self.callback: - self.callback(ok, payload) - -# ///////////////////////////////////////////////////////////////////////////// -# main -# ///////////////////////////////////////////////////////////////////////////// - -def main(): - ''' Use this program to tie the OFDM modulators straight into the frame sink, with or without - the correlator in between. This is for testing of the modulators and demodulators only without - receiver and sync functionality.''' - - global n_rcvd, n_right - - n_rcvd = 0 - n_right = 0 - - def send_pkt(payload='', eof=False): - return fg.send_pkt(payload, eof) - - def rx_callback(ok, payload): - global n_rcvd, n_right - n_rcvd += 1 - (pktno,) = struct.unpack('!H', payload[0:2]) - if ok: - n_right += 1 - print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % (ok, pktno, n_rcvd, n_right) - - printlst = list() - for x in payload[2:]: - t = hex(ord(x)).replace('0x', '') - if(len(t) == 1): - t = '0' + t - printlst.append(t) - printable = ''.join(printlst) - - print printable - print "\n" - - parser = OptionParser(option_class=eng_option, conflict_handler="resolve") - expert = parser.add_option_group("Expert") - parser.add_option("-s", "--size", type="eng_float", default=1450, - help="set packet size [default=%default]") - parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, - help="set megabytes to transmit [default=%default]") - expert.add_option("", "--fft-length", type="intx", default=512, - help="set the number of FFT bins [default=%default]") - expert.add_option("", "--occupied-tones", type="intx", default=200, - help="set the number of occupied FFT bins [default=%default]") - expert.add_option("", "--cp-length", type="intx", default=128, - help="set the number of bits in the cyclic prefix [default=%default]") - expert.add_option("", "--fft-length", type="intx", default=512, - help="set the number of FFT bins [default=%default]") - expert.add_option("", "--occupied-tones", type="intx", default=200, - help="set the number of occupied FFT bins [default=%default]") - expert.add_option("", "--cp-length", type="intx", default=128, - help="set the number of bits in the cyclic prefix [default=%default]") - - (options, args) = parser.parse_args () - - # build the graph - tb = my_top_block(rx_callback, options) - - tb.start() # start flow graph - - # generate and send packets - nbytes = int(1e6 * options.megabytes) - n = 0 - pktno = 0 - pkt_size = int(options.size) - - while n < nbytes: - #r = ''.join([chr(random.randint(0,255)) for i in range(pkt_size-2)]) - #pkt_contents = struct.pack('!H', pktno) + r - - pkt_contents = struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff) - - send_pkt(pkt_contents) - n += pkt_size - pktno += 1 - - send_pkt(eof=True) - tb.wait() # wait for it to finish - -known_symbols_4512_1 = [-1, 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, -1, 1, -1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, -1, 1, 1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, -1, -1, -1, 1, -1, -1, -1, 1, 1, 1, -1, -1, -1, -1, 1, -1, 1, 1, -1, 1, -1, 1, -1, -1, -1, -1, -1, -1, -1, 1, 1, -1, 1, -1, -1, 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-1, -1, -1, 1, -1, -1, -1, 1, 1, 1, 1, -1, -1] - - -if __name__ == '__main__': - try: - main() - except KeyboardInterrupt: - pass - diff --git a/gr-digital/examples/snr_estimators.py b/gr-digital/examples/snr_estimators.py index 0603da131d..e310ec2937 100755 --- a/gr-digital/examples/snr_estimators.py +++ b/gr-digital/examples/snr_estimators.py @@ -1,4 +1,24 @@ #!/usr/bin/env python +# +# Copyright 2011,2012 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 sys diff --git a/gr-digital/include/digital/fll_band_edge_cc.h b/gr-digital/include/digital/fll_band_edge_cc.h index 45930c760a..86605a56cf 100644 --- a/gr-digital/include/digital/fll_band_edge_cc.h +++ b/gr-digital/include/digital/fll_band_edge_cc.h @@ -25,6 +25,7 @@ #include <digital/api.h> #include <gr_sync_block.h> +#include <gri_control_loop.h> namespace gr { namespace digital { @@ -81,7 +82,9 @@ namespace gr { * linear phase. Otherwise, the variance of the error will be very * large. */ - class DIGITAL_API fll_band_edge_cc : virtual public gr_sync_block + class DIGITAL_API fll_band_edge_cc + : virtual public gr_sync_block, + virtual public gri_control_loop { public: // gr::digital::fll_band_edge_cc::sptr diff --git a/gr-digital/include/digital/ofdm_frame_acquisition.h b/gr-digital/include/digital/ofdm_frame_acquisition.h index a255aa1801..61d6019faf 100644 --- a/gr-digital/include/digital/ofdm_frame_acquisition.h +++ b/gr-digital/include/digital/ofdm_frame_acquisition.h @@ -68,7 +68,7 @@ namespace gr { static sptr make(unsigned int occupied_carriers, unsigned int fft_length, unsigned int cplen, const std::vector<gr_complex> &known_symbol, - unsigned int max_fft_shift_len); + unsigned int max_fft_shift_len=4); /*! * \brief Return an estimate of the SNR of the channel diff --git a/gr-digital/include/digital/ofdm_frame_sink.h b/gr-digital/include/digital/ofdm_frame_sink.h index 64590ca980..df8f237dfa 100644 --- a/gr-digital/include/digital/ofdm_frame_sink.h +++ b/gr-digital/include/digital/ofdm_frame_sink.h @@ -52,7 +52,7 @@ namespace gr { const std::vector<unsigned char> &sym_value_out, gr_msg_queue_sptr target_queue, unsigned int occupied_tones, - float phase_gain, float freq_gain); + float phase_gain=0.25, float freq_gain=0.25*0.25/4); }; } /* namespace digital */ diff --git a/gr-digital/include/digital/ofdm_sampler.h b/gr-digital/include/digital/ofdm_sampler.h index 4d6099a22c..e6b650d19c 100644 --- a/gr-digital/include/digital/ofdm_sampler.h +++ b/gr-digital/include/digital/ofdm_sampler.h @@ -41,7 +41,7 @@ namespace gr { static sptr make(unsigned int fft_length, unsigned int symbol_length, - unsigned int timeout); + unsigned int timeout=1000); }; } /* namespace digital */ diff --git a/gr-digital/lib/chunks_to_symbols_XX_impl.cc.t b/gr-digital/lib/chunks_to_symbols_XX_impl.cc.t index 71c03819cc..39eca32db6 100644 --- a/gr-digital/lib/chunks_to_symbols_XX_impl.cc.t +++ b/gr-digital/lib/chunks_to_symbols_XX_impl.cc.t @@ -67,7 +67,7 @@ namespace gr { @O_TYPE@ *out = (@O_TYPE@*)output_items[m]; // per stream processing - for(int i = 0; i < noutput_items / d_D; i++){ + for(int i = 0; i < noutput_items / d_D; i++) { assert(((unsigned int)in[i]*d_D+d_D) <= d_symbol_table.size()); memcpy(out, &d_symbol_table[(unsigned int)in[i]*d_D], d_D*sizeof(@O_TYPE@)); out+=d_D; diff --git a/gr-digital/lib/fll_band_edge_cc_impl.h b/gr-digital/lib/fll_band_edge_cc_impl.h index 627e8ffefa..55e338b38c 100644 --- a/gr-digital/lib/fll_band_edge_cc_impl.h +++ b/gr-digital/lib/fll_band_edge_cc_impl.h @@ -31,7 +31,7 @@ namespace gr { namespace digital { class fll_band_edge_cc_impl : - public fll_band_edge_cc, gri_control_loop + public fll_band_edge_cc { private: float d_sps; diff --git a/gr-digital/lib/ofdm_frame_acquisition_impl.h b/gr-digital/lib/ofdm_frame_acquisition_impl.h index c4e11404fd..867d86736f 100644 --- a/gr-digital/lib/ofdm_frame_acquisition_impl.h +++ b/gr-digital/lib/ofdm_frame_acquisition_impl.h @@ -56,7 +56,7 @@ namespace gr { ofdm_frame_acquisition_impl(unsigned int occupied_carriers, unsigned int fft_length, unsigned int cplen, const std::vector<gr_complex> &known_symbol, - unsigned int max_fft_shift_len); + unsigned int max_fft_shift_len=4); ~ofdm_frame_acquisition_impl(); /*! diff --git a/gr-digital/lib/ofdm_frame_sink_impl.h b/gr-digital/lib/ofdm_frame_sink_impl.h index 9414b38b33..c81940b5f1 100644 --- a/gr-digital/lib/ofdm_frame_sink_impl.h +++ b/gr-digital/lib/ofdm_frame_sink_impl.h @@ -92,7 +92,7 @@ namespace gr { const std::vector<unsigned char> &sym_value_out, gr_msg_queue_sptr target_queue, unsigned int occupied_tones, - float phase_gain, float freq_gain); + float phase_gain=0.25, float freq_gain=0.25*0.25/4); ~ofdm_frame_sink_impl(); int work(int noutput_items, diff --git a/gr-digital/lib/ofdm_sampler_impl.h b/gr-digital/lib/ofdm_sampler_impl.h index 07b919927e..369447465f 100644 --- a/gr-digital/lib/ofdm_sampler_impl.h +++ b/gr-digital/lib/ofdm_sampler_impl.h @@ -43,7 +43,7 @@ namespace gr { public: ofdm_sampler_impl(unsigned int fft_length, unsigned int symbol_length, - unsigned int timeout); + unsigned int timeout=1000); ~ofdm_sampler_impl(); void forecast(int noutput_items, gr_vector_int &ninput_items_required); diff --git a/gr-digital/python/gfsk.py b/gr-digital/python/gfsk.py index 9ec477648e..215583dd8c 100644 --- a/gr-digital/python/gfsk.py +++ b/gr-digital/python/gfsk.py @@ -99,7 +99,9 @@ class gfsk_mod(gr.hier_block2): #sensitivity = (pi / 2) / samples_per_symbol # phase change per bit = pi / 2 # Turn it into NRZ data. - self.nrz = digital.bytes_to_syms() + #self.nrz = digital.bytes_to_syms() + self.unpack = gr.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST) + self.nrz = digital.chunks_to_symbols_bf([-1, 1]) # Form Gaussian filter # Generate Gaussian response (Needs to be convolved with window below). @@ -127,7 +129,7 @@ class gfsk_mod(gr.hier_block2): self._setup_logging() # Connect & Initialize base class - self.connect(self, self.nrz, self.gaussian_filter, self.fmmod, self.amp, self) + self.connect(self, self.unpack, self.nrz, self.gaussian_filter, self.fmmod, self.amp, self) def samples_per_symbol(self): return self._samples_per_symbol diff --git a/gr-digital/python/gmsk.py b/gr-digital/python/gmsk.py index cc6af9ffff..8f8c659010 100644 --- a/gr-digital/python/gmsk.py +++ b/gr-digital/python/gmsk.py @@ -98,7 +98,9 @@ class gmsk_mod(gr.hier_block2): sensitivity = (pi / 2) / samples_per_symbol # phase change per bit = pi / 2 # Turn it into NRZ data. - self.nrz = digital.bytes_to_syms() + #self.nrz = digital.bytes_to_syms() + self.unpack = gr.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST) + self.nrz = digital.chunks_to_symbols_bf([-1, 1], 1) # Form Gaussian filter # Generate Gaussian response (Needs to be convolved with window below). @@ -123,7 +125,7 @@ class gmsk_mod(gr.hier_block2): self._setup_logging() # Connect & Initialize base class - self.connect(self, self.nrz, self.gaussian_filter, self.fmmod, self) + self.connect(self, self.unpack, self.nrz, self.gaussian_filter, self.fmmod, self) def samples_per_symbol(self): return self._samples_per_symbol diff --git a/gr-digital/swig/digital_swig.i b/gr-digital/swig/digital_swig.i index ffcfb8251c..3783da75ea 100644 --- a/gr-digital/swig/digital_swig.i +++ b/gr-digital/swig/digital_swig.i @@ -28,6 +28,8 @@ %include "gr_cpm.h" +%include "gri_control_loop.h" + // Used in the constellation objects %template(unsigned_int_vector) std::vector<unsigned int>; |