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-rw-r--r--gr-noaa/apps/.gitignore1
-rw-r--r--gr-noaa/apps/Makefile.am35
-rw-r--r--gr-noaa/apps/demod_hrpt_file.grc781
-rwxr-xr-xgr-noaa/apps/demod_hrpt_file.py130
-rw-r--r--gr-noaa/apps/usrp_rx_hrpt.cfg13
-rw-r--r--gr-noaa/apps/usrp_rx_hrpt.grc1394
-rwxr-xr-xgr-noaa/apps/usrp_rx_hrpt.py435
-rw-r--r--gr-noaa/apps/usrp_rx_lrit.grc1477
-rwxr-xr-xgr-noaa/apps/usrp_rx_lrit.py399
9 files changed, 4665 insertions, 0 deletions
diff --git a/gr-noaa/apps/.gitignore b/gr-noaa/apps/.gitignore
new file mode 100644
index 000000000..773a6df9b
--- /dev/null
+++ b/gr-noaa/apps/.gitignore
@@ -0,0 +1 @@
+*.dat
diff --git a/gr-noaa/apps/Makefile.am b/gr-noaa/apps/Makefile.am
new file mode 100644
index 000000000..906638ff1
--- /dev/null
+++ b/gr-noaa/apps/Makefile.am
@@ -0,0 +1,35 @@
+#
+# Copyright 2009 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.
+#
+
+include $(top_srcdir)/Makefile.common
+
+if PYTHON
+
+dist_bin_SCRIPTS = \
+ demod_hrpt_file.py \
+ usrp_rx_hrpt.py \
+ usrp_rx_lrit.py
+
+EXTRA_DIST = \
+ demod_hrpt_file.grc \
+ usrp_rx_hrpt.grc \
+ usrp_rx_lrit.grc
+endif
diff --git a/gr-noaa/apps/demod_hrpt_file.grc b/gr-noaa/apps/demod_hrpt_file.grc
new file mode 100644
index 000000000..4a5e87170
--- /dev/null
+++ b/gr-noaa/apps/demod_hrpt_file.grc
@@ -0,0 +1,781 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Wed Sep 23 11:37:25 2009</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>demod_hrpt_file</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>USRP HRPT Receiver</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value></value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>4096,4096</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>no_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</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>variable</key>
+ <param>
+ <key>id</key>
+ <value>max_sync_offset</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.01</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(705, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>max_carrier_offset</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>2*math.pi*100e3/sample_rate</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(575, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>hs</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>int(sps/2.0)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(499, 19)</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>sample_rate/sym_rate</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(397, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sym_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>600*1109</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(301, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sample_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>64e6/decim</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(198, 17)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>parameter</key>
+ <param>
+ <key>id</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Decimation</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>16</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>intx</value>
+ </param>
+ <param>
+ <key>short_id</key>
+ <value>d</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(404, 102)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>parameter</key>
+ <param>
+ <key>id</key>
+ <value>pll_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value></value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.05</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>eng_float</value>
+ </param>
+ <param>
+ <key>short_id</key>
+ <value>p</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(516, 102)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>parameter</key>
+ <param>
+ <key>id</key>
+ <value>sync_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value></value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.05</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>eng_float</value>
+ </param>
+ <param>
+ <key>short_id</key>
+ <value>s</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(601, 103)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>import</key>
+ <param>
+ <key>id</key>
+ <value>import_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>import</key>
+ <value>import math</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(9, 92)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>parameter</key>
+ <param>
+ <key>id</key>
+ <value>filename</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Filename</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>usrp.dat</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>string</value>
+ </param>
+ <param>
+ <key>short_id</key>
+ <value>F</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(200, 101)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_file_source</key>
+ <param>
+ <key>id</key>
+ <value>file_source</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>file</key>
+ <value>filename</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>short</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(102, 368)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_short_to_float</key>
+ <param>
+ <key>id</key>
+ <value>s2f</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(305, 380)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_deinterleave</key>
+ <param>
+ <key>id</key>
+ <value>deinterleave</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_streams</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(526, 363)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_float_to_complex</key>
+ <param>
+ <key>id</key>
+ <value>f2c</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(730, 363)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_sink</key>
+ <param>
+ <key>id</key>
+ <value>samples_sink</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>samples</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(968, 376)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_source</key>
+ <param>
+ <key>id</key>
+ <value>samples_source</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>samples</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(104, 479)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_moving_average_xx</key>
+ <param>
+ <key>id</key>
+ <value>matched_filter</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>length</key>
+ <value>hs</value>
+ </param>
+ <param>
+ <key>scale</key>
+ <value>1.0/hs</value>
+ </param>
+ <param>
+ <key>max_iter</key>
+ <value>4000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(302, 463)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_pll_cf</key>
+ <param>
+ <key>id</key>
+ <value>pll</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>pll_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>pll_alpha**2/4.0</value>
+ </param>
+ <param>
+ <key>max_offset</key>
+ <value>max_carrier_offset</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(504, 463)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_sync_fb</key>
+ <param>
+ <key>id</key>
+ <value>sync</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>sync_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>sync_alpha**2/4.0</value>
+ </param>
+ <param>
+ <key>sps</key>
+ <value>sps</value>
+ </param>
+ <param>
+ <key>max_offset</key>
+ <value>max_sync_offset</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(711, 455)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_deframer</key>
+ <param>
+ <key>id</key>
+ <value>deframer</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(935, 483)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_file_sink</key>
+ <param>
+ <key>id</key>
+ <value>file_sink</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>file</key>
+ <value>output</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>short</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1136, 479)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_decoder</key>
+ <param>
+ <key>id</key>
+ <value>decoder</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1135, 542)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>parameter</key>
+ <param>
+ <key>id</key>
+ <value>output</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Output</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>frames.dat</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>string</value>
+ </param>
+ <param>
+ <key>short_id</key>
+ <value>o</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(302, 101)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>deframer</source_block_id>
+ <sink_block_id>file_sink</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>sync</source_block_id>
+ <sink_block_id>deframer</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>pll</source_block_id>
+ <sink_block_id>sync</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>matched_filter</source_block_id>
+ <sink_block_id>pll</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>s2f</source_block_id>
+ <sink_block_id>deinterleave</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>deinterleave</source_block_id>
+ <sink_block_id>f2c</sink_block_id>
+ <source_key>1</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>deinterleave</source_block_id>
+ <sink_block_id>f2c</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>file_source</source_block_id>
+ <sink_block_id>s2f</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>deframer</source_block_id>
+ <sink_block_id>decoder</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>f2c</source_block_id>
+ <sink_block_id>samples_sink</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>samples_source</source_block_id>
+ <sink_block_id>matched_filter</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-noaa/apps/demod_hrpt_file.py b/gr-noaa/apps/demod_hrpt_file.py
new file mode 100755
index 000000000..a1469e9e0
--- /dev/null
+++ b/gr-noaa/apps/demod_hrpt_file.py
@@ -0,0 +1,130 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: USRP HRPT Receiver
+# Generated: Wed Sep 23 11:37:25 2009
+##################################################
+
+from gnuradio import eng_notation
+from gnuradio import gr
+from gnuradio import noaa
+from gnuradio.eng_option import eng_option
+from gnuradio.gr import firdes
+from optparse import OptionParser
+import math
+
+class demod_hrpt_file(gr.top_block):
+
+ def __init__(self, decim=16, pll_alpha=0.05, sync_alpha=0.05, filename="usrp.dat", output="frames.dat"):
+ gr.top_block.__init__(self, "USRP HRPT Receiver")
+
+ ##################################################
+ # Parameters
+ ##################################################
+ self.decim = decim
+ self.pll_alpha = pll_alpha
+ self.sync_alpha = sync_alpha
+ self.filename = filename
+ self.output = output
+
+ ##################################################
+ # Variables
+ ##################################################
+ self.sym_rate = sym_rate = 600*1109
+ self.sample_rate = sample_rate = 64e6/decim
+ self.sps = sps = sample_rate/sym_rate
+ self.max_sync_offset = max_sync_offset = 0.01
+ self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate
+ self.hs = hs = int(sps/2.0)
+
+ ##################################################
+ # Blocks
+ ##################################################
+ self.decoder = noaa.hrpt_decoder()
+ self.deframer = noaa.hrpt_deframer()
+ self.deinterleave = gr.deinterleave(gr.sizeof_float*1)
+ self.f2c = gr.float_to_complex(1)
+ self.file_sink = gr.file_sink(gr.sizeof_short*1, output)
+ self.file_source = gr.file_source(gr.sizeof_short*1, filename, False)
+ self.matched_filter = gr.moving_average_cc(hs, 1.0/hs, 4000)
+ self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
+ self.s2f = gr.short_to_float()
+ self.sync = noaa.hrpt_sync_fb(sync_alpha, sync_alpha**2/4.0, sps, max_sync_offset)
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.connect((self.deframer, 0), (self.file_sink, 0))
+ self.connect((self.sync, 0), (self.deframer, 0))
+ self.connect((self.pll, 0), (self.sync, 0))
+ self.connect((self.matched_filter, 0), (self.pll, 0))
+ self.connect((self.s2f, 0), (self.deinterleave, 0))
+ self.connect((self.deinterleave, 1), (self.f2c, 1))
+ self.connect((self.deinterleave, 0), (self.f2c, 0))
+ self.connect((self.file_source, 0), (self.s2f, 0))
+ self.connect((self.deframer, 0), (self.decoder, 0))
+ self.connect((self.f2c, 0), (self.matched_filter, 0))
+
+ def set_decim(self, decim):
+ self.decim = decim
+ self.set_sample_rate(64e6/self.decim)
+
+ def set_pll_alpha(self, pll_alpha):
+ self.pll_alpha = pll_alpha
+ self.pll.set_alpha(self.pll_alpha)
+ self.pll.set_beta(self.pll_alpha**2/4.0)
+
+ def set_sync_alpha(self, sync_alpha):
+ self.sync_alpha = sync_alpha
+ self.sync.set_alpha(self.sync_alpha)
+ self.sync.set_beta(self.sync_alpha**2/4.0)
+
+ def set_filename(self, filename):
+ self.filename = filename
+
+ def set_output(self, output):
+ self.output = output
+
+ def set_sym_rate(self, sym_rate):
+ self.sym_rate = sym_rate
+ self.set_sps(self.sample_rate/self.sym_rate)
+
+ def set_sample_rate(self, sample_rate):
+ self.sample_rate = sample_rate
+ self.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate)
+ self.set_sps(self.sample_rate/self.sym_rate)
+
+ def set_sps(self, sps):
+ self.sps = sps
+ self.set_hs(int(self.sps/2.0))
+
+ def set_max_sync_offset(self, max_sync_offset):
+ self.max_sync_offset = max_sync_offset
+ self.sync.set_max_offset(self.max_sync_offset)
+
+ def set_max_carrier_offset(self, max_carrier_offset):
+ self.max_carrier_offset = max_carrier_offset
+ self.pll.set_max_offset(self.max_carrier_offset)
+
+ def set_hs(self, hs):
+ self.hs = hs
+ self.matched_filter.set_length_and_scale(self.hs, 1.0/self.hs)
+
+if __name__ == '__main__':
+ parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+ parser.add_option("-d", "--decim", dest="decim", type="intx", default=16,
+ help="Set Decimation [default=%default]")
+ parser.add_option("-p", "--pll-alpha", dest="pll_alpha", type="eng_float", default=eng_notation.num_to_str(0.05),
+ help="Set pll_alpha [default=%default]")
+ parser.add_option("-s", "--sync-alpha", dest="sync_alpha", type="eng_float", default=eng_notation.num_to_str(0.05),
+ help="Set sync_alpha [default=%default]")
+ parser.add_option("-F", "--filename", dest="filename", type="string", default="usrp.dat",
+ help="Set Filename [default=%default]")
+ parser.add_option("-o", "--output", dest="output", type="string", default="frames.dat",
+ help="Set Output [default=%default]")
+ (options, args) = parser.parse_args()
+ tb = demod_hrpt_file(decim=options.decim, pll_alpha=options.pll_alpha, sync_alpha=options.sync_alpha, filename=options.filename, output=options.output)
+ tb.start()
+ raw_input('Press Enter to quit: ')
+ tb.stop()
+
diff --git a/gr-noaa/apps/usrp_rx_hrpt.cfg b/gr-noaa/apps/usrp_rx_hrpt.cfg
new file mode 100644
index 000000000..69f3c0bf0
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_hrpt.cfg
@@ -0,0 +1,13 @@
+[output]
+filename = frames.dat
+
+[demod]
+pll_alpha = 0.05
+sync_alpha = 0.05
+
+[usrp]
+freq = 1698000000.0
+decim = 16
+side = A
+gain = 35.0
+
diff --git a/gr-noaa/apps/usrp_rx_hrpt.grc b/gr-noaa/apps/usrp_rx_hrpt.grc
new file mode 100644
index 000000000..90d868769
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_hrpt.grc
@@ -0,0 +1,1394 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Wed Sep 23 11:32:00 2009</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>usrp_rx_hrpt</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>USRP HRPT Receiver</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value></value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>4096,4096</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</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>variable</key>
+ <param>
+ <key>id</key>
+ <value>max_carrier_offset</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>2*math.pi*100e3/sample_rate</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(575, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_moving_average_xx</key>
+ <param>
+ <key>id</key>
+ <value>matched_filter</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>length</key>
+ <value>hs</value>
+ </param>
+ <param>
+ <key>scale</key>
+ <value>1.0/hs</value>
+ </param>
+ <param>
+ <key>max_iter</key>
+ <value>4000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(441, 723)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>import</key>
+ <param>
+ <key>id</key>
+ <value>import_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>import</key>
+ <value>import math</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(11, 76)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>'usrp_rx_hrpt.cfg'</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(12, 129)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sym_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>600*1109</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(301, 19)</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>sample_rate/sym_rate</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(397, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>hs</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>int(sps/2.0)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(499, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sample_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>64e6/decim</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(198, 17)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>gain</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>RX Gain</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_gain</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>100</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>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 1, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(340, 106)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_text_box</key>
+ <param>
+ <key>id</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Frequency</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_freq</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>formatter</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(199, 106)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>pll_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>PLL Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_pll_alpha</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.5</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>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 2, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(479, 106)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>sync_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>SYNC Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_sync_alpha</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.5</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>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 3, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(618, 106)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_static_text</key>
+ <param>
+ <key>id</key>
+ <value>side_text</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>USRP Side</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>side</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>str_converter</value>
+ </param>
+ <param>
+ <key>formatter</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>1, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(828, 20)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>side</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>'A'</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>string</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>'usrp'</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>'side'</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>side</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(194, 253)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>16</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>'usrp'</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>'decim'</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(351, 255)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_freq</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1698e6</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>'usrp'</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>'freq'</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(507, 258)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_gain</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>35</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>'usrp'</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>'gain'</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>gain</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(664, 259)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_pll_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.05</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>'demod'</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>'pll_alpha'</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>pll_alpha</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(823, 258)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_sync_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.05</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>'demod'</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>'sync_alpha'</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>sync_alpha</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(981, 258)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>output_filename</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>'frames.dat'</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>string</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>'output'</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>'filename'</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>output_filename</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1139, 259)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_static_text</key>
+ <param>
+ <key>id</key>
+ <value>decim_text</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Decimation</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>formatter</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>1, 1, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(973, 20)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>max_sync_offset</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.01</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(705, 19)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>usrp_simple_source_x</key>
+ <param>
+ <key>id</key>
+ <value>usrp_source</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>format</key>
+ <value></value>
+ </param>
+ <param>
+ <key>which</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>decimation</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>frequency</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>lo_offset</key>
+ <value>float('inf')</value>
+ </param>
+ <param>
+ <key>gain</key>
+ <value>gain</value>
+ </param>
+ <param>
+ <key>side</key>
+ <value>side</value>
+ </param>
+ <param>
+ <key>rx_ant</key>
+ <value>RXA</value>
+ </param>
+ <param>
+ <key>hb_filters</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(56, 699)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_agc_xx</key>
+ <param>
+ <key>id</key>
+ <value>agc</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>rate</key>
+ <value>1e-6</value>
+ </param>
+ <param>
+ <key>reference</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>gain</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>max_gain</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(273, 715)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>rx_scope</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>RX Waveform</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>sample_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>20.0/sample_rate</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>1, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>displays, 0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(439, 829)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>rx_fft</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>RX Spectrum</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>sample_rate</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>5</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>8</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>-5</value>
+ </param>
+ <param>
+ <key>ref_scale</key>
+ <value>2.0</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_rate</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0.1</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>displays, 0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(439, 465)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>pll_scope</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Post-PLL</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>sample_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>20.0/sample_rate</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>displays, 1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(605, 552)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>notebook</key>
+ <param>
+ <key>id</key>
+ <value>displays</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>['RX','Demod']</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>2, 0, 1, 4</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(15, 237)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_pll_cf</key>
+ <param>
+ <key>id</key>
+ <value>pll</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>pll_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>pll_alpha**2/4.0</value>
+ </param>
+ <param>
+ <key>max_offset</key>
+ <value>max_carrier_offset</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(632, 723)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_sync_fb</key>
+ <param>
+ <key>id</key>
+ <value>sync</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>sync_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>sync_alpha**2/4.0</value>
+ </param>
+ <param>
+ <key>sps</key>
+ <value>sps</value>
+ </param>
+ <param>
+ <key>max_offset</key>
+ <value>max_sync_offset</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(840, 715)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_deframer</key>
+ <param>
+ <key>id</key>
+ <value>deframer</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1071, 743)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>noaa_hrpt_decoder</key>
+ <param>
+ <key>id</key>
+ <value>decoder</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1274, 743)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_file_sink</key>
+ <param>
+ <key>id</key>
+ <value>frame_sink</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>file</key>
+ <value>output_filename</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>short</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1273, 851)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>deframer</source_block_id>
+ <sink_block_id>frame_sink</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>sync</source_block_id>
+ <sink_block_id>deframer</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>pll</source_block_id>
+ <sink_block_id>sync</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>pll</source_block_id>
+ <sink_block_id>pll_scope</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>agc</source_block_id>
+ <sink_block_id>rx_scope</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>agc</source_block_id>
+ <sink_block_id>rx_fft</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>agc</source_block_id>
+ <sink_block_id>matched_filter</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>matched_filter</source_block_id>
+ <sink_block_id>pll</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>deframer</source_block_id>
+ <sink_block_id>decoder</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>usrp_source</source_block_id>
+ <sink_block_id>agc</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-noaa/apps/usrp_rx_hrpt.py b/gr-noaa/apps/usrp_rx_hrpt.py
new file mode 100755
index 000000000..7efbecd3a
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_hrpt.py
@@ -0,0 +1,435 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: USRP HRPT Receiver
+# Generated: Wed Sep 23 11:32:04 2009
+##################################################
+
+from gnuradio import eng_notation
+from gnuradio import gr
+from gnuradio import noaa
+from gnuradio.eng_option import eng_option
+from gnuradio.gr import firdes
+from gnuradio.wxgui import fftsink2
+from gnuradio.wxgui import forms
+from gnuradio.wxgui import scopesink2
+from grc_gnuradio import usrp as grc_usrp
+from grc_gnuradio import wxgui as grc_wxgui
+from optparse import OptionParser
+import ConfigParser
+import math
+import wx
+
+class usrp_rx_hrpt(grc_wxgui.top_block_gui):
+
+ def __init__(self):
+ grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver")
+
+ ##################################################
+ # Variables
+ ##################################################
+ self.config_filename = config_filename = 'usrp_rx_hrpt.cfg'
+ self._decim_config = ConfigParser.ConfigParser()
+ self._decim_config.read(config_filename)
+ try: decim = self._decim_config.getfloat('usrp', 'decim')
+ except: decim = 16
+ self.decim = decim
+ self.sym_rate = sym_rate = 600*1109
+ self.sample_rate = sample_rate = 64e6/decim
+ self.sps = sps = sample_rate/sym_rate
+ self._side_config = ConfigParser.ConfigParser()
+ self._side_config.read(config_filename)
+ try: side = self._side_config.get('usrp', 'side')
+ except: side = 'A'
+ self.side = side
+ self._saved_sync_alpha_config = ConfigParser.ConfigParser()
+ self._saved_sync_alpha_config.read(config_filename)
+ try: saved_sync_alpha = self._saved_sync_alpha_config.getfloat('demod', 'sync_alpha')
+ except: saved_sync_alpha = 0.05
+ self.saved_sync_alpha = saved_sync_alpha
+ self._saved_pll_alpha_config = ConfigParser.ConfigParser()
+ self._saved_pll_alpha_config.read(config_filename)
+ try: saved_pll_alpha = self._saved_pll_alpha_config.getfloat('demod', 'pll_alpha')
+ except: saved_pll_alpha = 0.05
+ self.saved_pll_alpha = saved_pll_alpha
+ self._saved_gain_config = ConfigParser.ConfigParser()
+ self._saved_gain_config.read(config_filename)
+ try: saved_gain = self._saved_gain_config.getfloat('usrp', 'gain')
+ except: saved_gain = 35
+ self.saved_gain = saved_gain
+ self._saved_freq_config = ConfigParser.ConfigParser()
+ self._saved_freq_config.read(config_filename)
+ try: saved_freq = self._saved_freq_config.getfloat('usrp', 'freq')
+ except: saved_freq = 1698e6
+ self.saved_freq = saved_freq
+ self.sync_alpha = sync_alpha = saved_sync_alpha
+ self.side_text = side_text = side
+ self.pll_alpha = pll_alpha = saved_pll_alpha
+ self._output_filename_config = ConfigParser.ConfigParser()
+ self._output_filename_config.read(config_filename)
+ try: output_filename = self._output_filename_config.get('output', 'filename')
+ except: output_filename = 'frames.dat'
+ self.output_filename = output_filename
+ self.max_sync_offset = max_sync_offset = 0.01
+ self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate
+ self.hs = hs = int(sps/2.0)
+ self.gain = gain = saved_gain
+ self.freq = freq = saved_freq
+ self.decim_text = decim_text = decim
+
+ ##################################################
+ # Notebooks
+ ##################################################
+ self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
+ self.displays.AddPage(grc_wxgui.Panel(self.displays), "RX")
+ self.displays.AddPage(grc_wxgui.Panel(self.displays), "Demod")
+ self.GridAdd(self.displays, 2, 0, 1, 4)
+
+ ##################################################
+ # Controls
+ ##################################################
+ _sync_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
+ self._sync_alpha_text_box = forms.text_box(
+ parent=self.GetWin(),
+ sizer=_sync_alpha_sizer,
+ value=self.sync_alpha,
+ callback=self.set_sync_alpha,
+ label="SYNC Alpha",
+ converter=forms.float_converter(),
+ proportion=0,
+ )
+ self._sync_alpha_slider = forms.slider(
+ parent=self.GetWin(),
+ sizer=_sync_alpha_sizer,
+ value=self.sync_alpha,
+ callback=self.set_sync_alpha,
+ minimum=0.0,
+ maximum=0.5,
+ num_steps=100,
+ style=wx.SL_HORIZONTAL,
+ cast=float,
+ proportion=1,
+ )
+ self.GridAdd(_sync_alpha_sizer, 0, 3, 1, 1)
+ self._side_text_static_text = forms.static_text(
+ parent=self.GetWin(),
+ value=self.side_text,
+ callback=self.set_side_text,
+ label="USRP Side",
+ converter=forms.str_converter(),
+ )
+ self.GridAdd(self._side_text_static_text, 1, 0, 1, 1)
+ _pll_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
+ self._pll_alpha_text_box = forms.text_box(
+ parent=self.GetWin(),
+ sizer=_pll_alpha_sizer,
+ value=self.pll_alpha,
+ callback=self.set_pll_alpha,
+ label="PLL Alpha",
+ converter=forms.float_converter(),
+ proportion=0,
+ )
+ self._pll_alpha_slider = forms.slider(
+ parent=self.GetWin(),
+ sizer=_pll_alpha_sizer,
+ value=self.pll_alpha,
+ callback=self.set_pll_alpha,
+ minimum=0.0,
+ maximum=0.5,
+ num_steps=100,
+ style=wx.SL_HORIZONTAL,
+ cast=float,
+ proportion=1,
+ )
+ self.GridAdd(_pll_alpha_sizer, 0, 2, 1, 1)
+ _gain_sizer = wx.BoxSizer(wx.VERTICAL)
+ self._gain_text_box = forms.text_box(
+ parent=self.GetWin(),
+ sizer=_gain_sizer,
+ value=self.gain,
+ callback=self.set_gain,
+ label="RX Gain",
+ converter=forms.float_converter(),
+ proportion=0,
+ )
+ self._gain_slider = forms.slider(
+ parent=self.GetWin(),
+ sizer=_gain_sizer,
+ value=self.gain,
+ callback=self.set_gain,
+ minimum=0,
+ maximum=100,
+ num_steps=100,
+ style=wx.SL_HORIZONTAL,
+ cast=float,
+ proportion=1,
+ )
+ self.GridAdd(_gain_sizer, 0, 1, 1, 1)
+ self._freq_text_box = forms.text_box(
+ parent=self.GetWin(),
+ value=self.freq,
+ callback=self.set_freq,
+ label="Frequency",
+ converter=forms.float_converter(),
+ )
+ self.GridAdd(self._freq_text_box, 0, 0, 1, 1)
+ self._decim_text_static_text = forms.static_text(
+ parent=self.GetWin(),
+ value=self.decim_text,
+ callback=self.set_decim_text,
+ label="Decimation",
+ converter=forms.float_converter(),
+ )
+ self.GridAdd(self._decim_text_static_text, 1, 1, 1, 1)
+
+ ##################################################
+ # Blocks
+ ##################################################
+ self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
+ self.decoder = noaa.hrpt_decoder()
+ self.deframer = noaa.hrpt_deframer()
+ self.frame_sink = gr.file_sink(gr.sizeof_short*1, output_filename)
+ self.matched_filter = gr.moving_average_cc(hs, 1.0/hs, 4000)
+ self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
+ self.pll_scope = scopesink2.scope_sink_f(
+ self.displays.GetPage(1).GetWin(),
+ title="Post-PLL",
+ sample_rate=sample_rate,
+ v_scale=0.5,
+ t_scale=20.0/sample_rate,
+ ac_couple=False,
+ xy_mode=False,
+ num_inputs=1,
+ )
+ self.displays.GetPage(1).GridAdd(self.pll_scope.win, 0, 0, 1, 1)
+ self.rx_fft = fftsink2.fft_sink_c(
+ self.displays.GetPage(0).GetWin(),
+ baseband_freq=freq,
+ y_per_div=5,
+ y_divs=8,
+ ref_level=-5,
+ ref_scale=2.0,
+ sample_rate=sample_rate,
+ fft_size=1024,
+ fft_rate=30,
+ average=True,
+ avg_alpha=0.1,
+ title="RX Spectrum",
+ peak_hold=False,
+ )
+ self.displays.GetPage(0).GridAdd(self.rx_fft.win, 0, 0, 1, 1)
+ self.rx_scope = scopesink2.scope_sink_c(
+ self.displays.GetPage(0).GetWin(),
+ title="RX Waveform",
+ sample_rate=sample_rate,
+ v_scale=0,
+ t_scale=20.0/sample_rate,
+ ac_couple=False,
+ xy_mode=False,
+ num_inputs=1,
+ )
+ self.displays.GetPage(0).GridAdd(self.rx_scope.win, 1, 0, 1, 1)
+ self.sync = noaa.hrpt_sync_fb(sync_alpha, sync_alpha**2/4.0, sps, max_sync_offset)
+ self.usrp_source = grc_usrp.simple_source_c(which=0, side=side, rx_ant="RXA")
+ self.usrp_source.set_decim_rate(decim)
+ self.usrp_source.set_frequency(freq, verbose=True)
+ self.usrp_source.set_gain(gain)
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.connect((self.deframer, 0), (self.frame_sink, 0))
+ self.connect((self.sync, 0), (self.deframer, 0))
+ self.connect((self.pll, 0), (self.sync, 0))
+ self.connect((self.pll, 0), (self.pll_scope, 0))
+ self.connect((self.agc, 0), (self.rx_scope, 0))
+ self.connect((self.agc, 0), (self.rx_fft, 0))
+ self.connect((self.agc, 0), (self.matched_filter, 0))
+ self.connect((self.matched_filter, 0), (self.pll, 0))
+ self.connect((self.deframer, 0), (self.decoder, 0))
+ self.connect((self.usrp_source, 0), (self.agc, 0))
+
+ def set_config_filename(self, config_filename):
+ self.config_filename = config_filename
+ self._side_config = ConfigParser.ConfigParser()
+ self._side_config.read(self.config_filename)
+ if not self._side_config.has_section('usrp'):
+ self._side_config.add_section('usrp')
+ self._side_config.set('usrp', 'side', str(self.side))
+ self._side_config.write(open(self.config_filename, 'w'))
+ self._decim_config = ConfigParser.ConfigParser()
+ self._decim_config.read(self.config_filename)
+ if not self._decim_config.has_section('usrp'):
+ self._decim_config.add_section('usrp')
+ self._decim_config.set('usrp', 'decim', str(self.decim))
+ self._decim_config.write(open(self.config_filename, 'w'))
+ self._saved_freq_config = ConfigParser.ConfigParser()
+ self._saved_freq_config.read(self.config_filename)
+ if not self._saved_freq_config.has_section('usrp'):
+ self._saved_freq_config.add_section('usrp')
+ self._saved_freq_config.set('usrp', 'freq', str(self.freq))
+ self._saved_freq_config.write(open(self.config_filename, 'w'))
+ self._saved_gain_config = ConfigParser.ConfigParser()
+ self._saved_gain_config.read(self.config_filename)
+ if not self._saved_gain_config.has_section('usrp'):
+ self._saved_gain_config.add_section('usrp')
+ self._saved_gain_config.set('usrp', 'gain', str(self.gain))
+ self._saved_gain_config.write(open(self.config_filename, 'w'))
+ self._saved_pll_alpha_config = ConfigParser.ConfigParser()
+ self._saved_pll_alpha_config.read(self.config_filename)
+ if not self._saved_pll_alpha_config.has_section('demod'):
+ self._saved_pll_alpha_config.add_section('demod')
+ self._saved_pll_alpha_config.set('demod', 'pll_alpha', str(self.pll_alpha))
+ self._saved_pll_alpha_config.write(open(self.config_filename, 'w'))
+ self._saved_sync_alpha_config = ConfigParser.ConfigParser()
+ self._saved_sync_alpha_config.read(self.config_filename)
+ if not self._saved_sync_alpha_config.has_section('demod'):
+ self._saved_sync_alpha_config.add_section('demod')
+ self._saved_sync_alpha_config.set('demod', 'sync_alpha', str(self.sync_alpha))
+ self._saved_sync_alpha_config.write(open(self.config_filename, 'w'))
+ self._output_filename_config = ConfigParser.ConfigParser()
+ self._output_filename_config.read(self.config_filename)
+ if not self._output_filename_config.has_section('output'):
+ self._output_filename_config.add_section('output')
+ self._output_filename_config.set('output', 'filename', str(self.output_filename))
+ self._output_filename_config.write(open(self.config_filename, 'w'))
+
+ def set_decim(self, decim):
+ self.decim = decim
+ self.set_sample_rate(64e6/self.decim)
+ self._decim_config = ConfigParser.ConfigParser()
+ self._decim_config.read(self.config_filename)
+ if not self._decim_config.has_section('usrp'):
+ self._decim_config.add_section('usrp')
+ self._decim_config.set('usrp', 'decim', str(self.decim))
+ self._decim_config.write(open(self.config_filename, 'w'))
+ self.set_decim_text(self.decim)
+ self.usrp_source.set_decim_rate(self.decim)
+
+ def set_sym_rate(self, sym_rate):
+ self.sym_rate = sym_rate
+ self.set_sps(self.sample_rate/self.sym_rate)
+
+ def set_sample_rate(self, sample_rate):
+ self.sample_rate = sample_rate
+ self.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate)
+ self.set_sps(self.sample_rate/self.sym_rate)
+ self.rx_scope.set_sample_rate(self.sample_rate)
+ self.rx_fft.set_sample_rate(self.sample_rate)
+ self.pll_scope.set_sample_rate(self.sample_rate)
+
+ def set_sps(self, sps):
+ self.sps = sps
+ self.set_hs(int(self.sps/2.0))
+
+ def set_side(self, side):
+ self.side = side
+ self.set_side_text(self.side)
+ self._side_config = ConfigParser.ConfigParser()
+ self._side_config.read(self.config_filename)
+ if not self._side_config.has_section('usrp'):
+ self._side_config.add_section('usrp')
+ self._side_config.set('usrp', 'side', str(self.side))
+ self._side_config.write(open(self.config_filename, 'w'))
+
+ def set_saved_sync_alpha(self, saved_sync_alpha):
+ self.saved_sync_alpha = saved_sync_alpha
+ self.set_sync_alpha(self.saved_sync_alpha)
+
+ def set_saved_pll_alpha(self, saved_pll_alpha):
+ self.saved_pll_alpha = saved_pll_alpha
+ self.set_pll_alpha(self.saved_pll_alpha)
+
+ def set_saved_gain(self, saved_gain):
+ self.saved_gain = saved_gain
+ self.set_gain(self.saved_gain)
+
+ def set_saved_freq(self, saved_freq):
+ self.saved_freq = saved_freq
+ self.set_freq(self.saved_freq)
+
+ def set_sync_alpha(self, sync_alpha):
+ self.sync_alpha = sync_alpha
+ self._sync_alpha_slider.set_value(self.sync_alpha)
+ self._sync_alpha_text_box.set_value(self.sync_alpha)
+ self._saved_sync_alpha_config = ConfigParser.ConfigParser()
+ self._saved_sync_alpha_config.read(self.config_filename)
+ if not self._saved_sync_alpha_config.has_section('demod'):
+ self._saved_sync_alpha_config.add_section('demod')
+ self._saved_sync_alpha_config.set('demod', 'sync_alpha', str(self.sync_alpha))
+ self._saved_sync_alpha_config.write(open(self.config_filename, 'w'))
+ self.sync.set_alpha(self.sync_alpha)
+ self.sync.set_beta(self.sync_alpha**2/4.0)
+
+ def set_side_text(self, side_text):
+ self.side_text = side_text
+ self._side_text_static_text.set_value(self.side_text)
+
+ def set_pll_alpha(self, pll_alpha):
+ self.pll_alpha = pll_alpha
+ self._pll_alpha_slider.set_value(self.pll_alpha)
+ self._pll_alpha_text_box.set_value(self.pll_alpha)
+ self._saved_pll_alpha_config = ConfigParser.ConfigParser()
+ self._saved_pll_alpha_config.read(self.config_filename)
+ if not self._saved_pll_alpha_config.has_section('demod'):
+ self._saved_pll_alpha_config.add_section('demod')
+ self._saved_pll_alpha_config.set('demod', 'pll_alpha', str(self.pll_alpha))
+ self._saved_pll_alpha_config.write(open(self.config_filename, 'w'))
+ self.pll.set_alpha(self.pll_alpha)
+ self.pll.set_beta(self.pll_alpha**2/4.0)
+
+ def set_output_filename(self, output_filename):
+ self.output_filename = output_filename
+ self._output_filename_config = ConfigParser.ConfigParser()
+ self._output_filename_config.read(self.config_filename)
+ if not self._output_filename_config.has_section('output'):
+ self._output_filename_config.add_section('output')
+ self._output_filename_config.set('output', 'filename', str(self.output_filename))
+ self._output_filename_config.write(open(self.config_filename, 'w'))
+
+ def set_max_sync_offset(self, max_sync_offset):
+ self.max_sync_offset = max_sync_offset
+ self.sync.set_max_offset(self.max_sync_offset)
+
+ def set_max_carrier_offset(self, max_carrier_offset):
+ self.max_carrier_offset = max_carrier_offset
+ self.pll.set_max_offset(self.max_carrier_offset)
+
+ def set_hs(self, hs):
+ self.hs = hs
+ self.matched_filter.set_length_and_scale(self.hs, 1.0/self.hs)
+
+ def set_gain(self, gain):
+ self.gain = gain
+ self._gain_slider.set_value(self.gain)
+ self._gain_text_box.set_value(self.gain)
+ self._saved_gain_config = ConfigParser.ConfigParser()
+ self._saved_gain_config.read(self.config_filename)
+ if not self._saved_gain_config.has_section('usrp'):
+ self._saved_gain_config.add_section('usrp')
+ self._saved_gain_config.set('usrp', 'gain', str(self.gain))
+ self._saved_gain_config.write(open(self.config_filename, 'w'))
+ self.usrp_source.set_gain(self.gain)
+
+ def set_freq(self, freq):
+ self.freq = freq
+ self._freq_text_box.set_value(self.freq)
+ self._saved_freq_config = ConfigParser.ConfigParser()
+ self._saved_freq_config.read(self.config_filename)
+ if not self._saved_freq_config.has_section('usrp'):
+ self._saved_freq_config.add_section('usrp')
+ self._saved_freq_config.set('usrp', 'freq', str(self.freq))
+ self._saved_freq_config.write(open(self.config_filename, 'w'))
+ self.usrp_source.set_frequency(self.freq)
+ self.rx_fft.set_baseband_freq(self.freq)
+
+ def set_decim_text(self, decim_text):
+ self.decim_text = decim_text
+ self._decim_text_static_text.set_value(self.decim_text)
+
+if __name__ == '__main__':
+ parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+ (options, args) = parser.parse_args()
+ tb = usrp_rx_hrpt()
+ tb.Run(True)
+
diff --git a/gr-noaa/apps/usrp_rx_lrit.grc b/gr-noaa/apps/usrp_rx_lrit.grc
new file mode 100644
index 000000000..55fe39787
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_lrit.grc
@@ -0,0 +1,1477 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Sat Aug 29 11:26:03 2009</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>usrp_rx_lrit</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>USRP LRIT Receiver</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value></value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>4095, 4095</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</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>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>64e6/decim</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 81)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>symbol_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>293e3</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(11, 148)</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>samp_rate/symbol_rate</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(12, 214)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_text_box</key>
+ <param>
+ <key>id</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Decim</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_decim</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>int_converter</value>
+ </param>
+ <param>
+ <key>formatter</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(243, 13)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Waveform</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>20.0/samp_rate</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>1, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>displays, 0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(434, 551)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_agc_xx</key>
+ <param>
+ <key>id</key>
+ <value>gr_agc_xx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>rate</key>
+ <value>1e-6</value>
+ </param>
+ <param>
+ <key>reference</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>gain</key>
+ <value>1.0/32767.0</value>
+ </param>
+ <param>
+ <key>max_gain</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(261, 493)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>root_raised_cosine_filter</key>
+ <param>
+ <key>id</key>
+ <value>root_raised_cosine_filter_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>fir_filter_ccf</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>interp</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>gain</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>sym_rate</key>
+ <value>symbol_rate</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>ntaps</key>
+ <value>50</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(618, 373)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>usrp_simple_source_x</key>
+ <param>
+ <key>id</key>
+ <value>usrp_simple_source_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>format</key>
+ <value></value>
+ </param>
+ <param>
+ <key>which</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>decimation</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>frequency</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>lo_offset</key>
+ <value>float('inf')</value>
+ </param>
+ <param>
+ <key>gain</key>
+ <value>gain</value>
+ </param>
+ <param>
+ <key>side</key>
+ <value>B</value>
+ </param>
+ <param>
+ <key>rx_ant</key>
+ <value>RXA</value>
+ </param>
+ <param>
+ <key>hb_filters</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(11, 477)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_fftsink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Spectrum</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>50</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_rate</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>displays, 0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(434, 337)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</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>(181, 663)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_scopesink2_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>Scope Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>0.4</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>20.0/samp_rate</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>displays, 1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1126, 251)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_probe_mpsk_snr_c</key>
+ <param>
+ <key>id</key>
+ <value>gr_probe_mpsk_snr_c_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>snr</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>0.0001</value>
+ </param>
+ <param>
+ <key>probe_rate</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1126, 723)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_numbersink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_numbersink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>SNR</value>
+ </param>
+ <param>
+ <key>units</key>
+ <value>dB</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>min_value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max_value</key>
+ <value>30</value>
+ </param>
+ <param>
+ <key>factor</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>decimal_places</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>number_rate</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>peak_hold</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>average</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>avg_alpha</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>show_gauge</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>2, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>displays, 1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1335, 651)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_mpsk_receiver_cc</key>
+ <param>
+ <key>id</key>
+ <value>gr_mpsk_receiver_cc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>M</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>theta</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>costas_alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>costas_alpha*costas_alpha/4.0</value>
+ </param>
+ <param>
+ <key>fmin</key>
+ <value>-0.05</value>
+ </param>
+ <param>
+ <key>fmax</key>
+ <value>0.05</value>
+ </param>
+ <param>
+ <key>mu</key>
+ <value>0.5</value>
+ </param>
+ <param>
+ <key>gain_mu</key>
+ <value>gain_mu</value>
+ </param>
+ <param>
+ <key>omega</key>
+ <value>sps</value>
+ </param>
+ <param>
+ <key>gain_omega</key>
+ <value>gain_mu*gain_mu/4.0</value>
+ </param>
+ <param>
+ <key>omega_relative_limit</key>
+ <value>0.05</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(881, 437)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_complex_to_real</key>
+ <param>
+ <key>id</key>
+ <value>gr_complex_to_real_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1133, 521)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_char_to_float</key>
+ <param>
+ <key>id</key>
+ <value>gr_char_to_float_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1523, 521)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_binary_slicer_fb</key>
+ <param>
+ <key>id</key>
+ <value>gr_binary_slicer_fb_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1343, 521)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_add_const_vxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_add_const_vxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>const</key>
+ <value>48.0</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1707, 517)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_float_to_char</key>
+ <param>
+ <key>id</key>
+ <value>gr_float_to_char_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1878, 521)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_file_sink</key>
+ <param>
+ <key>id</key>
+ <value>gr_file_sink_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>file</key>
+ <value>bits.dat</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(2059, 517)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_file_source</key>
+ <param>
+ <key>id</key>
+ <value>gr_file_source_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>file</key>
+ <value>lrit.dat</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(11, 655)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>notebook</key>
+ <param>
+ <key>id</key>
+ <value>displays</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>['USRP RX', 'Costas Output']</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>2, 0, 1, 3</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(14, 351)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_decim</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>160</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>int</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>main</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>decim</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(246, 172)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>gain</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Gain</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_gain</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>115</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>115</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 1, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(411, 11)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_gain</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>33</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>main</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>gain</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>gain</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(412, 172)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Frequency</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_freq</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>135e6</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>139e6</value>
+ </param>
+ <param>
+ <key>num_steps</key>
+ <value>400</value>
+ </param>
+ <param>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>0, 2, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(574, 12)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_freq</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>137e6</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>main</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>freq</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(576, 170)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>costas_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Costas Alpha</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_costas_alpha</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.5</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>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>1, 0, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(738, 13)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_costas_alpha</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.005</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>main</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>costas_alpha</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>costas_alpha</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(739, 170)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>saved_gain_mu</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0.005</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>real</value>
+ </param>
+ <param>
+ <key>config_file</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>section</key>
+ <value>main</value>
+ </param>
+ <param>
+ <key>option</key>
+ <value>gain_mu</value>
+ </param>
+ <param>
+ <key>writeback</key>
+ <value>gain_mu</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(900, 170)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_slider</key>
+ <param>
+ <key>id</key>
+ <value>gain_mu</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Gain Mu</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>saved_gain_mu</value>
+ </param>
+ <param>
+ <key>min</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max</key>
+ <value>0.5</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>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value>1, 1, 1, 1</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(902, 13)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>config_filename</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>"usrp_rx_lrit.cfg"</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(13, 283)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>usrp_simple_source_x_0</source_block_id>
+ <sink_block_id>gr_agc_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_agc_xx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_file_source_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>gr_throttle_0</source_block_id>
+ <sink_block_id>gr_agc_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_probe_mpsk_snr_c_0</source_block_id>
+ <sink_block_id>wxgui_numbersink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
+ <sink_block_id>gr_probe_mpsk_snr_c_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_agc_xx_0</source_block_id>
+ <sink_block_id>gr_mpsk_receiver_cc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_agc_xx_0</source_block_id>
+ <sink_block_id>wxgui_fftsink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_mpsk_receiver_cc_0</source_block_id>
+ <sink_block_id>gr_complex_to_real_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_complex_to_real_0</source_block_id>
+ <sink_block_id>gr_binary_slicer_fb_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_binary_slicer_fb_0</source_block_id>
+ <sink_block_id>gr_char_to_float_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_char_to_float_0</source_block_id>
+ <sink_block_id>gr_add_const_vxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_add_const_vxx_0</source_block_id>
+ <sink_block_id>gr_float_to_char_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_float_to_char_0</source_block_id>
+ <sink_block_id>gr_file_sink_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-noaa/apps/usrp_rx_lrit.py b/gr-noaa/apps/usrp_rx_lrit.py
new file mode 100755
index 000000000..bc313e3af
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_lrit.py
@@ -0,0 +1,399 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: USRP LRIT Receiver
+# Generated: Sat Aug 29 11:26:03 2009
+##################################################
+
+from gnuradio import gr
+from gnuradio.eng_option import eng_option
+from gnuradio.wxgui import fftsink2
+from gnuradio.wxgui import forms
+from gnuradio.wxgui import numbersink2
+from gnuradio.wxgui import scopesink2
+from grc_gnuradio import blks2 as grc_blks2
+from grc_gnuradio import wxgui as grc_wxgui
+from optparse import OptionParser
+import ConfigParser
+import wx
+
+class usrp_rx_lrit(grc_wxgui.top_block_gui):
+
+ def __init__(self):
+ grc_wxgui.top_block_gui.__init__(self, title="USRP LRIT Receiver")
+
+ ##################################################
+ # Variables
+ ##################################################
+ self.config_filename = config_filename = "usrp_rx_lrit.cfg"
+ self._saved_decim_config = ConfigParser.ConfigParser()
+ self._saved_decim_config.read(config_filename)
+ try: saved_decim = self._saved_decim_config.getint("main", "decim")
+ except: saved_decim = 160
+ self.saved_decim = saved_decim
+ self.decim = decim = saved_decim
+ self.symbol_rate = symbol_rate = 293e3
+ self._saved_gain_mu_config = ConfigParser.ConfigParser()
+ self._saved_gain_mu_config.read(config_filename)
+ try: saved_gain_mu = self._saved_gain_mu_config.getfloat("main", "gain_mu")
+ except: saved_gain_mu = 0.005
+ self.saved_gain_mu = saved_gain_mu
+ self._saved_gain_config = ConfigParser.ConfigParser()
+ self._saved_gain_config.read(config_filename)
+ try: saved_gain = self._saved_gain_config.getfloat("main", "gain")
+ except: saved_gain = 33
+ self.saved_gain = saved_gain
+ self._saved_freq_config = ConfigParser.ConfigParser()
+ self._saved_freq_config.read(config_filename)
+ try: saved_freq = self._saved_freq_config.getfloat("main", "freq")
+ except: saved_freq = 137e6
+ self.saved_freq = saved_freq
+ self._saved_costas_alpha_config = ConfigParser.ConfigParser()
+ self._saved_costas_alpha_config.read(config_filename)
+ try: saved_costas_alpha = self._saved_costas_alpha_config.getfloat("main", "costas_alpha")
+ except: saved_costas_alpha = 0.005
+ self.saved_costas_alpha = saved_costas_alpha
+ self.samp_rate = samp_rate = 64e6/decim
+ self.sps = sps = samp_rate/symbol_rate
+ self.gain_mu = gain_mu = saved_gain_mu
+ self.gain = gain = saved_gain
+ self.freq = freq = saved_freq
+ self.costas_alpha = costas_alpha = saved_costas_alpha
+
+ ##################################################
+ # Notebooks
+ ##################################################
+ self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
+ self.displays.AddPage(grc_wxgui.Panel(self.displays), "USRP RX")
+ self.displays.AddPage(grc_wxgui.Panel(self.displays), "Costas Output")
+ self.GridAdd(self.displays, 2, 0, 1, 3)
+
+ ##################################################
+ # Controls
+ ##################################################
+ self._decim_text_box = forms.text_box(
+ parent=self.GetWin(),
+ value=self.decim,
+ callback=self.set_decim,
+ label="Decim",
+ converter=forms.int_converter(),
+ )
+ self.GridAdd(self._decim_text_box, 0, 0, 1, 1)
+ _gain_mu_sizer = wx.BoxSizer(wx.VERTICAL)
+ self._gain_mu_text_box = forms.text_box(
+ parent=self.GetWin(),
+ sizer=_gain_mu_sizer,
+ value=self.gain_mu,
+ callback=self.set_gain_mu,
+ label="Gain Mu",
+ converter=forms.float_converter(),
+ proportion=0,
+ )
+ self._gain_mu_slider = forms.slider(
+ parent=self.GetWin(),
+ sizer=_gain_mu_sizer,
+ value=self.gain_mu,
+ callback=self.set_gain_mu,
+ minimum=0,
+ maximum=0.5,
+ num_steps=100,
+ style=wx.SL_HORIZONTAL,
+ cast=float,
+ proportion=1,
+ )
+ self.GridAdd(_gain_mu_sizer, 1, 1, 1, 1)
+ _gain_sizer = wx.BoxSizer(wx.VERTICAL)
+ self._gain_text_box = forms.text_box(
+ parent=self.GetWin(),
+ sizer=_gain_sizer,
+ value=self.gain,
+ callback=self.set_gain,
+ label="Gain",
+ converter=forms.float_converter(),
+ proportion=0,
+ )
+ self._gain_slider = forms.slider(
+ parent=self.GetWin(),
+ sizer=_gain_sizer,
+ value=self.gain,
+ callback=self.set_gain,
+ minimum=0,
+ maximum=115,
+ num_steps=115,
+ style=wx.SL_HORIZONTAL,
+ cast=float,
+ proportion=1,
+ )
+ self.GridAdd(_gain_sizer, 0, 1, 1, 1)
+ _freq_sizer = wx.BoxSizer(wx.VERTICAL)
+ self._freq_text_box = forms.text_box(
+ parent=self.GetWin(),
+ sizer=_freq_sizer,
+ value=self.freq,
+ callback=self.set_freq,
+ label="Frequency",
+ converter=forms.float_converter(),
+ proportion=0,
+ )
+ self._freq_slider = forms.slider(
+ parent=self.GetWin(),
+ sizer=_freq_sizer,
+ value=self.freq,
+ callback=self.set_freq,
+ minimum=135e6,
+ maximum=139e6,
+ num_steps=400,
+ style=wx.SL_HORIZONTAL,
+ cast=float,
+ proportion=1,
+ )
+ self.GridAdd(_freq_sizer, 0, 2, 1, 1)
+ _costas_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
+ self._costas_alpha_text_box = forms.text_box(
+ parent=self.GetWin(),
+ sizer=_costas_alpha_sizer,
+ value=self.costas_alpha,
+ callback=self.set_costas_alpha,
+ label="Costas Alpha",
+ converter=forms.float_converter(),
+ proportion=0,
+ )
+ self._costas_alpha_slider = forms.slider(
+ parent=self.GetWin(),
+ sizer=_costas_alpha_sizer,
+ value=self.costas_alpha,
+ callback=self.set_costas_alpha,
+ minimum=0,
+ maximum=0.5,
+ num_steps=100,
+ style=wx.SL_HORIZONTAL,
+ cast=float,
+ proportion=1,
+ )
+ self.GridAdd(_costas_alpha_sizer, 1, 0, 1, 1)
+
+ ##################################################
+ # Blocks
+ ##################################################
+ self.gr_add_const_vxx_0 = gr.add_const_vff((48.0, ))
+ self.gr_agc_xx_0 = gr.agc_cc(1e-6, 1.0, 1.0/32767.0, 1.0)
+ self.gr_binary_slicer_fb_0 = gr.binary_slicer_fb()
+ self.gr_char_to_float_0 = gr.char_to_float()
+ self.gr_complex_to_real_0 = gr.complex_to_real(1)
+ self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "bits.dat")
+ self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "lrit.dat", False)
+ self.gr_float_to_char_0 = gr.float_to_char()
+ self.gr_mpsk_receiver_cc_0 = gr.mpsk_receiver_cc(2, 0, costas_alpha, costas_alpha*costas_alpha/4.0, -0.05, 0.05, 0.5, gain_mu, sps, gain_mu*gain_mu/4.0, 0.05)
+ self.gr_probe_mpsk_snr_c_0 = grc_blks2.probe_mpsk_snr_c(
+ type='snr',
+ alpha=0.0001,
+ probe_rate=10,
+ )
+ self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
+ self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
+ self.displays.GetPage(0).GetWin(),
+ baseband_freq=freq,
+ y_per_div=10,
+ y_divs=10,
+ ref_level=50,
+ sample_rate=samp_rate,
+ fft_size=1024,
+ fft_rate=30,
+ average=False,
+ avg_alpha=None,
+ title="Spectrum",
+ peak_hold=False,
+ )
+ self.displays.GetPage(0).GridAdd(self.wxgui_fftsink2_0.win, 0, 0, 1, 1)
+ self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
+ self.displays.GetPage(1).GetWin(),
+ unit="dB",
+ minval=0,
+ maxval=30,
+ factor=1.0,
+ decimal_places=1,
+ ref_level=0,
+ sample_rate=10,
+ number_rate=10,
+ average=False,
+ avg_alpha=None,
+ label="SNR",
+ peak_hold=False,
+ show_gauge=True,
+ )
+ self.displays.GetPage(1).GridAdd(self.wxgui_numbersink2_0.win, 2, 0, 1, 1)
+ self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
+ self.displays.GetPage(0).GetWin(),
+ title="Waveform",
+ sample_rate=samp_rate,
+ v_scale=0.5,
+ t_scale=20.0/samp_rate,
+ ac_couple=False,
+ xy_mode=True,
+ num_inputs=1,
+ )
+ self.displays.GetPage(0).GridAdd(self.wxgui_scopesink2_0.win, 1, 0, 1, 1)
+ self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
+ self.displays.GetPage(1).GetWin(),
+ title="Scope Plot",
+ sample_rate=samp_rate,
+ v_scale=0.4,
+ t_scale=20.0/samp_rate,
+ ac_couple=False,
+ xy_mode=True,
+ num_inputs=1,
+ )
+ self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_1.win, 0, 0, 1, 1)
+
+ ##################################################
+ # Connections
+ ##################################################
+ self.connect((self.gr_agc_xx_0, 0), (self.wxgui_scopesink2_0, 0))
+ self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0))
+ self.connect((self.gr_throttle_0, 0), (self.gr_agc_xx_0, 0))
+ self.connect((self.gr_probe_mpsk_snr_c_0, 0), (self.wxgui_numbersink2_0, 0))
+ self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.gr_probe_mpsk_snr_c_0, 0))
+ self.connect((self.gr_agc_xx_0, 0), (self.gr_mpsk_receiver_cc_0, 0))
+ self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0))
+ self.connect((self.gr_agc_xx_0, 0), (self.wxgui_fftsink2_0, 0))
+ self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.gr_complex_to_real_0, 0))
+ self.connect((self.gr_complex_to_real_0, 0), (self.gr_binary_slicer_fb_0, 0))
+ self.connect((self.gr_binary_slicer_fb_0, 0), (self.gr_char_to_float_0, 0))
+ self.connect((self.gr_char_to_float_0, 0), (self.gr_add_const_vxx_0, 0))
+ self.connect((self.gr_add_const_vxx_0, 0), (self.gr_float_to_char_0, 0))
+ self.connect((self.gr_float_to_char_0, 0), (self.gr_file_sink_0, 0))
+
+ def set_config_filename(self, config_filename):
+ self.config_filename = config_filename
+ self._saved_decim_config = ConfigParser.ConfigParser()
+ self._saved_decim_config.read(self.config_filename)
+ if not self._saved_decim_config.has_section("main"):
+ self._saved_decim_config.add_section("main")
+ self._saved_decim_config.set("main", "decim", str(self.decim))
+ self._saved_decim_config.write(open(self.config_filename, 'w'))
+ self._saved_gain_config = ConfigParser.ConfigParser()
+ self._saved_gain_config.read(self.config_filename)
+ if not self._saved_gain_config.has_section("main"):
+ self._saved_gain_config.add_section("main")
+ self._saved_gain_config.set("main", "gain", str(self.gain))
+ self._saved_gain_config.write(open(self.config_filename, 'w'))
+ self._saved_freq_config = ConfigParser.ConfigParser()
+ self._saved_freq_config.read(self.config_filename)
+ if not self._saved_freq_config.has_section("main"):
+ self._saved_freq_config.add_section("main")
+ self._saved_freq_config.set("main", "freq", str(self.freq))
+ self._saved_freq_config.write(open(self.config_filename, 'w'))
+ self._saved_costas_alpha_config = ConfigParser.ConfigParser()
+ self._saved_costas_alpha_config.read(self.config_filename)
+ if not self._saved_costas_alpha_config.has_section("main"):
+ self._saved_costas_alpha_config.add_section("main")
+ self._saved_costas_alpha_config.set("main", "costas_alpha", str(self.costas_alpha))
+ self._saved_costas_alpha_config.write(open(self.config_filename, 'w'))
+ self._saved_gain_mu_config = ConfigParser.ConfigParser()
+ self._saved_gain_mu_config.read(self.config_filename)
+ if not self._saved_gain_mu_config.has_section("main"):
+ self._saved_gain_mu_config.add_section("main")
+ self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu))
+ self._saved_gain_mu_config.write(open(self.config_filename, 'w'))
+
+ def set_saved_decim(self, saved_decim):
+ self.saved_decim = saved_decim
+ self.set_decim(self.saved_decim)
+
+ def set_decim(self, decim):
+ self.decim = decim
+ self.set_samp_rate(64e6/self.decim)
+ self._decim_text_box.set_value(self.decim)
+ self._saved_decim_config = ConfigParser.ConfigParser()
+ self._saved_decim_config.read(self.config_filename)
+ if not self._saved_decim_config.has_section("main"):
+ self._saved_decim_config.add_section("main")
+ self._saved_decim_config.set("main", "decim", str(self.decim))
+ self._saved_decim_config.write(open(self.config_filename, 'w'))
+
+ def set_symbol_rate(self, symbol_rate):
+ self.symbol_rate = symbol_rate
+ self.set_sps(self.samp_rate/self.symbol_rate)
+
+ def set_saved_gain_mu(self, saved_gain_mu):
+ self.saved_gain_mu = saved_gain_mu
+ self.set_gain_mu(self.saved_gain_mu)
+
+ def set_saved_gain(self, saved_gain):
+ self.saved_gain = saved_gain
+ self.set_gain(self.saved_gain)
+
+ def set_saved_freq(self, saved_freq):
+ self.saved_freq = saved_freq
+ self.set_freq(self.saved_freq)
+
+ def set_saved_costas_alpha(self, saved_costas_alpha):
+ self.saved_costas_alpha = saved_costas_alpha
+ self.set_costas_alpha(self.saved_costas_alpha)
+
+ def set_samp_rate(self, samp_rate):
+ self.samp_rate = samp_rate
+ self.set_sps(self.samp_rate/self.symbol_rate)
+ self.wxgui_scopesink2_0.set_sample_rate(self.samp_rate)
+ self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate)
+ self.wxgui_scopesink2_1.set_sample_rate(self.samp_rate)
+
+ def set_sps(self, sps):
+ self.sps = sps
+ self.gr_mpsk_receiver_cc_0.set_omega(self.sps)
+
+ def set_gain_mu(self, gain_mu):
+ self.gain_mu = gain_mu
+ self.gr_mpsk_receiver_cc_0.set_gain_mu(self.gain_mu)
+ self.gr_mpsk_receiver_cc_0.set_gain_omega(self.gain_mu*self.gain_mu/4.0)
+ self._saved_gain_mu_config = ConfigParser.ConfigParser()
+ self._saved_gain_mu_config.read(self.config_filename)
+ if not self._saved_gain_mu_config.has_section("main"):
+ self._saved_gain_mu_config.add_section("main")
+ self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu))
+ self._saved_gain_mu_config.write(open(self.config_filename, 'w'))
+ self._gain_mu_slider.set_value(self.gain_mu)
+ self._gain_mu_text_box.set_value(self.gain_mu)
+
+ def set_gain(self, gain):
+ self.gain = gain
+ self._gain_slider.set_value(self.gain)
+ self._gain_text_box.set_value(self.gain)
+ self._saved_gain_config = ConfigParser.ConfigParser()
+ self._saved_gain_config.read(self.config_filename)
+ if not self._saved_gain_config.has_section("main"):
+ self._saved_gain_config.add_section("main")
+ self._saved_gain_config.set("main", "gain", str(self.gain))
+ self._saved_gain_config.write(open(self.config_filename, 'w'))
+
+ def set_freq(self, freq):
+ self.freq = freq
+ self.wxgui_fftsink2_0.set_baseband_freq(self.freq)
+ self._freq_slider.set_value(self.freq)
+ self._freq_text_box.set_value(self.freq)
+ self._saved_freq_config = ConfigParser.ConfigParser()
+ self._saved_freq_config.read(self.config_filename)
+ if not self._saved_freq_config.has_section("main"):
+ self._saved_freq_config.add_section("main")
+ self._saved_freq_config.set("main", "freq", str(self.freq))
+ self._saved_freq_config.write(open(self.config_filename, 'w'))
+
+ def set_costas_alpha(self, costas_alpha):
+ self.costas_alpha = costas_alpha
+ self.gr_mpsk_receiver_cc_0.set_alpha(self.costas_alpha)
+ self.gr_mpsk_receiver_cc_0.set_beta(self.costas_alpha*self.costas_alpha/4.0)
+ self._costas_alpha_slider.set_value(self.costas_alpha)
+ self._costas_alpha_text_box.set_value(self.costas_alpha)
+ self._saved_costas_alpha_config = ConfigParser.ConfigParser()
+ self._saved_costas_alpha_config.read(self.config_filename)
+ if not self._saved_costas_alpha_config.has_section("main"):
+ self._saved_costas_alpha_config.add_section("main")
+ self._saved_costas_alpha_config.set("main", "costas_alpha", str(self.costas_alpha))
+ self._saved_costas_alpha_config.write(open(self.config_filename, 'w'))
+
+if __name__ == '__main__':
+ parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+ (options, args) = parser.parse_args()
+ tb = usrp_rx_lrit()
+ tb.Run(True)
+
generated by cgit (git 2.34.1) at 2025-02-11 07:48:11 +0000