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authorJohnathan Corgan2009-09-28 17:52:53 -0700
committerJohnathan Corgan2009-09-28 17:52:53 -0700
commitc88f64ad42a8473a1749275c0e579284b20eb283 (patch)
tree60ec91761826f0cc37a868bcc6bc643c4829dbbb
parentfb4883e9d4b6d4b25f4167d074a51eb109c69e93 (diff)
parent745a36295016a08bcf8e81e0246b53cd1a487716 (diff)
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Merge branch 'wip/gr-noaa' of http://gnuradio.org/git/jcorgan into master
* 'wip/gr-noaa' of http://gnuradio.org/git/jcorgan: Restored original HRPT GUI script and documented various script choices. Renamed simplified HRPT script to allow restoring original General improvements in HRPT receiver
Diffstat
-rw-r--r--gr-noaa/README22
-rw-r--r--gr-noaa/apps/Makefile.am4
-rw-r--r--gr-noaa/apps/demod_hrpt_file.grc331
-rwxr-xr-xgr-noaa/apps/demod_hrpt_file.py55
-rw-r--r--gr-noaa/apps/usrp_rx_hrpt.grc455
-rwxr-xr-xgr-noaa/apps/usrp_rx_hrpt.py27
-rw-r--r--gr-noaa/apps/usrp_rx_hrpt2.grc1418
-rwxr-xr-xgr-noaa/apps/usrp_rx_hrpt2.py401
-rw-r--r--gr-noaa/apps/usrp_rx_hrpt_nogui.grc869
-rwxr-xr-xgr-noaa/apps/usrp_rx_hrpt_nogui.py250
10 files changed, 3418 insertions, 414 deletions
diff --git a/gr-noaa/README b/gr-noaa/README
index d99c0d90a..fada3550a 100644
--- a/gr-noaa/README
+++ b/gr-noaa/README
@@ -5,10 +5,10 @@ As the scripts are generated using GRC, GRC must be installed at runtime
in order for them to operate.
-HRPT Operation
---------------
+HRPT OPERATION
usrp_rx_hrpt.py
+---------------
This GUI script will receive HRPT RF, demodulate, synchronize, and deframe
HRPT minor frames into a file. The file stores a series of 11090 word,
@@ -24,12 +24,26 @@ The present HRPT demodulator is only tested at decimation 16. The only other
valid decimation rates are 24 and 32, which may word but with more bit
errors. No other decimation rates will work.
+usrp_rx_hrpt2.py
+----------------
+
+This GUI script uses fewer graphical displays to reduce CPU consumption on
+slower machines, but otherwise operates identically to userp_rx_hrpt.py.
+
+usrp_rx_hrpt_nogui.py
+---------------------
+
+This non-GUI script operates without a display and requires that all parameters
+be set in the configuration file prior to running. It has no command-line
+parameters, and works identically to the GUI scripts.
demod_hrpt_file.py
+------------------
-This command-line only script will operate on a file generated with
+This non-GUI script will operate on a file generated with
usrp_rx_cfile.py and output frames in the same format as above. It does
-*not* use the configuration file above.
+*not* use the configuration file above; instead you must pass parameters to
+it on the command line. To exit the program, press Enter.
Usage: demod_hrpt_file.py: [options]
diff --git a/gr-noaa/apps/Makefile.am b/gr-noaa/apps/Makefile.am
index 906638ff1..b9787a92c 100644
--- a/gr-noaa/apps/Makefile.am
+++ b/gr-noaa/apps/Makefile.am
@@ -26,10 +26,14 @@ if PYTHON
dist_bin_SCRIPTS = \
demod_hrpt_file.py \
usrp_rx_hrpt.py \
+ usrp_rx_hrpt2.py \
+ usrp_rx_hrpt_nogui.py \
usrp_rx_lrit.py
EXTRA_DIST = \
demod_hrpt_file.grc \
usrp_rx_hrpt.grc \
+ usrp_rx_hrpt2.grc \
+ usrp_rx_hrpt_nogui.grc \
usrp_rx_lrit.grc
endif
diff --git a/gr-noaa/apps/demod_hrpt_file.grc b/gr-noaa/apps/demod_hrpt_file.grc
index 4a5e87170..16f83f780 100644
--- a/gr-noaa/apps/demod_hrpt_file.grc
+++ b/gr-noaa/apps/demod_hrpt_file.grc
@@ -1,6 +1,6 @@
<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
- <timestamp>Wed Sep 23 11:37:25 2009</timestamp>
+ <timestamp>Sun Sep 27 09:51:42 2009</timestamp>
<block>
<key>options</key>
<param>
@@ -191,34 +191,22 @@
</param>
</block>
<block>
- <key>parameter</key>
+ <key>import</key>
<param>
<key>id</key>
- <value>decim</value>
+ <value>import_0</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>
+ <key>import</key>
+ <value>import math</value>
</param>
<param>
<key>_coordinate</key>
- <value>(404, 102)</value>
+ <value>(9, 92)</value>
</param>
<param>
<key>_rotation</key>
@@ -229,7 +217,7 @@
<key>parameter</key>
<param>
<key>id</key>
- <value>pll_alpha</value>
+ <value>filename</value>
</param>
<param>
<key>_enabled</key>
@@ -237,23 +225,23 @@
</param>
<param>
<key>label</key>
- <value></value>
+ <value>Filename</value>
</param>
<param>
<key>value</key>
- <value>0.05</value>
+ <value>usrp.dat</value>
</param>
<param>
<key>type</key>
- <value>eng_float</value>
+ <value>string</value>
</param>
<param>
<key>short_id</key>
- <value>p</value>
+ <value>F</value>
</param>
<param>
<key>_coordinate</key>
- <value>(516, 102)</value>
+ <value>(200, 101)</value>
</param>
<param>
<key>_rotation</key>
@@ -264,7 +252,7 @@
<key>parameter</key>
<param>
<key>id</key>
- <value>sync_alpha</value>
+ <value>output</value>
</param>
<param>
<key>_enabled</key>
@@ -272,23 +260,23 @@
</param>
<param>
<key>label</key>
- <value></value>
+ <value>Output</value>
</param>
<param>
<key>value</key>
- <value>0.05</value>
+ <value>frames.dat</value>
</param>
<param>
<key>type</key>
- <value>eng_float</value>
+ <value>string</value>
</param>
<param>
<key>short_id</key>
- <value>s</value>
+ <value>o</value>
</param>
<param>
<key>_coordinate</key>
- <value>(601, 103)</value>
+ <value>(302, 101)</value>
</param>
<param>
<key>_rotation</key>
@@ -296,22 +284,22 @@
</param>
</block>
<block>
- <key>import</key>
+ <key>gr_float_to_complex</key>
<param>
<key>id</key>
- <value>import_0</value>
+ <value>f2c</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>import</key>
- <value>import math</value>
+ <key>vlen</key>
+ <value>1</value>
</param>
<param>
<key>_coordinate</key>
- <value>(9, 92)</value>
+ <value>(832, 363)</value>
</param>
<param>
<key>_rotation</key>
@@ -319,34 +307,57 @@
</param>
</block>
<block>
- <key>parameter</key>
+ <key>virtual_sink</key>
<param>
<key>id</key>
- <value>filename</value>
+ <value>samples_sink</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>label</key>
- <value>Filename</value>
+ <key>stream_id</key>
+ <value>samples</value>
</param>
<param>
- <key>value</key>
- <value>usrp.dat</value>
+ <key>_coordinate</key>
+ <value>(1070, 376)</value>
</param>
<param>
- <key>type</key>
- <value>string</value>
+ <key>_rotation</key>
+ <value>0</value>
</param>
+ </block>
+ <block>
+ <key>noaa_hrpt_sync_fb</key>
<param>
- <key>short_id</key>
- <value>F</value>
+ <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>(200, 101)</value>
+ <value>(813, 455)</value>
</param>
<param>
<key>_rotation</key>
@@ -354,10 +365,29 @@
</param>
</block>
<block>
- <key>gr_file_source</key>
+ <key>noaa_hrpt_deframer</key>
<param>
<key>id</key>
- <value>file_source</value>
+ <value>deframer</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1037, 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>
@@ -365,23 +395,19 @@
</param>
<param>
<key>file</key>
- <value>filename</value>
+ <value>output</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>
+ <value>(1238, 479)</value>
</param>
<param>
<key>_rotation</key>
@@ -389,10 +415,10 @@
</param>
</block>
<block>
- <key>gr_short_to_float</key>
+ <key>noaa_hrpt_decoder</key>
<param>
<key>id</key>
- <value>s2f</value>
+ <value>decoder</value>
</param>
<param>
<key>_enabled</key>
@@ -400,7 +426,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(305, 380)</value>
+ <value>(1237, 542)</value>
</param>
<param>
<key>_rotation</key>
@@ -431,7 +457,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(526, 363)</value>
+ <value>(628, 363)</value>
</param>
<param>
<key>_rotation</key>
@@ -439,45 +465,34 @@
</param>
</block>
<block>
- <key>gr_float_to_complex</key>
+ <key>parameter</key>
<param>
<key>id</key>
- <value>f2c</value>
+ <value>decim</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>
+ <key>label</key>
+ <value>Decimation</value>
</param>
- </block>
- <block>
- <key>virtual_sink</key>
<param>
- <key>id</key>
- <value>samples_sink</value>
+ <key>value</key>
+ <value>16</value>
</param>
<param>
- <key>_enabled</key>
- <value>True</value>
+ <key>type</key>
+ <value>intx</value>
</param>
<param>
- <key>stream_id</key>
- <value>samples</value>
+ <key>short_id</key>
+ <value>d</value>
</param>
<param>
<key>_coordinate</key>
- <value>(968, 376)</value>
+ <value>(415, 101)</value>
</param>
<param>
<key>_rotation</key>
@@ -485,22 +500,34 @@
</param>
</block>
<block>
- <key>virtual_source</key>
+ <key>parameter</key>
<param>
<key>id</key>
- <value>samples_source</value>
+ <value>pll_alpha</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>stream_id</key>
- <value>samples</value>
+ <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>(104, 479)</value>
+ <value>(527, 101)</value>
</param>
<param>
<key>_rotation</key>
@@ -508,34 +535,34 @@
</param>
</block>
<block>
- <key>gr_moving_average_xx</key>
+ <key>parameter</key>
<param>
<key>id</key>
- <value>matched_filter</value>
+ <value>sync_alpha</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>type</key>
- <value>complex</value>
+ <key>label</key>
+ <value></value>
</param>
<param>
- <key>length</key>
- <value>hs</value>
+ <key>value</key>
+ <value>0.05</value>
</param>
<param>
- <key>scale</key>
- <value>1.0/hs</value>
+ <key>type</key>
+ <value>eng_float</value>
</param>
<param>
- <key>max_iter</key>
- <value>4000</value>
+ <key>short_id</key>
+ <value>s</value>
</param>
<param>
<key>_coordinate</key>
- <value>(302, 463)</value>
+ <value>(615, 99)</value>
</param>
<param>
<key>_rotation</key>
@@ -566,7 +593,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(504, 463)</value>
+ <value>(606, 463)</value>
</param>
<param>
<key>_rotation</key>
@@ -574,34 +601,22 @@
</param>
</block>
<block>
- <key>noaa_hrpt_sync_fb</key>
+ <key>virtual_source</key>
<param>
<key>id</key>
- <value>sync</value>
+ <value>samples_source</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>
+ <key>stream_id</key>
+ <value>samples</value>
</param>
<param>
<key>_coordinate</key>
- <value>(711, 455)</value>
+ <value>(164, 479)</value>
</param>
<param>
<key>_rotation</key>
@@ -609,10 +624,10 @@
</param>
</block>
<block>
- <key>noaa_hrpt_deframer</key>
+ <key>gr_short_to_float</key>
<param>
<key>id</key>
- <value>deframer</value>
+ <value>s2f</value>
</param>
<param>
<key>_enabled</key>
@@ -620,7 +635,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(935, 483)</value>
+ <value>(365, 380)</value>
</param>
<param>
<key>_rotation</key>
@@ -628,10 +643,10 @@
</param>
</block>
<block>
- <key>gr_file_sink</key>
+ <key>gr_file_source</key>
<param>
<key>id</key>
- <value>file_sink</value>
+ <value>file_source</value>
</param>
<param>
<key>_enabled</key>
@@ -639,19 +654,23 @@
</param>
<param>
<key>file</key>
- <value>output</value>
+ <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>(1136, 479)</value>
+ <value>(162, 368)</value>
</param>
<param>
<key>_rotation</key>
@@ -659,18 +678,22 @@
</param>
</block>
<block>
- <key>noaa_hrpt_decoder</key>
+ <key>variable</key>
<param>
<key>id</key>
- <value>decoder</value>
+ <value>mf_taps</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
+ <key>value</key>
+ <value>[-0.5/hs,]*hs+[0.5/hs,]*hs</value>
+ </param>
+ <param>
<key>_coordinate</key>
- <value>(1135, 542)</value>
+ <value>(829, 21)</value>
</param>
<param>
<key>_rotation</key>
@@ -678,34 +701,30 @@
</param>
</block>
<block>
- <key>parameter</key>
+ <key>gr_fir_filter_xxx</key>
<param>
<key>id</key>
- <value>output</value>
+ <value>gr_fir_filter_xxx_0</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>
+ <key>type</key>
+ <value>ccc</value>
</param>
<param>
- <key>type</key>
- <value>string</value>
+ <key>decim</key>
+ <value>1</value>
</param>
<param>
- <key>short_id</key>
- <value>o</value>
+ <key>taps</key>
+ <value>mf_taps</value>
</param>
<param>
<key>_coordinate</key>
- <value>(302, 101)</value>
+ <value>(359, 471)</value>
</param>
<param>
<key>_rotation</key>
@@ -731,18 +750,6 @@
<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>
@@ -755,12 +762,6 @@
<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>
@@ -773,8 +774,26 @@
<sink_key>0</sink_key>
</connection>
<connection>
+ <source_block_id>gr_fir_filter_xxx_0</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>samples_source</source_block_id>
- <sink_block_id>matched_filter</sink_block_id>
+ <sink_block_id>gr_fir_filter_xxx_0</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>file_source</source_block_id>
+ <sink_block_id>s2f</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
diff --git a/gr-noaa/apps/demod_hrpt_file.py b/gr-noaa/apps/demod_hrpt_file.py
index a1469e9e0..309a79209 100755
--- a/gr-noaa/apps/demod_hrpt_file.py
+++ b/gr-noaa/apps/demod_hrpt_file.py
@@ -2,7 +2,7 @@
##################################################
# Gnuradio Python Flow Graph
# Title: USRP HRPT Receiver
-# Generated: Wed Sep 23 11:37:25 2009
+# Generated: Sun Sep 27 09:34:15 2009
##################################################
from gnuradio import eng_notation
@@ -15,17 +15,17 @@ 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"):
+ def __init__(self, filename="usrp.dat", output="frames.dat", decim=16, pll_alpha=0.05, sync_alpha=0.05):
gr.top_block.__init__(self, "USRP HRPT Receiver")
##################################################
# Parameters
##################################################
+ self.filename = filename
+ self.output = output
self.decim = decim
self.pll_alpha = pll_alpha
self.sync_alpha = sync_alpha
- self.filename = filename
- self.output = output
##################################################
# Variables
@@ -33,9 +33,10 @@ class demod_hrpt_file(gr.top_block):
self.sym_rate = sym_rate = 600*1109
self.sample_rate = sample_rate = 64e6/decim
self.sps = sps = sample_rate/sym_rate
+ self.hs = hs = int(sps/2.0)
+ self.mf_taps = mf_taps = [-0.5/hs,]*hs+[0.5/hs,]*hs
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
@@ -46,7 +47,7 @@ class demod_hrpt_file(gr.top_block):
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.gr_fir_filter_xxx_0 = gr.fir_filter_ccc(1, (mf_taps))
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)
@@ -57,13 +58,19 @@ class demod_hrpt_file(gr.top_block):
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))
+ self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0))
+ self.connect((self.f2c, 0), (self.gr_fir_filter_xxx_0, 0))
+ self.connect((self.s2f, 0), (self.deinterleave, 0))
+ self.connect((self.file_source, 0), (self.s2f, 0))
+
+ def set_filename(self, filename):
+ self.filename = filename
+
+ def set_output(self, output):
+ self.output = output
def set_decim(self, decim):
self.decim = decim
@@ -79,12 +86,6 @@ class demod_hrpt_file(gr.top_block):
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)
@@ -98,6 +99,14 @@ class demod_hrpt_file(gr.top_block):
self.sps = sps
self.set_hs(int(self.sps/2.0))
+ def set_hs(self, hs):
+ self.hs = hs
+ self.set_mf_taps([-0.5/self.hs,]*self.hs+[0.5/self.hs,]*self.hs)
+
+ def set_mf_taps(self, mf_taps):
+ self.mf_taps = mf_taps
+ self.gr_fir_filter_xxx_0.set_taps((self.mf_taps))
+
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)
@@ -106,24 +115,20 @@ class demod_hrpt_file(gr.top_block):
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("-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]")
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 = demod_hrpt_file(filename=options.filename, output=options.output, decim=options.decim, pll_alpha=options.pll_alpha, sync_alpha=options.sync_alpha)
tb.start()
raw_input('Press Enter to quit: ')
tb.stop()
diff --git a/gr-noaa/apps/usrp_rx_hrpt.grc b/gr-noaa/apps/usrp_rx_hrpt.grc
index 90d868769..d06879716 100644
--- a/gr-noaa/apps/usrp_rx_hrpt.grc
+++ b/gr-noaa/apps/usrp_rx_hrpt.grc
@@ -1,6 +1,6 @@
<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
- <timestamp>Wed Sep 23 11:32:00 2009</timestamp>
+ <timestamp>Sun Sep 27 13:37:22 2009</timestamp>
<block>
<key>options</key>
<param>
@@ -76,41 +76,6 @@
</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>
@@ -867,6 +832,230 @@
</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_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>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>mf_taps</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>[-0.5/hs,]*hs+[0.5/hs]*hs</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(792, 158)</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>gr_fir_filter_xxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_fir_filter_xxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>ccc</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>mf_taps</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(400, 731)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
<key>usrp_simple_source_x</key>
<param>
<key>id</key>
@@ -918,7 +1107,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(56, 699)</value>
+ <value>(28, 699)</value>
</param>
<param>
<key>_rotation</key>
@@ -957,7 +1146,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(273, 715)</value>
+ <value>(240, 715)</value>
</param>
<param>
<key>_rotation</key>
@@ -1016,7 +1205,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(439, 829)</value>
+ <value>(406, 838)</value>
</param>
<param>
<key>_rotation</key>
@@ -1071,7 +1260,7 @@
</param>
<param>
<key>fft_rate</key>
- <value>30</value>
+ <value>15</value>
</param>
<param>
<key>peak_hold</key>
@@ -1095,7 +1284,7 @@
</param>
<param>
<key>_coordinate</key>
- <value>(439, 465)</value>
+ <value>(406, 466)</value>
</param>
<param>
<key>_rotation</key>
@@ -1118,7 +1307,7 @@
</param>
<param>
<key>title</key>
- <value>Post-PLL</value>
+ <value>Demod Waveform</value>
</param>
<param>
<key>samp_rate</key>
@@ -1161,176 +1350,6 @@
<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>
@@ -1368,20 +1387,20 @@
<sink_key>0</sink_key>
</connection>
<connection>
- <source_block_id>agc</source_block_id>
- <sink_block_id>matched_filter</sink_block_id>
+ <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>matched_filter</source_block_id>
- <sink_block_id>pll</sink_block_id>
+ <source_block_id>agc</source_block_id>
+ <sink_block_id>gr_fir_filter_xxx_0</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_block_id>gr_fir_filter_xxx_0</source_block_id>
+ <sink_block_id>pll</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
diff --git a/gr-noaa/apps/usrp_rx_hrpt.py b/gr-noaa/apps/usrp_rx_hrpt.py
index 7efbecd3a..ae70f25c8 100755
--- a/gr-noaa/apps/usrp_rx_hrpt.py
+++ b/gr-noaa/apps/usrp_rx_hrpt.py
@@ -2,7 +2,7 @@
##################################################
# Gnuradio Python Flow Graph
# Title: USRP HRPT Receiver
-# Generated: Wed Sep 23 11:32:04 2009
+# Generated: Sun Sep 27 13:37:23 2009
##################################################
from gnuradio import eng_notation
@@ -62,6 +62,7 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
try: saved_freq = self._saved_freq_config.getfloat('usrp', 'freq')
except: saved_freq = 1698e6
self.saved_freq = saved_freq
+ self.hs = hs = int(sps/2.0)
self.sync_alpha = sync_alpha = saved_sync_alpha
self.side_text = side_text = side
self.pll_alpha = pll_alpha = saved_pll_alpha
@@ -70,9 +71,9 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
try: output_filename = self._output_filename_config.get('output', 'filename')
except: output_filename = 'frames.dat'
self.output_filename = output_filename
+ self.mf_taps = mf_taps = [-0.5/hs,]*hs+[0.5/hs]*hs
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
@@ -189,11 +190,11 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
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.gr_fir_filter_xxx_0 = gr.fir_filter_ccc(1, (mf_taps))
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",
+ title="Demod Waveform",
sample_rate=sample_rate,
v_scale=0.5,
t_scale=20.0/sample_rate,
@@ -211,7 +212,7 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
ref_scale=2.0,
sample_rate=sample_rate,
fft_size=1024,
- fft_rate=30,
+ fft_rate=15,
average=True,
avg_alpha=0.1,
title="RX Spectrum",
@@ -244,9 +245,9 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
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.agc, 0), (self.gr_fir_filter_xxx_0, 0))
+ self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0))
self.connect((self.usrp_source, 0), (self.agc, 0))
def set_config_filename(self, config_filename):
@@ -348,6 +349,10 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
self.saved_freq = saved_freq
self.set_freq(self.saved_freq)
+ def set_hs(self, hs):
+ self.hs = hs
+ self.set_mf_taps([-0.5/self.hs,]*self.hs+[0.5/self.hs]*self.hs)
+
def set_sync_alpha(self, sync_alpha):
self.sync_alpha = sync_alpha
self._sync_alpha_slider.set_value(self.sync_alpha)
@@ -387,6 +392,10 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
self._output_filename_config.set('output', 'filename', str(self.output_filename))
self._output_filename_config.write(open(self.config_filename, 'w'))
+ def set_mf_taps(self, mf_taps):
+ self.mf_taps = mf_taps
+ self.gr_fir_filter_xxx_0.set_taps((self.mf_taps))
+
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)
@@ -395,10 +404,6 @@ class usrp_rx_hrpt(grc_wxgui.top_block_gui):
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)
diff --git a/gr-noaa/apps/usrp_rx_hrpt2.grc b/gr-noaa/apps/usrp_rx_hrpt2.grc
new file mode 100644
index 000000000..d42a9eab6
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_hrpt2.grc
@@ -0,0 +1,1418 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Sun Sep 27 13:32:47 2009</timestamp>
+ <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>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>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, 160)</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, 102)</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>(664, 809)</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>(865, 801)</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>(1283, 937)</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>(1091, 829)</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>(1281, 829)</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>Demod Waveform</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>2,0,1,4</value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(631, 632)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</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>(269, 801)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_fir_filter_xxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_fir_filter_xxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>ccc</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>mf_taps</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(418, 817)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>mf_taps</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>[-0.5/hs,]*hs+[0.5/hs,]*hs</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(830, 154)</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>False</value>
+ </param>
+ <param>
+ <key>file</key>
+ <value>'usrp.dat'</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>(215, 490)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_deinterleave</key>
+ <param>
+ <key>id</key>
+ <value>gr_deinterleave_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</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>(598, 485)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_float_to_complex</key>
+ <param>
+ <key>id</key>
+ <value>gr_float_to_complex_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(801, 485)</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>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(393, 502)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_sink</key>
+ <param>
+ <key>id</key>
+ <value>sample_stream</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>samples</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1027, 498)</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>(63, 785)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_source</key>
+ <param>
+ <key>id</key>
+ <value>virtual_source_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>samples</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(69, 671)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>usrp_rx_hrpt2</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>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(10, 10)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>gr_fir_filter_xxx_0</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>agc</source_block_id>
+ <sink_block_id>gr_fir_filter_xxx_0</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>
+ <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>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>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>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>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>virtual_source_0</source_block_id>
+ <sink_block_id>agc</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>s2f</source_block_id>
+ <sink_block_id>gr_deinterleave_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_deinterleave_0</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_deinterleave_0</source_block_id>
+ <sink_block_id>gr_float_to_complex_0</sink_block_id>
+ <source_key>1</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_float_to_complex_0</source_block_id>
+ <sink_block_id>sample_stream</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-noaa/apps/usrp_rx_hrpt2.py b/gr-noaa/apps/usrp_rx_hrpt2.py
new file mode 100755
index 000000000..319335169
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_hrpt2.py
@@ -0,0 +1,401 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: USRP HRPT Receiver
+# Generated: Sun Sep 27 13:32:48 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 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_hrpt2(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.hs = hs = int(sps/2.0)
+ 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.mf_taps = mf_taps = [-0.5/hs,]*hs+[0.5/hs,]*hs
+ self.max_sync_offset = max_sync_offset = 0.01
+ self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate
+ self.gain = gain = saved_gain
+ self.freq = freq = saved_freq
+ self.decim_text = decim_text = decim
+
+ ##################################################
+ # 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.gr_fir_filter_xxx_0 = gr.fir_filter_ccc(1, (mf_taps))
+ self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
+ self.pll_scope = scopesink2.scope_sink_f(
+ self.GetWin(),
+ title="Demod Waveform",
+ sample_rate=sample_rate,
+ v_scale=0.5,
+ t_scale=20.0/sample_rate,
+ ac_couple=False,
+ xy_mode=False,
+ num_inputs=1,
+ )
+ self.GridAdd(self.pll_scope.win, 2, 0, 1, 4)
+ 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.gr_fir_filter_xxx_0, 0), (self.pll, 0))
+ self.connect((self.agc, 0), (self.gr_fir_filter_xxx_0, 0))
+ self.connect((self.usrp_source, 0), (self.agc, 0))
+ self.connect((self.deframer, 0), (self.decoder, 0))
+ self.connect((self.pll, 0), (self.pll_scope, 0))
+ self.connect((self.pll, 0), (self.sync, 0))
+ self.connect((self.sync, 0), (self.deframer, 0))
+ self.connect((self.deframer, 0), (self.frame_sink, 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.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_hs(self, hs):
+ self.hs = hs
+ self.set_mf_taps([-0.5/self.hs,]*self.hs+[0.5/self.hs,]*self.hs)
+
+ 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_mf_taps(self, mf_taps):
+ self.mf_taps = mf_taps
+ self.gr_fir_filter_xxx_0.set_taps((self.mf_taps))
+
+ 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_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)
+
+ 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()
+ if gr.enable_realtime_scheduling() != gr.RT_OK:
+ print "Error: failed to enable realtime scheduling."
+ tb = usrp_rx_hrpt2()
+ tb.Run(True)
+
diff --git a/gr-noaa/apps/usrp_rx_hrpt_nogui.grc b/gr-noaa/apps/usrp_rx_hrpt_nogui.grc
new file mode 100644
index 000000000..fadc2d1da
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_hrpt_nogui.grc
@@ -0,0 +1,869 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Sun Sep 27 10:13:25 2009</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>usrp_rx_hrpt_nogui</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>1</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>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</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>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, 167)</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, 112)</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>(1146, 122)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>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>(988, 121)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>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>(830, 121)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>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>(671, 122)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_config</key>
+ <param>
+ <key>id</key>
+ <value>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>(514, 121)</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>(358, 118)</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>(201, 116)</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>(1247, 347)</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>(29, 303)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>mf_taps</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>[-0.5/hs,]*hs+[0.5/hs,]*hs</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(825, 19)</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>(246, 319)</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>(1060, 347)</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>(1251, 454)</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>(833, 319)</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>(638, 327)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_fir_filter_xxx</key>
+ <param>
+ <key>id</key>
+ <value>gr_fir_filter_xxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>ccc</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>mf_taps</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(402, 335)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <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>
+ <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>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>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>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>agc</source_block_id>
+ <sink_block_id>gr_fir_filter_xxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_fir_filter_xxx_0</source_block_id>
+ <sink_block_id>pll</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_nogui.py b/gr-noaa/apps/usrp_rx_hrpt_nogui.py
new file mode 100755
index 000000000..9917847bb
--- /dev/null
+++ b/gr-noaa/apps/usrp_rx_hrpt_nogui.py
@@ -0,0 +1,250 @@
+#!/usr/bin/env python
+##################################################
+# Gnuradio Python Flow Graph
+# Title: USRP HRPT Receiver
+# Generated: Sun Sep 27 10:13:25 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 grc_gnuradio import usrp as grc_usrp
+from optparse import OptionParser
+import ConfigParser
+import math
+
+class usrp_rx_hrpt_nogui(gr.top_block):
+
+ def __init__(self):
+ gr.top_block.__init__(self, "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.hs = hs = int(sps/2.0)
+ self._sync_alpha_config = ConfigParser.ConfigParser()
+ self._sync_alpha_config.read(config_filename)
+ try: sync_alpha = self._sync_alpha_config.getfloat('demod', 'sync_alpha')
+ except: sync_alpha = 0.05
+ self.sync_alpha = sync_alpha
+ 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._pll_alpha_config = ConfigParser.ConfigParser()
+ self._pll_alpha_config.read(config_filename)
+ try: pll_alpha = self._pll_alpha_config.getfloat('demod', 'pll_alpha')
+ except: pll_alpha = 0.05
+ self.pll_alpha = 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.mf_taps = mf_taps = [-0.5/hs,]*hs+[0.5/hs,]*hs
+ self.max_sync_offset = max_sync_offset = 0.01
+ self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate
+ self._gain_config = ConfigParser.ConfigParser()
+ self._gain_config.read(config_filename)
+ try: gain = self._gain_config.getfloat('usrp', 'gain')
+ except: gain = 35
+ self.gain = gain
+ self._freq_config = ConfigParser.ConfigParser()
+ self._freq_config.read(config_filename)
+ try: freq = self._freq_config.getfloat('usrp', 'freq')
+ except: freq = 1698e6
+ self.freq = freq
+
+ ##################################################
+ # 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.gr_fir_filter_xxx_0 = gr.fir_filter_ccc(1, (mf_taps))
+ self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
+ 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.usrp_source, 0), (self.agc, 0))
+ self.connect((self.deframer, 0), (self.decoder, 0))
+ self.connect((self.pll, 0), (self.sync, 0))
+ self.connect((self.sync, 0), (self.deframer, 0))
+ self.connect((self.deframer, 0), (self.frame_sink, 0))
+ self.connect((self.agc, 0), (self.gr_fir_filter_xxx_0, 0))
+ self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0))
+
+ def set_config_filename(self, config_filename):
+ self.config_filename = config_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'))
+ self._sync_alpha_config = ConfigParser.ConfigParser()
+ self._sync_alpha_config.read(self.config_filename)
+ if not self._sync_alpha_config.has_section('demod'):
+ self._sync_alpha_config.add_section('demod')
+ self._sync_alpha_config.set('demod', 'sync_alpha', str(self.sync_alpha))
+ self._sync_alpha_config.write(open(self.config_filename, 'w'))
+ self._pll_alpha_config = ConfigParser.ConfigParser()
+ self._pll_alpha_config.read(self.config_filename)
+ if not self._pll_alpha_config.has_section('demod'):
+ self._pll_alpha_config.add_section('demod')
+ self._pll_alpha_config.set('demod', 'pll_alpha', str(self.pll_alpha))
+ self._pll_alpha_config.write(open(self.config_filename, 'w'))
+ self._gain_config = ConfigParser.ConfigParser()
+ self._gain_config.read(self.config_filename)
+ if not self._gain_config.has_section('usrp'):
+ self._gain_config.add_section('usrp')
+ self._gain_config.set('usrp', 'gain', str(self.gain))
+ self._gain_config.write(open(self.config_filename, 'w'))
+ self._freq_config = ConfigParser.ConfigParser()
+ self._freq_config.read(self.config_filename)
+ if not self._freq_config.has_section('usrp'):
+ self._freq_config.add_section('usrp')
+ self._freq_config.set('usrp', 'freq', str(self.freq))
+ self._freq_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._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_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.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)
+
+ def set_sps(self, sps):
+ self.sps = sps
+ self.set_hs(int(self.sps/2.0))
+
+ def set_hs(self, hs):
+ self.hs = hs
+ self.set_mf_taps([-0.5/self.hs,]*self.hs+[0.5/self.hs,]*self.hs)
+
+ def set_sync_alpha(self, sync_alpha):
+ self.sync_alpha = sync_alpha
+ self._sync_alpha_config = ConfigParser.ConfigParser()
+ self._sync_alpha_config.read(self.config_filename)
+ if not self._sync_alpha_config.has_section('demod'):
+ self._sync_alpha_config.add_section('demod')
+ self._sync_alpha_config.set('demod', 'sync_alpha', str(self.sync_alpha))
+ self._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(self, side):
+ self.side = 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_pll_alpha(self, pll_alpha):
+ self.pll_alpha = pll_alpha
+ self._pll_alpha_config = ConfigParser.ConfigParser()
+ self._pll_alpha_config.read(self.config_filename)
+ if not self._pll_alpha_config.has_section('demod'):
+ self._pll_alpha_config.add_section('demod')
+ self._pll_alpha_config.set('demod', 'pll_alpha', str(self.pll_alpha))
+ self._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_mf_taps(self, mf_taps):
+ self.mf_taps = mf_taps
+ self.gr_fir_filter_xxx_0.set_taps((self.mf_taps))
+
+ 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_gain(self, gain):
+ self.gain = gain
+ self._gain_config = ConfigParser.ConfigParser()
+ self._gain_config.read(self.config_filename)
+ if not self._gain_config.has_section('usrp'):
+ self._gain_config.add_section('usrp')
+ self._gain_config.set('usrp', 'gain', str(self.gain))
+ self._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_config = ConfigParser.ConfigParser()
+ self._freq_config.read(self.config_filename)
+ if not self._freq_config.has_section('usrp'):
+ self._freq_config.add_section('usrp')
+ self._freq_config.set('usrp', 'freq', str(self.freq))
+ self._freq_config.write(open(self.config_filename, 'w'))
+ self.usrp_source.set_frequency(self.freq)
+
+if __name__ == '__main__':
+ parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
+ (options, args) = parser.parse_args()
+ if gr.enable_realtime_scheduling() != gr.RT_OK:
+ print "Error: failed to enable realtime scheduling."
+ tb = usrp_rx_hrpt_nogui()
+ tb.start()
+ raw_input('Press Enter to quit: ')
+ tb.stop()
+
generated by cgit (git 2.34.1) at 2024-12-21 04:53:27 +0000