[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Discuss-gnuradio] Re: debug freezing
From: |
Markus Feldmann |
Subject: |
[Discuss-gnuradio] Re: debug freezing |
Date: |
Fri, 08 May 2009 10:04:39 +0200 |
User-agent: |
Mozilla-Thunderbird 2.0.0.19 (X11/20090103) |
Josh Blum schrieb:
Markus,
I really believe that the gui is not freezing. What you see is a result
of the fact the the peak detect outputs a binary 1 or 0 signal.
Connect the peak detect to a char_to_float block, and then to a
numbersink. Setup the numbersink for a min of 0 and a max of 1. The
numbersink will clearly show what state the peak detector is in. Make
sure to include a throttle somewhere.
Still done. It doesnt matter which graphical sinnk i use.
Only the <gr_peak_detector_xb_0> works with all one.
I have tried about 20 combinations, with different sinks, like
number sink, file sink, scope sink, with throttle, without throttle,
different connections.
The <gr_peak_detector2_fb_0> doesnt work correctly.
Take a look at the source code for peak detect, perhaps the comments, or
the implementation can help you to figure out what the parameters like
threshold or alpha mean. Also, add a few printfs to the work method, to
verify what the block is outputting, and if its really freezing/stopped
working.
Ok i will do this.
Thanks for your answer and help. I still read the comments in the Header
and sources, but if i understand this correctly than it should not
produce peaks by setting TH factor Rise to 10e15 for example. So i think
there should be a second Bug or i misunderstood something.
Do you think a peak detector should find peaks if it gets a noise
signal and it is setted up with TH factor Rise by 10e15 ?
I add to files:
peakdetector_LF_RX_08.grc --> works not (gr_peak_detector2_fb_0)
peakdetector_LF_RX_13.grc --> works (gr_peak_detector_xb_0)
regards markus
<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Thu May 7 12:43:22 2009</timestamp>
<block>
<key>options</key>
<param>
<key>id</key>
<value>peakdetector_LF_RX_08</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>title</key>
<value>USRP Peakdetector Test</value>
</param>
<param>
<key>author</key>
<value>Example</value>
</param>
<param>
<key>description</key>
<value>Tests to analyse how the Peak Detector works.</value>
</param>
<param>
<key>window_size</key>
<value>1280, 1024</value>
</param>
<param>
<key>generate_options</key>
<value>wx_gui</value>
</param>
<param>
<key>category</key>
<value>Custom</value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(10, 10)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>frequency</value>
</param>
<param>
<key>value</key>
<value>1e6</value>
</param>
<param>
<key>min</key>
<value>1e6</value>
</param>
<param>
<key>max</key>
<value>11e6</value>
</param>
<param>
<key>num_steps</key>
<value>290</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></value>
</param>
<param>
<key>_coordinate</key>
<value>(13, 511)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>gain_usrp_source</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Gain Usrp Source</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>20</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>4, 1, 2, 1</value>
</param>
<param>
<key>_coordinate</key>
<value>(151, 499)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>64e6/decim</value>
</param>
<param>
<key>_coordinate</key>
<value>(30, 703)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>decim</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>256</value>
</param>
<param>
<key>_coordinate</key>
<value>(35, 632)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_char_to_float</key>
<param>
<key>id</key>
<value>gr_char_to_float_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(694, 51)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_complex_to_real</key>
<param>
<key>id</key>
<value>gr_complex_to_real_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(192, 240)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_scopesink2</key>
<param>
<key>id</key>
<value>wxgui_scopesink2_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>title</key>
<value>Scope Plot after Peak Detector</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>v_scale</key>
<value>0</value>
</param>
<param>
<key>t_scale</key>
<value>25e-6</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>2</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(1141, 186)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_peak_detector2_fb</key>
<param>
<key>id</key>
<value>gr_peak_detector2_fb_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>threshold_factor_rise</key>
<value>0.5</value>
</param>
<param>
<key>look_ahead</key>
<value>2</value>
</param>
<param>
<key>alpha</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(410, 27)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>usrp_simple_source_x</key>
<param>
<key>id</key>
<value>usrp_simple_source_x</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_usrp_source</value>
</param>
<param>
<key>side</key>
<value>B</value>
</param>
<param>
<key>rx_ant</key>
<value>RXA</value>
</param>
<param>
<key>hb_filters</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(2, 274)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_fftsink2</key>
<param>
<key>id</key>
<value>wxgui_fftsink2</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>title</key>
<value>FFT Plot</value>
</param>
<param>
<key>samp_rate</key>
<value>64e6/decim</value>
</param>
<param>
<key>baseband_freq</key>
<value>freq</value>
</param>
<param>
<key>y_per_div</key>
<value>10</value>
</param>
<param>
<key>y_divs</key>
<value>10</value>
</param>
<param>
<key>ref_level</key>
<value>70</value>
</param>
<param>
<key>fft_size</key>
<value>512*2</value>
</param>
<param>
<key>fft_rate</key>
<value>20</value>
</param>
<param>
<key>peak_hold</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>True</value>
</param>
<param>
<key>avg_alpha</key>
<value>0</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(556, 321)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<connection>
<source_block_id>usrp_simple_source_x</source_block_id>
<sink_block_id>gr_complex_to_real_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_peak_detector2_fb_0</source_block_id>
<sink_block_id>gr_char_to_float_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_complex_to_real_0</source_block_id>
<sink_block_id>gr_peak_detector2_fb_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_char_to_float_0</source_block_id>
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_complex_to_real_0</source_block_id>
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
<source_key>0</source_key>
<sink_key>1</sink_key>
</connection>
<connection>
<source_block_id>usrp_simple_source_x</source_block_id>
<sink_block_id>wxgui_fftsink2</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>
<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Wed May 6 15:45:50 2009</timestamp>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>frequency</value>
</param>
<param>
<key>value</key>
<value>1e6</value>
</param>
<param>
<key>min</key>
<value>1e6</value>
</param>
<param>
<key>max</key>
<value>11e6</value>
</param>
<param>
<key>num_steps</key>
<value>290</value>
</param>
<param>
<key>slider_length</key>
<value>400</value>
</param>
<param>
<key>slider_type</key>
<value>horizontal</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(13, 511)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
<value>gain_usrp_source</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>label</key>
<value>Gain Usrp Source</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>max</key>
<value>20</value>
</param>
<param>
<key>num_steps</key>
<value>100</value>
</param>
<param>
<key>slider_length</key>
<value>200</value>
</param>
<param>
<key>slider_type</key>
<value>vertical</value>
</param>
<param>
<key>grid_pos</key>
<value>4, 1, 2, 1</value>
</param>
<param>
<key>_coordinate</key>
<value>(151, 499)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>64e6/decim</value>
</param>
<param>
<key>_coordinate</key>
<value>(30, 703)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>decim</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>256</value>
</param>
<param>
<key>_coordinate</key>
<value>(35, 632)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_scopesink2</key>
<param>
<key>id</key>
<value>wxgui_scopesink2_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>title</key>
<value>Scope Plot after Peak Detector</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>v_scale</key>
<value>0</value>
</param>
<param>
<key>t_scale</key>
<value>25e-6</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>2</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(1141, 186)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>usrp_simple_source_x</key>
<param>
<key>id</key>
<value>usrp_simple_source_x</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>gain</key>
<value>gain_usrp_source</value>
</param>
<param>
<key>side</key>
<value>B</value>
</param>
<param>
<key>rx_ant</key>
<value>RXA</value>
</param>
<param>
<key>hb_filters</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(2, 274)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>wxgui_fftsink2</key>
<param>
<key>id</key>
<value>wxgui_fftsink2</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>title</key>
<value>FFT Plot</value>
</param>
<param>
<key>samp_rate</key>
<value>64e6/decim</value>
</param>
<param>
<key>baseband_freq</key>
<value>freq</value>
</param>
<param>
<key>y_per_div</key>
<value>10</value>
</param>
<param>
<key>ref_level</key>
<value>70</value>
</param>
<param>
<key>fft_size</key>
<value>512*2</value>
</param>
<param>
<key>fft_rate</key>
<value>20</value>
</param>
<param>
<key>peak_hold</key>
<value>False</value>
</param>
<param>
<key>average</key>
<value>True</value>
</param>
<param>
<key>avg_alpha</key>
<value>0</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(556, 321)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>options</key>
<param>
<key>id</key>
<value>peakdetector_LF_RX_13</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>title</key>
<value>USRP Peakdetector Test</value>
</param>
<param>
<key>author</key>
<value>Example</value>
</param>
<param>
<key>description</key>
<value>Tests to analyse how the Peak Detector works.</value>
</param>
<param>
<key>window_size</key>
<value>1280, 1024</value>
</param>
<param>
<key>generate_options</key>
<value>wx_gui</value>
</param>
<param>
<key>category</key>
<value>Custom</value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>_coordinate</key>
<value>(10, 10)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_complex_to_real</key>
<param>
<key>id</key>
<value>gr_complex_to_real_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(192, 240)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_char_to_float</key>
<param>
<key>id</key>
<value>gr_char_to_float_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(694, 51)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_peak_detector_xb</key>
<param>
<key>id</key>
<value>gr_peak_detector_xb_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>threshold_factor_rise</key>
<value>0.5</value>
</param>
<param>
<key>threshold_factor_fall</key>
<value>0.5</value>
</param>
<param>
<key>look_ahead</key>
<value>2</value>
</param>
<param>
<key>alpha</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(412, 33)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<connection>
<source_block_id>usrp_simple_source_x</source_block_id>
<sink_block_id>gr_complex_to_real_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_char_to_float_0</source_block_id>
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_complex_to_real_0</source_block_id>
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
<source_key>0</source_key>
<sink_key>1</sink_key>
</connection>
<connection>
<source_block_id>usrp_simple_source_x</source_block_id>
<sink_block_id>wxgui_fftsink2</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_complex_to_real_0</source_block_id>
<sink_block_id>gr_peak_detector_xb_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_peak_detector_xb_0</source_block_id>
<sink_block_id>gr_char_to_float_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>