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Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block fo

From: Darren Long
Subject: Re: [Discuss-gnuradio] gr-fosphor : New RTSA-like visualization block for GNURadio using GPU acceleration
Date: Sun, 27 Oct 2013 15:04:09 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0

Hi Sylvain,

I can't get osmocom_fft to run, due to a problem inporting fosphor. It runs OK without the -F argument. Not sure what is wrong yet. Everything seemed to build and install OK. Please see the output below. Also, should there be any new blocks in grc?



address@hidden:~$ osmocom_fft -F -a fcd=1 -f 7.1M
linux; GNU C++ version 4.8.1; Boost_105300; UHD_003.005.004-0-unknown

gr-osmosdr v0.1.x-xxx-xunknown (0.1.1git) gnuradio 3.7.1
built-in source types: file osmosdr fcd rtl rtl_tcp uhd hackrf bladerf netsdr
Using FUNcube Dongle V2.0 (hw:3)
Opened: hw:3
Using Volk machine: sse4_2_64_orc
Dongle sucessfully initialized
Result of Action :+++++
FCDAPP 20.03
 Lna gain enabled
 Mixer gain enabled
If gain set to: 15
If gain set to: 15
Traceback (most recent call last):
  File "/usr/bin/osmocom_fft", line 512, in <module>
    main ()
  File "/usr/bin/osmocom_fft", line 508, in main
app = stdgui2.stdapp(app_top_block, "osmocom Spectrum Browser", nstatus=1) File "/usr/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 38, in __init__
    wx.App.__init__ (self, redirect=False)
File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7981, in __init__
File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7555, in _BootstrapApp
    return _core_.PyApp__BootstrapApp(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 42, in OnInit
File "/usr/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 64, in __init__
    self.panel = stdpanel (self, self, top_block_maker, max_nouts)
File "/usr/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 86, in __init__
    self.top_block = top_block_maker (frame, self, vbox, sys.argv)
  File "/usr/bin/osmocom_fft", line 178, in __init__
    from gnuradio import fosphor
ImportError: cannot import name fosphor

On 27/10/13 13:17, Sylvain Munaut wrote:
Hi Darren,

I've managed to get the demo program running, but
I've not been able to do anything else yet.
Mmm, really ? What issue did you have ? Did it build at all ?

100 Frames time: 227558 us
BW estimated: 230.397520 Msps

That's the best figure I saw.  I think that puts me at the top of the chart
Yes :)

At this point the time is mostly dominated by the data copy from
memory to device and faster GPU don't help much.



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