Which version of GNU Radio are you using? USRP2 support isn't in 3.1.3.
Kieran
On Mon, Feb 23, 2009 at 12:04 AM, Yc Park wrote:
> Last week, I succeed to get a response from my usrp2.
>
> After that, however, when I try usrp2_fft.py, or anything *.py related
> with usrp2, I get the "Import Erro
The grc dialtone flowgraph py would work ONLY if i changed BOTH
self.audio_sink_0 = audio.sink(44100, "hw:0,0", True)
to
self.audio_sink_0 = audio.sink(32000, "plughw:0,0", True)
and
self.samp_rate = samp_rate = 44100
to
self.samp_rate = samp_rate = 32000
not sure what to make of that...
looks
What is needed IMHO is not extra documentation about GRC but to NOT USE
plughw or require it when it is not needed. For those of us with sound
cards like Delta or other many channeled things, this causes
unnecessary burden on the complexity.
Bob
Josh Blum wrote:
I will add a note to the d
Hello, Yc Park
I think that maybe you forget to set PYTHONPATH.
Shih-Shen
Yc Park wrote:
> Last week, I succeed to get a response from my usrp2.
>
> After that, however, when I try usrp2_fft.py, or anything *.py related
> with usrp2, I get the "Import Error with usrp2" error.
>
> (But when I
I will add a note to the documentation in grc audio blocks about plughw.
Can you edit the generated code and test the following 2 combinations:
self.audio_sink_0 = audio.sink(44100, "plughw:0,0", False)
self.audio_sink_0 = audio.sink(44100, "plughw:0,0")
Let me know. -Josh
Arto Oksanen wrote:
this is from the working dial_tone.py
dst = audio.sink (sample_rate, options.audio_output)
and this is from GRC generated code:
self.audio_sink_0 = audio.sink(44100, "plughw:0,0", True)
For me it looks like the generated code has an extra parameter..
arto
2009/3/2 Josh Blum :
> The audio sink
G'day,
can someone point me to the schematics of the old USRP in PDF or PS format? I
had a browse in usrp-hw couldn't identify anything useful in there.
Thanks,
cheerio Berndt
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putting plughw:0,0 in as the hardware name for the audio sink worked
for me, the default was blank...
On Sun, Mar 1, 2009 at 7:48 PM, Josh Blum wrote:
> The audio sink in GRC has 3 parameters:
> sample_rate, device_name, ok_to_block
>
> The generated code looks like this:
> audio.si
On Mon, Mar 02, 2009 at 02:59:40AM +0100, William Sherman wrote:
> I am working with a USRP1. I eventually will want to transmit and
> receive data packets between USRP1s, but right now I am getting to grips
> with the system.
>
> I am currently trying out the benchmark_tx, benchmark_rx programs.
I am working with a USRP1. I eventually will want to transmit and
receive data packets between USRP1s, but right now I am getting to grips
with the system.
I am currently trying out the benchmark_tx, benchmark_rx programs.
I call benchmark_rx on my USRP1's LFRX-LF daughterboard and leave it
runni
On Mon, Mar 02, 2009 at 12:56:12AM +0100, Martin Dvh wrote:
> Eric Blossom wrote:
> > FYI,
> >
> > These outdoor European hacker get-togethers are a fabulous time!
> > I highly recommend them! August 13-16, near Vierhouten, NL.
> >
> > https://har2009.org
> > https://wiki.har2009.org/page/M
The audio sink in GRC has 3 parameters:
sample_rate, device_name, ok_to_block
The generated code looks like this:
audio.sink(sample_rate, device_name, ok_to_block)
If entering plughw:0,0 for the device_name does not fix the problem, I
am unsure about what is wrong... GRC generat
Smith L. wrote:
Hi,
I have been trying to use USRP2 as a receiver and USRP1 as a transmitter.
The benchmark_tx.py file is working well for USRP1 but I did some
modifications to benchmark_rx.py so that it can work on USRP2. But it didnt
worked out. Can anyone help me with this modifcations so tha
Jane Chen wrote:
> Hi,
>
> I also encountered the same errors.
> USRPDevice.h:42: error: ‘usrp_standard_rx_sptr’ does not name a type
> USRPDevice.h:43: error: ‘usrp_standard_tx_sptr’ does not name a type
>
> Where can I get the "attached patch"???
It was in my original reply:
Here you have the c
Eric Blossom wrote:
> FYI,
>
> These outdoor European hacker get-togethers are a fabulous time!
> I highly recommend them! August 13-16, near Vierhouten, NL.
>
> https://har2009.org
> https://wiki.har2009.org/page/Main_Page
>
> Eric
I can also highly recommend it.
HAR2009 is the followup
im having the same problem
dial tone in GRC crashes with the same error
but the python dialtone example works fine
running svn trunk on ubuntu 8.10 64bit standard install with a
gigabyte ga-ep45-ud3r onboard audio...
if you figure it out let me know...
thanks..
On Sun, Mar 1, 2009 at 4:29 PM, Art
I just had a question regarding the log file this program produces. As far as I
can tell, the samples are of the type gr-complex. I've tried using the file
reading matlab script provided in the utils folder, but I can't arrange and
display the data in a meaningful way. Could someone perhaps prov
Using plughw:0,0 does not change anything. The error is the same.
arto
2009/3/1 Eric Blossom :
> On Sun, Mar 01, 2009 at 09:38:31PM +0200, Arto Oksanen wrote:
>> When trying to use audio sink in GRC I get following error:
>>
>> audio: using audio_alsa
>> audio_alsa_sink[hw:0,0]: set_period_time_n
FYI,
These outdoor European hacker get-togethers are a fabulous time!
I highly recommend them! August 13-16, near Vierhouten, NL.
https://har2009.org
https://wiki.har2009.org/page/Main_Page
Eric
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FYI,
http://sigint.ccc.de/sigint/2009/wiki/Call_for_Proposals/English
Eric
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On Sun, Mar 01, 2009 at 09:38:31PM +0200, Arto Oksanen wrote:
> When trying to use audio sink in GRC I get following error:
>
> audio: using audio_alsa
> audio_alsa_sink[hw:0,0]: set_period_time_near failed: Invalid argument
> Traceback (most recent call last):
> File "/home/gr/top_block.py", li
When trying to use audio sink in GRC I get following error:
audio: using audio_alsa
audio_alsa_sink[hw:0,0]: set_period_time_near failed: Invalid argument
Traceback (most recent call last):
File "/home/gr/top_block.py", line 45, in
tb = top_block()
File "/home/gr/top_block.py", line 32, i
Hi everybody,
I'm new in GNURadio and USRP's world. I'm working with ubuntu 8.04, USRP2,
daughterboard xcvr2450, and last trunk of GNURadio. I'm trying (with GRC) to
transmit and receive on the same USRP2 a sinusoidal signal. (with frequency 50
kHz). In my trasmition chain at first I generate a
hi to every onei need to know how can i interface GNU radio with wirless NIC
in labtop ?please, support me with code that can do that ?thanks
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