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Re: [Discuss-gnuradio] RuntimeError: bad lexical cast: source type value


From: Tobias Schmid
Subject: Re: [Discuss-gnuradio] RuntimeError: bad lexical cast: source type value could not be interpreted as target
Date: Wed, 8 Dec 2010 09:20:36 +0100 (CET)

I now rebuild uhd and gnuradio.
But the error still occurs.

Running uhd_find_devices I get the following outputs:

linux; GNU C++ version 4.4.1 [gcc-4_4-branch revision 150839]; Boost_103900; 
UHD_0001.20101204162446.a51fb2e


Warning:
 Could not locate USRP1 firmware.
 Please install the images package.
 
--------------------------------------------------
-- UHD Device 0
--------------------------------------------------
Device Address:
 type: usrp2
 addr: 192.168.10.2
 name: 
 serial: 00:50:c2:85:32:6b


:/home/gnuradio/gnuradio/uhd/host/utils> uhd_find_devices 
linux; GNU C++ version 4.4.1 [gcc-4_4-branch revision 150839]; Boost_103900; 
UHD_0001.20101204162446.a51fb2e


Warning:
 Could not locate USRP1 firmware.
 Please install the images package.
 
--------------------------------------------------
-- UHD Device 0
--------------------------------------------------
Device Address:
 type: usrp2
 addr: 192.168.10.3
 name: 
 serial: 00:50:c2:85:32:66

Should I assign another IP address to the devices?
It's also posslible to build up a SIS0 transmission with both USRPs.

But if I use the uhd_multi_usrp_source block, I get the same error as before:


Generating: "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py"

Generating: "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py"

Executing: "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py"

linux; GNU C++ version 4.4.1 [gcc-4_4-branch revision 150839]; Boost_103900; 
UHD_0001.20101204162446.a51fb2e

Current recv sock buff size: 50000000 bytes

Warning:
 error in pthread_setschedparam
 Failed to set thread priority 0.5 (realtime):
 Performance may be negatively affected.
 See the general application notes.
 

>>> Done

Generating: "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py"

Generating: "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py"

Executing: "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py"

linux; GNU C++ version 4.4.1 [gcc-4_4-branch revision 150839]; Boost_103900; 
UHD_0001.20101204162446.a51fb2e

Current recv sock buff size: 50000000 bytes
Current recv sock buff size: 50000000 bytes
Traceback (most recent call last):
 File "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py", line 
96, in <module>
 tb = uhd_test()
 File "/home/tobias/Diplomarbeit/Implementierung/Blocktest/uhd_test.py", line 
36, in __init__
 num_channels=2,
 File "/usr/local/lib/python2.6/site-packages/gnuradio/uhd/uhd_swig.py", line 
1031, in multi_usrp_source
 return _uhd_swig.multi_usrp_source(*args, **kwargs)
RuntimeError: bad lexical cast: source type value could not be interpreted as 
target

>>> Done

I hope I didn't ignore anything important.

Tobias




-----Urspr√ľngliche Nachricht-----
Von: "Tobias Schmid" <address@hidden>
Gesendet: 07.12.2010 16:04:22
An: address@hidden, address@hidden
Betreff: Re: [Discuss-gnuradio] RuntimeError: bad lexical cast: source type 
value could not be interpreted as target

>I tried to rebuild gnuradio, but now the uhd module is not found anymore.
>So how do I rebuild my enviroment correctly?
>
>What I did is:
>
>In the uhd directory /host/build/ I did:
>
>make unistall
>make clean
>cd ..
>cd ..
>git pull
>cd /host/build/
>make
>make test (all tests passed)
>make install
>
>In the gburadio directory I did:
>
>make unistall
>make clean
>make distclean
>git pull
>git checkout next
>git pull
>git checkout master
>./configure
>make
>make check
>make install
>
>
>Is that right so far?
>
>Or is it necessary to delete some files by hand?
>  Futhermore I do not have the same uhd blocks availible in grc.
>I have just the older uhd blocks.
>
>I am able to probe both usrp individually.
>The device arguments are 192.168.10.2 and 192.168.10.3.
>Is that correct so far.
>
>I guess, that I have some older versions of symbolic links in my pythonpath.
>Do you think that might be a possible reason?
>If so, which directories can be deleted?
>
>Thanks,
>
>Tobias
>
>Am 02.12.2010 20:42, schrieb Josh Blum:
>> I could not replicate the problem with the uhd_multi_usrp_source block.
>> I only had a single usrp to test with, I can try out multiple next week
>> when I get back to the office.
>>
>> Is it possible you have some weird device address arguments? My only two
>> guesses are eeprom map parsing or some weird device address. When you
>> ran the probe app, were you able to probe both usrps individually? That
>> would let me know that the eeprom parsing works fine on both boards.
>>
>> Can you rebuilt gnuradio after rebuilding UHD just to be sure were not
>> looking at some ABI change.
>>
>> -Josh
>>
>> On 12/01/2010 03:00 AM, Tobias Schmid wrote:
>>    
>>> Hello,
>>>
>>> sorry I had been out of office for some days.
>>>
>>> When I run uhd_usrp_probe the error doesn't occur.
>>> And using uhd.single_usrp_source doesn't occur either.
>>>
>>> The complete output of the terminal is:
>>>
>>> linux; GNU C++ version 4.4.1 [gcc-4_4-branch revision 150839];
>>> Boost_103900; UHD_0001.20101124180824.2568efd
>>>
>>> Current recv sock buff size: 50000000 bytes
>>> Current recv sock buff size: 50000000 bytes
>>> Traceback (most recent call last):
>>>    File "/home/gnuradio/Desktop/top_block.py", line 95, in<module>
>>>      tb = top_block()
>>>    File "/home/gnuradio/Desktop/top_block.py", line 35, in __init__
>>>      num_channels=2,
>>>    File
>>> "/usr/local/lib/python2.6/site-packages/gnuradio/uhd/uhd_swig.py", line
>>> 1023, in multi_usrp_source
>>>      return _uhd_swig.multi_usrp_source(*args, **kwargs)
>>> RuntimeError: bad lexical cast: source type value could not be
>>> interpreted as target
>>>
>>> The error also occurs when using udh.multi_usrp_sink.
>>> Maybe that could be another hint.
>>>
>>> By the way, what do I have to do to run a discontinous data transmission
>>> using uhd.single_usrp_source.
>>> I implemented some ARQ-protocols using USRP driver. Now I wanted to
>>> upgreade these applications, but it doesn't work well.
>>>
>>> Thanks,
>>>
>>> Tobias
>>>
>>> Am 26.11.2010 17:53, schrieb Josh Blum:
>>>      
>>>> boost lexical cast doesnt have a very telling error does it...
>>>>
>>>> Can you send me the complete verbose?
>>>>
>>>> Does the error happen when you run uhd_usrp_probe?
>>>>
>>>> Howabout uhd.single_usrp_source?
>>>>
>>>> Does GDB give any hint as to where the exception is thrown?
>>>>
>>>> Thanks,
>>>> -Josh
>>>>
>>>> On 11/26/2010 04:05 AM, Tobias Schmid wrote:
>>>>
>>>>        
>>>>> Hello,
>>>>>
>>>>> I'm trying to use 2 USRP2 using the UHD Driver.
>>>>> My version is the git version of yesterday.
>>>>>
>>>>> But when I'm trying to build a flowgraph using grc,
>>>>> gnuradio isn't able to run the generated code.
>>>>>
>>>>> The following error occurs:
>>>>>
>>>>> RuntimeError: bad lexical cast: source type value could not be
>>>>> interpreted as target
>>>>>
>>>>> And this is the generated code:
>>>>>
>>>>> self.uhd_multi_usrp_source_0 = uhd.multi_usrp_source(
>>>>> device_addr="addr=192.168.10.2 192.168.10.3",
>>>>> io_type=uhd.io_type_t.COMPLEX_FLOAT32,
>>>>> num_channels=2,
>>>>> )
>>>>> _clk_cfg = uhd.clock_config_t()
>>>>> _clk_cfg.ref_source = uhd.clock_config_t.REF_SMA
>>>>> _clk_cfg.pps_source = uhd.clock_config_t.PPS_SMA
>>>>> _clk_cfg.pps_polarity = uhd.clock_config_t.PPS_POS
>>>>> self.uhd_multi_usrp_source_0.set_clock_config(_clk_cfg,
>>>>> uhd.ALL_MBOARDS);
>>>>> self.uhd_multi_usrp_source_0.set_time_unknown_pps(uhd.time_spec_t())
>>>>> self.uhd_multi_usrp_source_0.set_samp_rate(1000000)
>>>>> self.uhd_multi_usrp_source_0.set_center_freq(2450000000, 0)
>>>>> self.uhd_multi_usrp_source_0.set_gain(20, 0)
>>>>> self.uhd_multi_usrp_source_0.set_center_freq(2450000000, 1)
>>>>> self.uhd_multi_usrp_source_0.set_gain(20, 1)
>>>>>
>>>>> Can someone help me solving this problem?
>>>>>
>>>>> Best regards,
>>>>>
>>>>> Tobias
>>>>>
>>>>>
>>>>>
>>>>> Neu: WEB.DE De-Mail - Einfach wie E-Mail, sicher wie ein Brief!
>>>>> Jetzt De-Mail-Adresse reservieren: https://produkte.web.de/go/demail02
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Discuss-gnuradio mailing list
>>>>> address@hidden
>>>>> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>>>
>>>>>          
>>>> _______________________________________________
>>>> Discuss-gnuradio mailing list
>>>> address@hidden
>>>> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>>
>>>>
>>>>        
>>>      
>
>
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