[Discuss-gnuradio] help on exception on using the uhd.dll i think...

2014-04-17 Thread iftah giladi
Hey,

 

In order to start my on application code using the uhd code, I tried
creating a new blank project ,and did all

The necessary includes, and library include in the linker an compiler and so
on..

As a starter I copied the uhd_find_devices.cpp to my project lib and build
it.

 

It's run o.k , and then I tried to use the exe and it has this exception:

 

First-chance exception at 0x0f62763b in uhd_find_devices.exe: 0xC005:
Access violation reading location 0x02796000

 

What can I do next??

 

Thanks,

iftah

 

 

 

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Re: [Discuss-gnuradio] help on exception on using the uhd.dll i think...

2014-04-17 Thread Marcus Müller
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hi Iftah,
usually you'd run it with a debugger, and try to find out where
exactly the access violation happens.

Greetings,
Marcus

On 17.04.2014 16:12, iftah giladi wrote:
 Hey,
 
 
 
 In order to start my on application code using the uhd code, I
 tried creating a new blank project ,and did all
 
 The necessary includes, and library include in the linker an
 compiler and so on..
 
 As a starter I copied the uhd_find_devices.cpp to my project lib
 and build it.
 
 
 
 It's run o.k , and then I tried to use the exe and it has this
 exception:
 
 
 
 First-chance exception at 0x0f62763b in uhd_find_devices.exe:
 0xC005: Access violation reading location 0x02796000
 
 
 
 What can I do next??
 
 
 
 Thanks,
 
 iftah
 
 
 
 
 
 
 
 
 
 
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Re: [Discuss-gnuradio] help on exception on using the uhd.dll i think...

2014-04-17 Thread Marcus Müller
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Hash: SHA1

Hi Iftah,

as for the building part, you seem to be doing fine.
I'm a little perplexed, actually.
Maybe it's something like
http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2013-September/007415.html

where the solution was not to mix debug and release build symbols of UHD.

Greetings,
Marcus

On 17.04.2014 18:17, iftah giladi wrote:
 Well,
 
 The exception happens on this line:
 
 uhd::device_addrs_t device_addrs = 
 uhd::device::find(vm[args].asstd::string());
 
 the exception is: First-chance exception at 0x0f62763b in
 uhd_find_devices.exe: 0xC005: Access violation reading location
 0x02796000
 
 p.s: maybe It will help if you'll write down the basic steps needed
 in order to be able to build one of the example code on your on
 
 Thanks, iftah
 
 -Original Message- From:
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 17, 2014 7:01 PM To: discuss-gnuradio@gnu.org Subject:
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 Today's Topics:
 
 1. Re: Error rate block with USRP (Azza) 2. Re: Error rate
 block with USRP (Tom Rondeau) 3. Re: Error rate block with USRP
 (Azza) 4. Re: Error rate block with USRP (Azza) 5. ctest -V
 segfault, coredump reveals nothing (kkarranc) 6. Re: ctest -V
 segfault, coredump reveals nothing (Martin Braun) 7. Re: ctest -V
 segfault, coredump reveals nothing (Kiran Karra) 8. Re: ctest -V
 segfault, coredump reveals nothing (West, Nathan) 9. Re: ctest -V
 segfault, coredump reveals nothing (Kiran Karra) 10. Digital voice
 encryption block (Tigor Christian) 11. How to Access Received Data
 for Use In Changing   RX Parameters (Jonathan Fox) 12. Digital voice
 encryption block (Tigor Christian) 13. Re: dvb-t project with two
 USRPN200 devices  failure (Nasi) 14.  Digital voice encryption block
 (Tigor Christian) 15. help on exception on using the uhd.dll i
 think... (iftah giladi) 16. Re: help on exception on using the
 uhd.dll i think... (Marcus M?ller) 17. Re: Digital voice encryption
 block (Ralph A. Schmid, dk5ras) 18. Re: Digital voice encryption
 block (Nowlan, Sean) 19. Re: Digital voice encryption block (Marcus
 M?ller) 20. Re: Error rate block with USRP (Tom Rondeau) 21.
 Developer Call today at 1700 UTC (Philip Balister)
 
 
 --

  Message: 1 Date: Wed, 16 Apr 2014 11:06:48 -0700 (PDT) From: Azza
 azza.ben.mos...@gmail.com To: Discuss-gnuradio@gnu.org Subject:
 Re: [Discuss-gnuradio] Error rate block with USRP Message-ID:
 1397671608491-47630.p...@n7.nabble.com Content-Type: text/plain;
 charset=us-ascii
 
 Tom Rondeau-2 wrote
 On Wed, Apr 16, 2014 at 10:57 AM, Azza lt;
 
 azza.ben.mosbah@
 
 gt; wrote:
 
 Thank you. I have taken out the throttle block and add an AGC
 block at the receiver. To proceed with the synchronization,
 should I use a Constellation Receiver block or a Polyphase
 Clock Sync block ?
 
 Kind regards, Azza
 
 
 
 You'll actually need both. AGC - clock sync - constellation
 receiver (phase/freq recovery and decoding).
 
 Also, please reply in-line with the rest of the message. By
 cutting off the other part of our conversation makes it difficult
 for others to follow the thread.
 
 Tom
 
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 Thank you. I have added modifications to my flowgraph: 
 http://gnuradio.4.n7.nabble.com/file/n47630/gnu-ber-modified.png
  But, I am still confused about minimum/maximum frequency deviation
 in the Constellation Receiver block. How should it be set?
 
 Regards, Azza
 
 
 
 -- View this message in context: 
 http://gnuradio.4.n7.nabble.com/Error-rate-block-with-USRP-tp47625p47630.htm

 
l
 Sent from the GnuRadio mailing list archive at Nabble.com.
 
 
 
 --
 
 Message: 2 Date: Wed, 16 Apr 2014 14:54:28 -0400 From: Tom Rondeau
 t...@trondeau.com To: Azza azza.ben.mos...@gmail.com Cc:
 GNURadio Discussion List Discuss-gnuradio@gnu.org Subject: Re:
 [Discuss-gnuradio] Error rate block with USRP Message-ID: 
 CA+SzT6giaVFmZzfMJt7GCaRrXBYK=ngxose46l-zozvrmti...@mail.gmail.com

 
Content-Type: text/plain; charset=iso-8859-1
 
 On Wed, Apr 16, 2014 at 2:06 PM, Azza azza.ben.mos...@gmail.com
 wrote:
 
 Tom Rondeau-2 wrote