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Today's Topics:
1. X310 ordering question (via USRP-users)
2. Re: X310 ordering question (Michael West via USRP-users)
3. Re: X310 ordering question (Linnenkamp, Nicholas via USRP-users)
4. N2100 configuring and finding the device (or NI 2930)
(alejandro kilei via USRP-users)
5. Re: PCMCIA Express-card list for USRP B200
(Dominic H Weston via USRP-users)
6. failed ./usrpping (Riana Risnawati via USRP-users)
7. MIMO Sample misalignment (iftah giladi via USRP-users)
8. Using multiple USRPS on a single host
([email protected] via USRP-users)
9. Re: N2100 configuring and finding the device (or NI 2930)
(Marcus D. Leech via USRP-users)
10. Re: Using multiple USRPS on a single host
(Marcus D. Leech via USRP-users)
11. Re: MIMO Sample misalignment (Marcus M?ller via USRP-users)
12. UHD code understanding questions
(Adrian Martinez Gomez via USRP-users)
13. Unable to log in usrpe 110 to get access to gnuradio on
screen? (Wafa Elhajhmida via USRP-users)
14. Re: Unable to log in usrpe 110 to get access to gnuradio on
screen? (Wafa Elhajhmida via USRP-users)
15. Re: Unable to log in usrpe 110 to get access to gnuradio on
screen? (Philip Balister via USRP-users)
----------------------------------------------------------------------
Message: 1
Date: Tue, 27 May 2014 17:36:40 +0000 (UTC)
From: via USRP-users <[email protected]>
To: [email protected]
Subject: [USRP-users] X310 ordering question
Message-ID:
<180015220.1529500.1401212200204.javamail.r...@sz0114a.westchester.pa.mail.comcast.net>
Content-Type: text/plain; charset="utf-8"
If I want to use the 10Gb interface on the X310, do I just order 2 of the 10Gb
cable kits to get tranceivers for both ends (host computer and X310)?
Guessing that either the 10Gb or the 1Gb port on the back of the x310 is active
based upon which one has a transceiver within it?
Guessing there is nothing special to activate the 10Gb other than adding the
proper transceiver?
Thanks,
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Message: 2
Date: Tue, 27 May 2014 11:40:26 -0700
From: Michael West via USRP-users <[email protected]>
To: [email protected]
Cc: "[email protected]" <[email protected]>
Subject: Re: [USRP-users] X310 ordering question
Message-ID:
<CAM4xKroY_aDgj+Be=Apjx=svd_hedubsnc09ohfn+m8i7gq...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
The 10 GbE cables sold on the Ettus website have SFP+ transceiver
terminations on both ends, so you only need one cable (but having a backup
never hurts).
The FPGA image loaded on the X310 determines which ports are 1 GbE and 10
GbE. The default image (*HGS*) loaded on the device configures port 0 as a
1 GbE port and port 1 as a 10 GbE port.
Regards,
Michael E. West
Senior Software Design Engineer
Ettus Research
www.ettus.com
On Tue, May 27, 2014 at 10:36 AM, via USRP-users <[email protected]
> wrote:
> If I want to use the 10Gb interface on the X310, do I just order 2 of the
> 10Gb cable kits to get tranceivers for both ends (host computer and X310)?
>
> Guessing that either the 10Gb or the 1Gb port on the back of the x310 is
> active based upon which one has a transceiver within it?
>
> Guessing there is nothing special to activate the 10Gb other than adding
> the proper transceiver?
>
> Thanks,
>
> _______________________________________________
> USRP-users mailing list
> [email protected]
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>
>
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Message: 3
Date: Tue, 27 May 2014 19:16:26 +0000
From: "Linnenkamp, Nicholas via USRP-users"
<[email protected]>
To: "[email protected]" <[email protected]>
Subject: Re: [USRP-users] X310 ordering question
Message-ID:
<f12eb16eed10e34598b8204ce060869c0cebe...@rrc-ats-exmb2.ats.atsinnovate.com>
Content-Type: text/plain; charset="utf-8"
When the SFP+ modules are non-removable from the cable it is called a direct
attach cable.
Direct Attach Copper SFP+
Direct Attach Fiber SFP+
In theory it should be a simple enough process to plug in the SFP+ in the USRP
and the other SFP+ into your 10G NIC but sometimes there are slight issues due
to manufacturers hating on each other.
After plugging in the NIC card in linux you can issue the dmesg command and
grep for whatever 10G driver you are using. For example, the Intel 10G driver
is ?ixgbe?
dmesg | grep ixgbe
and it should tell you the status of the 10G port that you just plugged into
the slot. If it reports that it detected the SFP+ module but disabled it for
administrative reasons you may need to figure out what went wrong. Depending
on the SPF+ module you may need to enable ?unsupported_sfp? in the driver or
other quirky things. Overall I don?t think I spent more than an hour or two
consulting the internet to figure out how to get the new SFP+ to work on the
server side. I have never had a problem with the Ettus devices and SFP+
modules.
Without dmesg you are blindly searching around trying to figure out why things
are not working as expected.
If you run into issues then I?m certain that someone will be able to help.
Nicholas
From: USRP-users [mailto:[email protected]] On Behalf Of
Michael West via USRP-users
Sent: Tuesday, May 27, 2014 2:40 PM
To: [email protected]
Cc: [email protected]
Subject: Re: [USRP-users] X310 ordering question
The 10 GbE cables sold on the Ettus website have SFP+ transceiver terminations
on both ends, so you only need one cable (but having a backup never hurts).
The FPGA image loaded on the X310 determines which ports are 1 GbE and 10 GbE.
The default image (*HGS*) loaded on the device configures port 0 as a 1 GbE
port and port 1 as a 10 GbE port.
Regards,
Michael E. West
Senior Software Design Engineer
Ettus Research
www.ettus.com<http://www.ettus.com>
On Tue, May 27, 2014 at 10:36 AM, via USRP-users
<[email protected]<mailto:[email protected]>> wrote:
If I want to use the 10Gb interface on the X310, do I just order 2 of the 10Gb
cable kits to get tranceivers for both ends (host computer and X310)?
Guessing that either the 10Gb or the 1Gb port on the back of the x310 is active
based upon which one has a transceiver within it?
Guessing there is nothing special to activate the 10Gb other than adding the
proper transceiver?
Thanks,
_______________________________________________
USRP-users mailing list
[email protected]<mailto:[email protected]>
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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Message: 4
Date: Fri, 23 May 2014 18:54:13 -0600
From: alejandro kilei via USRP-users <[email protected]>
To: [email protected]
Subject: [USRP-users] N2100 configuring and finding the device (or NI
2930)
Message-ID:
<CAN6OAx3XGqE2tpJO4+V1Ujq=-jaocpurmiahhjp0+ovesyd...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
I am having trouble configuring the the N2100. UHD has been successfully
installed onto my ZYBO board, but it cannot find any UHD devices. I have
read a lot about people needing to burn the image and write the firmware
and FPGA onto the USRP. However, the problem I always encounter is being
able to find the device. I have tried the following commands (for both the
USRP devices N2100 and NI 2930 -- I have both devices in hopes that if I
couldn't figure it out on one, I could figure it out on the other) :
usrp_n2xx_net_burner.py , usrp_n2xx_net_burner_gui.py ,
and usrp2_card_burner. I can even find my images and firmware and FPGA
files that I want to write, but I always receive an empty list of possible
devices that I can write to. PLEASE HELP. I've been trying to figure out
why it cannot find any devices for days.
Thanks in advance for the help
Alejandro
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Message: 5
Date: Sat, 24 May 2014 21:02:53 -0400
From: Dominic H Weston via USRP-users <[email protected]>
To: [email protected]
Subject: Re: [USRP-users] PCMCIA Express-card list for USRP B200
Message-ID: <[email protected]>
Content-Type: text/plain; charset="windows-1252"
Have you tried pressing ?S700? - FX3 Hard Reset Switch when this happens?
Sometimes when I run a few different gnu radio-companion examples on my
MacBook Pro (USB3) it does the same thing. Unplug and replug the USB
worked as it did for you. Pressing S700 appears to do the same without
the wear and tear on your connectors. All: please be gentle if I am wrong.
Dom
------------------------------
Message: 6
Date: Mon, 26 May 2014 13:34:35 +0700
From: Riana Risnawati via USRP-users <[email protected]>
To: [email protected]
Subject: [USRP-users] failed ./usrpping
Message-ID:
<CAJ5Ux=1vykA9xMzAzrpfOwn-CMS4yBXzgaFw=gxgq=Ux=yi...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
hi, i want to ask something, when i run usrpping to check openbts the
result are :
root@riana-VirtualBox:/usr/local/src/openbts-2.8.0/openbts/trunk/Transceiver52M#
./USRPping
usrp_standard_tx::set_interp_rate: rate must be in [4, 512] and a multiple
of 4.
usrp_standard_tx: set_interp_rate failed
USRPping: /usr/include/boost/smart_ptr/shared_ptr.hpp:418: T*
boost::shared_ptr<T>::operator->() const [with T = usrp_standard_tx]:
Assertion `px != 0' failed.
Aborted (core dumped)
i read some reference, and it said "i must use openbts 2.8 old
version"because openbts doesn't support usrp. what is the meaning ? where
to find the old version of openbts 2.8 ? because i search in openbts.org but
i didn't find it.
do you know why this thing happen? how to solve this problem ?
i need your reply
thank you
riana
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Message: 7
Date: Tue, 27 May 2014 14:01:18 +0300
From: iftah giladi via USRP-users <[email protected]>
To: <[email protected]>
Subject: [USRP-users] MIMO Sample misalignment
Message-ID: <[email protected]>
Content-Type: text/plain; charset="us-ascii"
Hello all usrp users,
I am using a 2 usrp N200, connected with MIMO cable, and configured as MIMO,
using:
usrp -> set_time_source("mimo",0);
usrp -> set_clock_source("mimo",0);
on the slave device.
I am using a strem_cmd.stream_now = false;
And
Stream_cmd.time_spec = start_time;
And rx_stream->issue_stream_cmd(stream_cmd);
In order to make shore that both usrp start sampling together at the same
time
Furthermore I would expect the sample file from both usrp to be aligned,
after all they are using the mimo cable so there sampling clock is the same
One, isn't so?
So I did a test, and connected both of them to the same antenna with a short
equal length cable, and run the code to sample a wifi ping in the lab.
And with MATLAB I was surprised to see the misalignment in the sample
between the 2 files..(see attachment)
If this is the real case this system would not make a real mimo signal
processing as the channels are not synced in time and phase.
Would really appreciate to read your opinion of what is going on here.
What am I doing wrong?
Thanks head,
iftah
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Message: 8
Date: Tue, 27 May 2014 12:11:49 -0400
From: "[email protected] via USRP-users" <[email protected]>
To: [email protected]
Subject: [USRP-users] Using multiple USRPS on a single host
Message-ID:
<CANdbh960dMDjk6PFeupp_FCwQ2Ux=g11wpc7heVZjV76=gv...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi all,
I would like to be able to use two or more USRP2s on a single host
computer. Example, to be able to have two of the USRPs as receivers and one
as a transmitter. On ettus website it says I have to have two interface IPs
(192.168.10.1 and 192.168.20.1 and then 10.2 and 20.2 for the usrp
devices). But how can I have two interface IPs on my computer?
thanks
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Message: 9
Date: Tue, 27 May 2014 23:30:51 -0400
From: "Marcus D. Leech via USRP-users" <[email protected]>
To: [email protected]
Subject: Re: [USRP-users] N2100 configuring and finding the device (or
NI 2930)
Message-ID: <[email protected]>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
On 05/23/2014 08:54 PM, alejandro kilei via USRP-users wrote:
> I am having trouble configuring the the N2100. UHD has been
> successfully installed onto my ZYBO board, but it cannot find any UHD
> devices. I have read a lot about people needing to burn the image and
> write the firmware and FPGA onto the USRP. However, the problem I
> always encounter is being able to find the device. I have tried the
> following commands (for both the USRP devices N2100 and NI 2930 -- I
> have both devices in hopes that if I couldn't figure it out on one, I
> could figure it out on the other) : usrp_n2xx_net_burner.py ,
> usrp_n2xx_net_burner_gui.py , and usrp2_card_burner. I can
> even find my images and firmware and FPGA files that I want to write,
> but I always receive an empty list of possible devices that I can
> write to. PLEASE HELP. I've been trying to figure out why it cannot
> find any devices for days.
> Thanks in advance for the help
> Alejandro
>
>
> _______________________________________________
> USRP-users mailing list
> [email protected]
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
Is your board ethernet subsystem 1GiGe?
Do you have the ip address on your board ethernet set to 192.168.10.1
netmask 255.255.255.0?
What happens when you:
uhd_usrp_probe --args "addr=192.168.10.2"
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Message: 10
Date: Tue, 27 May 2014 23:36:08 -0400
From: "Marcus D. Leech via USRP-users" <[email protected]>
To: "[email protected]" <[email protected]>,
"[email protected]" <[email protected]>
Subject: Re: [USRP-users] Using multiple USRPS on a single host
Message-ID: <[email protected]>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
On 05/27/2014 12:11 PM, [email protected] via USRP-users wrote:
> Hi all,
> I would like to be able to use two or more USRP2s on a single host
> computer. Example, to be able to have two of the USRPs as receivers
> and one as a transmitter. On ettus website it says I have to have two
> interface IPs (192.168.10.1 and 192.168.20.1 and then 10.2 and 20.2
> for the usrp devices). But how can I have two interface IPs on my
> computer?
>
> thanks
>
>
> _______________________________________________
> USRP-users mailing list
> [email protected]
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
If you want to run those USRP2s at full-rate, then you need 1 GiGe
interface card per USRP. However, if that isn't the case, then you can
stack multiple USRP onto a single port with a 1GiGe switch, and
assign you USRPs addresses on the same subnet (192.168.10.2, 192.168.10.3,
192.168.10.4, etc).
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Message: 11
Date: Wed, 28 May 2014 08:52:45 +0200
From: Marcus M?ller via USRP-users <[email protected]>
To: iftah giladi <[email protected]>, iftah giladi via USRP-users
<[email protected]>, [email protected]
Subject: Re: [USRP-users] MIMO Sample misalignment
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
Hi iftah,
Have you tried explicitly setting the time using "set_time_next_pps"?
Greetings,
Marcus
On May 27, 2014 1:01:18 PM CEST, iftah giladi via USRP-users
<[email protected]> wrote:
>Hello all usrp users,
>
>
>
>I am using a 2 usrp N200, connected with MIMO cable, and configured as
>MIMO,
>using:
>
>
>
>usrp -> set_time_source("mimo",0);
>
>usrp -> set_clock_source("mimo",0);
>
>
>
>on the slave device.
>
>
>
>I am using a strem_cmd.stream_now = false;
>
>And
>
>Stream_cmd.time_spec = start_time;
>
>And rx_stream->issue_stream_cmd(stream_cmd);
>
>In order to make shore that both usrp start sampling together at the
>same
>time
>
>
>
>Furthermore I would expect the sample file from both usrp to be
>aligned,
>after all they are using the mimo cable so there sampling clock is the
>same
>
>One, isn't so?
>
>
>
>So I did a test, and connected both of them to the same antenna with a
>short
>equal length cable, and run the code to sample a wifi ping in the lab.
>
>And with MATLAB I was surprised to see the misalignment in the sample
>between the 2 files..(see attachment)
>
>If this is the real case this system would not make a real mimo signal
>processing as the channels are not synced in time and phase.
>
>
>
>Would really appreciate to read your opinion of what is going on here.
>
>What am I doing wrong?
>
>
>
>Thanks head,
>
>iftah
>
>
>
>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>USRP-users mailing list
>[email protected]
>http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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Message: 12
Date: Wed, 28 May 2014 12:02:59 +0200
From: Adrian Martinez Gomez via USRP-users
<[email protected]>
To: [email protected]
Subject: [USRP-users] UHD code understanding questions
Message-ID:
<cabefxydphdnn29ufmesogof8v5yjnyt7yrag8zk83af0j7+...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Dear USRP users,
I have a question regarding the structure of the code for the N210, which I
hope can be answered by someone from Ettus.
1) When setting usrp->set_rx_gain() to a gain, I know that uhd_usrp_probe
will give me the gain range I can set in that variable. I have read the
function set_rx_gain in the multi_usrp.cpp file, but it's still not clear
what's done there.
My question is, what gain am I setting there specifically? Is it a gain in
the FPGA code that affects the ddc_chain module? If yes, where?
I have only been using the example rx_samples_to_file, and I would like to
know the meaning of that gain every time I use it.
2) I read and did a hand-drawn schematic of the DDC chain (ddc_chain.v
file), and DUC (duc_chain.v), and altough I am new to Verilog I grasped the
main ideas there.
However, is there a documentation I have missed explaining the DSP in the
USRPs FPGA? I found this one [1] for the USRP2, but it would be nice to
have something updated for the N210.
It would be nice to know what filters are used, what every module does, etc
without having to dive into the Verilog (which again, is sometimes very
hard to understand for someone new to the language).
Regards,
Adrian.
[1] http://gnuradio.org/redmine/projects/gnuradio/wiki/UsrpFAQIntroFPGA
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Message: 13
Date: Wed, 28 May 2014 11:16:03 +0200
From: Wafa Elhajhmida via USRP-users <[email protected]>
To: Marcus M?ller <[email protected]>, Marcus Leech
<[email protected]>, discuss-gnuradio
<[email protected]>,
Ettus Research Support <[email protected]>,
[email protected], usrp-users-request
<[email protected]>
Subject: [USRP-users] Unable to log in usrpe 110 to get access to
gnuradio on screen?
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<cadhj1tv9zwvyq9udoft0h_-51pvw9d8tft53k-0u_ee0mq+...@mail.gmail.com>
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Hi,
I made a reboot of the usrp e110. I got on the screen a button login.
But I'm unable to login with a mouse. In fact, the mouse doesn't work on
usrp. But the mouse works well on my laptop.
In fact, I even connected the mouse directly to a usrp e100 with a cable
which is provided by Ettus(on host port).
According to you what can be the problem ?
Best regards,
Wafa HAJ HMIDA
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Message: 14
Date: Wed, 28 May 2014 14:03:58 +0200
From: Wafa Elhajhmida via USRP-users <[email protected]>
To: Marcus M?ller <[email protected]>, Marcus Leech
<[email protected]>, discuss-gnuradio
<[email protected]>,
Ettus Research Support <[email protected]>,
[email protected], usrp-users-request
<[email protected]>
Subject: Re: [USRP-users] Unable to log in usrpe 110 to get access to
gnuradio on screen?
Message-ID:
<cadhj1tvpeagqt6jz_3sg4b206ribleouyvgt6cleq54m1ax...@mail.gmail.com>
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Please any suggestion is appreciated.
Thanks in advance.
Best regards,
Wafa HAJ HMIDA
2014-05-28 11:16 GMT+02:00 Wafa Elhajhmida <[email protected]>:
> Hi,
>
> I made a reboot of the usrp e110. I got on the screen a button login.
>
> But I'm unable to login with a mouse. In fact, the mouse doesn't work on
> usrp. But the mouse works well on my laptop.
>
> In fact, I even connected the mouse directly to a usrp e100 with a cable
> which is provided by Ettus(on host port).
>
> According to you what can be the problem ?
>
> Best regards,
>
> Wafa HAJ HMIDA
>
>
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Message: 15
Date: Wed, 28 May 2014 09:12:40 -0400
From: Philip Balister via USRP-users <[email protected]>
To: Wafa Elhajhmida <[email protected]>,
[email protected]
Subject: Re: [USRP-users] Unable to log in usrpe 110 to get access to
gnuradio on screen?
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1
On 05/28/2014 05:16 AM, Wafa Elhajhmida via USRP-users wrote:
> Hi,
>
> I made a reboot of the usrp e110. I got on the screen a button login.
>
> But I'm unable to login with a mouse. In fact, the mouse doesn't work on
> usrp. But the mouse works well on my laptop.
What does lsusb show?
Do you see any messages when you run dmesg?
Philip
>
> In fact, I even connected the mouse directly to a usrp e100 with a cable
> which is provided by Ettus(on host port).
>
> According to you what can be the problem ?
>
> Best regards,
>
> Wafa HAJ HMIDA
>
>
>
> _______________________________________________
> USRP-users mailing list
> [email protected]
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>
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