After getting UHD_ERROR_IO, I stop receiving data and have to reopening then
device
(uhd_rx_streamer_free,uhd_usrp_free,uhd_usrp_make,uhd_rx_streamer_make,uhd_usrp_get_rx_stream
and other).
My questionIf I can call a function uhd_usrp_get_time_now inside streaming why
occurs error that discribe ea
Dear Hanqing,
I got the same error as what you described in your email. Did you solve that
problem by yourself? If yes, would you mind telling me how to solve that?
Many thanks in advanced.
Regards,
Jonathan
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Thank you Marcus once again, crystal clear now.
2018-03-21 16:17 GMT+01:00 Marcus D. Leech via USRP-users <
usrp-users@lists.ettus.com>:
> On 03/21/2018 03:51 AM, Brais Ares via USRP-users wrote:
>
> Hi,
>
> I can see a similar spike, a few microseconds long, at the beggining of
> each transmiss
Hi all,
when working with RFNoC at 200 MSps on the X310 using 10GbE I experience
overruns when using less than 512 samples per packet (spp).
A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with the
spp stream arg set at the RFNoC Radio block shows the following network
utiliza
On 03/22/2018 09:45 AM, Sebastian Leutner via USRP-users wrote:
Hi all,
when working with RFNoC at 200 MSps on the X310 using 10GbE I
experience overruns when using less than 512 samples per packet (spp).
A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with
the spp stream arg
Пересылаемое сообщение
От: Андрей 1
Дата: 22.03.2018, 10:03
Кому: Usrp Users
Тема: RE: RE: Command inside streaming
After getting UHD_ERROR_IO, I stop receiving data and have to reopening then
device
(uhd_rx_streamer_free,uhd_usrp_free,uhd_usrp_make,uhd_rx_streamer_make,uhd_usr
Hi all,
when working with RFNoC at 200 MSps on the X310 using 10GbE I
experience overruns when using less than 512 samples per packet (spp).
A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with
the spp stream arg set at the RFNoC Radio block shows the following
network utilizatio
Hello,
First of all I would like to mention that I am not sure if this is the right
location to ask these type of questions. However, I tried to find answers to my
questions elsewhere but couldn't find a better suited location, so I hope I'm
not at the wrong address and causing too much clutter
On 03/22/2018 12:41 PM, Sebastian Leutner via USRP-users wrote:
Hi all,
when working with RFNoC at 200 MSps on the X310 using 10GbE I
experience overruns when using less than 512 samples per packet (spp).
A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with
the spp stream arg se
Replies inline.
On Thu, Mar 22, 2018 at 9:48 AM TIMMEN Koen via USRP-users <
usrp-users@lists.ettus.com> wrote:
> Hello,
>
>
>
> First of all I would like to mention that I am not sure if this is the
> right location to ask these type of questions. However, I tried to find
> answers to my questio
We are currently using a TwinRX daughterboard on a X310 USRP. We have had
little success using rfnoc-devel branches of UHD (software and FPGA
repositories) with the TwinRX card. Using the latest rfnoc-devel code, the
TwinRX card only works (i.e., we see our signal coming from the radio) about
Hello Adams,
Yes, the TwinRX Rev A and B work with RFNoC, but the rfnoc-devel branch may
currently have some regressions. We are in the process of updating the
rfnoc-devel branch with many changes from the master branch including
support for the TwinRX Rev C. We will be doing regression testing of
Hi all,
when working with RFNoC at 200 MSps on the X310 using 10GbE I
experience overruns when using less than 512 samples per packet (spp).
A simple flow graph [RFNoC Radio] -> [RFNoC FIFO] -> [Null sink] with
the spp stream arg set at the RFNoC Radio block shows the following
network utilizatio
Hello -
I am using the USRP b210 but this questions can be for all USRPs. Do they
provide time tagging of the data transmitted and received or is that something
that I would have to create myself.
Thanks,
Daniel Cho
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Yes, the data is timestamped. By default it will be times relative to when
the USRP was first turned on, but the set_time_next_pps function can be
used to align the internal time with an external or GPSDO based reference.
http://files.ettus.com/manual/page_sync.html#sync_time
There are examples f
I am trying to run the following RFNoC OFDM example on an X310 device:
https://github.com/EttusResearch/gr-ettus/blob/master/examples/rfnoc/rfnoc_ofdm.grc
I am using the virtual source on the receiver side as an input to the OFDM
Schmidl-Cox Sync block, but am getting a timeout. I saw that this i
Hi Sebastian,
> Do you think that it would suffice to change the packet size at my last
RFNoC block before the host? I will try out the already available
packet_resizer block tomorrow.
Yes, this is probably the easiest solution. But, if you're not opposed to
custom HDL, an alternate option could
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