Re: Sending Only Real Values with USRP N210 and LFTX/RX

2025-01-15 Thread Marcus D. Leech
On 15/01/2025 07:01, Wenning, Nils wrote: Hi everyone, I have a question that might be quite basic: I am using a USRP N210 equipped with the LFTX and LFRX daughterboards. For my application, I require a sample rate of 33.33 MSps. However, as soon as I increase the sample rate from 25 MSps to

[USRP-users] Re: Incorrect disk throughput measurement in rx_samples_to_file

2025-01-14 Thread Marcus D. Leech
On 14/01/2025 11:40, Eugene Grayver wrote: Hi, The rx_samples_to_file example uses 'dd' to estimate disk throughput. It is not done correctly.  The code below uses /dev/random as the data source.  This was OK for old SATA drives, but for fast NMVE drives the rate is limited by the random numb

[USRP-users] Re: X310 clock signal for aliasing (BasicRX daughter board)

2025-01-07 Thread Marcus D. Leech
On 08/01/2025 01:47, frie...@free.fr wrote: My understanding is that the clock signal fed to the daughter-cards is typically some fraction of the master_clock   frequency, and is designed to provide a REF signal for synthesizers, etc.   It should be synchronized to the   ADC clocks, but won't

[USRP-users] Re: X310 Bursts/Buffering with Timestamp data

2025-01-05 Thread Marcus D. Leech
On 05/01/2025 17:19, cjohn...@serranosystems.com wrote: I hope everyone had a good holiday break! Would you mind providing some guidance on the 3 questions? Thanks ___ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe send an ema

[USRP-users] Re: Running user application in X410

2025-01-02 Thread Marcus D. Leech
on the X410--it has all the tooling like Make, GCC, UHD and other important  libraries already on the system image. On 1/2/25 13:10, Marcus D. Leech wrote: On 02/01/2025 12:56, Sakthivel Velumani wrote: Hi, I am wondering if the user can run a custom linux application on the ARM cores t

[USRP-users] Re: Running user application in X410

2025-01-02 Thread Marcus D. Leech
led in the system image on the X410. Go into Python3 and import uhd That should work. On 1/2/25 13:10, Marcus D. Leech wrote: On 02/01/2025 12:56, Sakthivel Velumani wrote: Hi, I am wondering if the user can run a custom linux application on the ARM cores that can offload certain tasks to

[USRP-users] Re: Running user application in X410

2025-01-02 Thread Marcus D. Leech
On 02/01/2025 12:56, Sakthivel Velumani wrote: Hi, I am wondering if the user can run a custom linux application on the ARM cores that can offload certain tasks to the PL? or does the RFNoC core implementation allow a RFNoC block to interact with an application on the PS via the AXI interface

Re: GNU Radio textbook publication announcement

2024-12-30 Thread Marcus D. Leech
On 30/12/2024 19:52, Marcus Müller wrote: Congratulations! This is an excellent development. If y'all do a 2nd edition, would you consider a chapter on Radio Astronomy and Gnu Radio?  I mean, I want to do an   entire book on the subject, but a chapter on the subject in a larger treatise might

[USRP-users] Re: Thanks for a decade of professional fun! (Or: so long, and see you around!)

2024-12-30 Thread Marcus D. Leech
will be hosted by CCERA at Carp. If we start convincing Neel now…) Our facility isn't big enough to host a GRCon, sadly. On 30.12.24 20:03, Marcus D. Leech wrote: On 30/12/2024 13:58, Marcus Müller wrote: Hello USRP-Users, when I started hanging around on this mailing list in 20

[USRP-users] Re: Thanks for a decade of professional fun! (Or: so long, and see you around!)

2024-12-30 Thread Marcus D. Leech
On 30/12/2024 13:58, Marcus Müller wrote: Hello USRP-Users, when I started hanging around on this mailing list in 2013, I wouldn't have thought that I'd still be around eleven years later. But me asking about sporadic signal issues after retuning, which I would later be able to attribute to

Re: gnuradio 3.8 and osmosdr installation

2024-12-30 Thread Marcus D. Leech
22.04. On Mon, Dec 30, 2024 at 10:32 PM Marcus D. Leech wrote: On 30/12/2024 11:56, debanka giri wrote: I am using ubuntu For Ubuntu >= 22.04 sudo apt install gnuradio gr-osmosdr Should do it.  That will install a "modern" Gnu Radio ecosystem. On

Re: gnuradio 3.8 and osmosdr installation

2024-12-30 Thread Marcus D. Leech
On 30/12/2024 11:56, debanka giri wrote: I am using ubuntu For Ubuntu >= 22.04 sudo apt install gnuradio gr-osmosdr Should do it.  That will install a "modern" Gnu Radio ecosystem. On Mon, 30 Dec, 2024, 10:25 pm Franco VENTURI, wrote: Debanka, if you are on Windows you could tr

[USRP-users] Re: X310 clock signal for aliasing (BasicRX daughter board)

2024-12-20 Thread Marcus D. Leech
On 20/12/2024 13:44, frie...@free.fr wrote: I am investigating chopping a signal with a fast track and hold to bring a microwave signal to baseband without relying on a mixer (I can explain why if needed but I'll skip this background part for the moment). To achieve this result I would like to f

[USRP-users] Re: Sampling channels at different rates

2024-12-16 Thread Marcus D. Leech
On 16/12/2024 14:24, Brian Padalino wrote: My guess is that you're going through another Halfband FIR filter somewhere, so there is group delay that isn't being accounted for in the digital filters. What is the lag (in samples) of the lower rate sampled signal? Brian That was my other thou

[USRP-users] Re: Sampling channels at different rates

2024-12-16 Thread Marcus D. Leech
On 16/12/2024 13:47, Christophe Grimault wrote: I followed your advice and I'm getting closer !-) I tried this : usrp = uhd.usrp.MultiUSRP(f"addr=192.168.30.2") duration =10.0 start_time_spec = uhd.libpyuhd.types.time_spec(usrp.get_time_now().get_real_secs() +1.0) rx_rates = [390625.0*2,3906

[USRP-users] Re: N300 device not found

2024-12-16 Thread Marcus D. Leech
On 16/12/2024 03:18, yibinden...@outlook.com wrote: Hi all, I encountered some issues while configuring the N300. The N300 responds to my ping requests, but the host cannot find the device using uhd_find_devices while correctly detecting b210 devices. I referred to this post on StackOverflo

[USRP-users] Re: Sampling channels at different rates

2024-12-16 Thread Marcus D. Leech
On 16/12/2024 09:44, Christophe Grimault wrote: Hello Brian, Thank you for this quick answer. So I guess this is not a limitation related to using Python vs C++/boost ? Right ? I understand that using the same streamer is tricky. Concerning your advice to go with 2 streamers, you think thi

Re: "L" error for using file_sink blocks.

2024-12-12 Thread Marcus D. Leech
On 12/12/2024 12:16, Yan, Bixing (UT-EEMCS) wrote: Hi, I am using USRP X440 to build a wireless communication prototype. The host PC is equipped with i9-14900K and I am trying to use two transmit channels and two receive channels of the USRP simultaneously. I feed two generated signal to two

[USRP-users] Re: Why is IQ cal disabled when using external LO

2024-12-10 Thread Marcus D. Leech
On 10/12/2024 13:42, Eugene Grayver wrote: Hi, I just noticed that the calibration tables are disabled/ignored when external LO is used.  Why is that?  I understand that the automatic calibration utilities will not work (over frequency). However, we are generating those tables ourselves, and

[USRP-users] Re: Blocker issue with NI-2943R (=Ettus x310) PCIe connectivity

2024-12-10 Thread Marcus D. Leech
On 10/12/2024 11:44, Martin Braun wrote: BTW, if you are able to get a 10 GbE card, you can exceed the rates of the PCIe link, with almost no downsides compared to PCIe. --M I will second this.   10GiGe cards for PCs are not expensive these days, neither are the SFP+ optical transceivers.  S

[USRP-users] Re: Finding a case for the white B200

2024-12-08 Thread Marcus D. Leech
On 08/12/2024 22:01, Maurycy Z wrote: Does anyone know where I could find a case for the older white PCB USRP B200? I can't find one on the Ettus site. They don't exist.  By the time NI/Ettus started making cases for the B200, the white-PCB B200 was already   supplanted by the newer boards w

[USRP-users] Re: Under and Overflow Problems Very Regular

2024-12-06 Thread Marcus D. Leech
perhaps "OnDemand") should be doing just fine at considerably more   than 2.5Msps. Something I forgot to clarify.  What OS?  If Linux, are you running it in a VM, or on "bare metal"?? ------------ *From:* Marcus D.

[USRP-users] Re: Under and Overflow Problems Very Regular

2024-12-05 Thread Marcus D. Leech
On 05/12/2024 18:15, Arnaldo Sans wrote: Hello Team, I am operating a set of X310 in communication link, and I seem to be encountering data under and overflow problems very regular while operating at 2.5Msps… my target is at least 100MSps.  Are there any suggestions you can offer?  My MCR is

[USRP-users] Re: Benchmarking x410 with Mellanox with DPDK

2024-12-05 Thread Marcus D. Leech
interfaces on your X410 that are connected to your host.   This will confirm basic network connectivity independent of DPDK. On Thu, Dec 5, 2024, 7:47 PM Marcus D. Leech wrote: On 05/12/2024 12:27, Houshang wrote: Hi Marcus Here it is: ad@bm-super11-intel:~$ sudo /us

[USRP-users] Re: Benchmarking x410 with Mellanox with DPDK

2024-12-05 Thread Marcus D. Leech
On 05/12/2024 14:15, Houshang wrote: Hello It 8s not rj45.it <http://rj45.it> is sfp My mistake. On Thu, Dec 5, 2024, 7:47 PM Marcus D. Leech wrote: On 05/12/2024 12:27, Houshang wrote: Hi Marcus Here it is: ad@bm-super11-intel:~$ sudo /usr/local/lib/uhd/ex

[USRP-users] Re: Benchmarking x410 with Mellanox with DPDK

2024-12-05 Thread Marcus D. Leech
-- -- UHD Device 0 -- Device Address:     serial: 32000F1     addr: 10.10.0.100     claimed: False     fpga: XG     mgmt_addr: 10.10.0.100     name: ni-n3xx-32000F1     product: n310     type: n3xx ad@bm-super11-intel:~$ On Thu, 5 Dec

[USRP-users] Re: Benchmarking x410 with Mellanox with DPDK

2024-12-05 Thread Marcus D. Leech
On 05/12/2024 11:44, houshang.az...@accelleran.com wrote: Hello Have you managed to fix this? I have a similar issue as you can see below. Thanks Well, again, what happens when you do the simple benchmark_rate test *WITHOUT* DPDK involved? |ad@bm-super11-intel:~/accelleran$ sudo dpdk-d

[USRP-users] Re: Ettus X310 - Streaming Data TO the SDR

2024-12-05 Thread Marcus D. Leech
On 05/12/2024 10:58, steve.wake...@roke.co.uk wrote: Hi We can stream data from the Ettus by following the user guides. However there does not appear documentation on streaming data TO the Ettus. Firstly is this possible and should we follow the guide for streaming from but change it to a

[USRP-users] Re: how to use multi_usrp to open multi b210

2024-12-05 Thread Marcus D. Leech
On 04/12/2024 22:37, james Thomas wrote: Hi, i want to use a single multi_usrp to control multi b210. all b210 is connected to the same pc. is there any code example of this>? The multi_usrp object specifically doesn't support multiple B210. If you want multiple B210 in a single program, you'

[USRP-users] Re: Trying to run rfnoc blocks in example uhd folder

2024-12-04 Thread Marcus D. Leech
On 04/12/2024 18:20, dhpanch...@gmail.com wrote: I’m attempting to run some of the example rfnoc flowgraphs in Gnruadio using X410. I keep getting an error that’s similar to the following: line 114, in __init__ self.uhd_rfnoc_addsub_0 = uhd.rfnoc_block_generic( RuntimeError: Cannot find blo

[USRP-users] Re: [ERROR] [DPDK] Could not find route to destination address 192.168.10.2

2024-12-04 Thread Marcus D. Leech
On 04/12/2024 06:11, houshang.az...@accelleran.com wrote: I tried with |sudo su| as well (not working): |root@bm-super11-intel:/home/ad# cat /root/.config/uhd.conf| |[use_dpdk=1]| |dpdk_mtu=9000| |dpdk_driver=/usr/lib/x86_64-linux-gnu/dpdk/pmds-22.0/| |dpdk_corelist=2,3,4| |dpdk_num_mbufs=

[USRP-users] Re: USRP N210 Gain Issue

2024-12-02 Thread Marcus D. Leech
On 02/12/2024 05:43, Muhammad Anas wrote: Dear, I'm using USRP N210 with GNU radio companion for transmission of signal of 50M Hz and testing the signal on the R&S FSH20 Spectrum analyzer using SMA cable, unfortunately I am not getting the desired gain level of 20 dBm according to the datashe

[USRP-users] Re: USRP N210 Gain Issue

2024-12-02 Thread Marcus D. Leech
ve-freq 10e3 Which will produce a CW tone 10kHz up from your tuned frequency of 50MHz. I cannot provide guidance on how to set-up your spectrum analyzer. On Mon, Dec 2, 2024, 9:30 PM Marcus D. Leech wrote: On 02/12/2024 05:43, Muhammad Anas wrote: Dear, I'm using USRP N21

[USRP-users] Re: LED quickly turns back off X410

2024-11-26 Thread Marcus D. Leech
On 26/11/2024 14:36, dhpanch...@gmail.com wrote: Its a high-end ASUS desktop machine with 128 GB RAM: description: Desktop Computer product: System Product Name (SKU) vendor: ASUS version: System Version serial: System Serial Number width: 64 bits capabilities: smbios-3.5.0 dmi-3.5.0 smp v

[USRP-users] Re: n310 | Error: failed receiving packet. RfnocError

2024-11-26 Thread Marcus D. Leech
l operation timed out waiting for ACK. Error: failed receiving packet. RfnocError: OpTimeout: Control operation timed out waiting for ACK./ On Tue, 26 Nov 2024 at 17:37, Marcus D. Leech wrote: On 26/11/2024 11:32, Houshang wrote: Hi Marcus I ran the benchmark command on both ip of

[USRP-users] Re: n310 | Error: failed receiving packet. RfnocError

2024-11-26 Thread Marcus D. Leech
N software runs the interface at, but clearly in your 2nd example, on the   other IP, it's able to support 25Msps without any issue. On Tue, 26 Nov 2024 at 17:22, Marcus D. Leech wrote: On 26/11/2024 11:10, Houshang wrote: Many thanks for prompt reply Marcus! Please fi

[USRP-users] Re: Module Not Found Error

2024-11-26 Thread Marcus D. Leech
Python API in the build, see: https://files.ettus.com/manual/page_python.html *Kimden: *"Marcus D. Leech" *Kime: *"usrp-users" *Gönderilenler: *25 Kasım Pazartesi 2024 18:04:27 *Konu: *[USRP-users]

[USRP-users] Re: n310 | Error: failed receiving packet. RfnocError

2024-11-26 Thread Marcus D. Leech
oduct=n310,addr=10.10.0.100,master_clock_rate=125e6" --rx_rate 25e6 --tx_rate 25e6 On Tue, 26 Nov 2024 at 16:59, Marcus D. Leech wrote: On 26/11/2024 10:18, Houshang wrote: Hello I have following UHD version on my server: /ad@bm-super11-intel:~/houshang$ uhd_config_info

[USRP-users] Re: n310 | Error: failed receiving packet. RfnocError

2024-11-26 Thread Marcus D. Leech
On 26/11/2024 10:18, Houshang wrote: Hello I have following UHD version on my server: /ad@bm-super11-intel:~/houshang$ uhd_config_info --version UHD 4.7.0.0-0ubuntu1~jammy1 ad@bm-super11-intel:~/houshang$ ssh root@10.10.0.100/ And the following UHD version on my n310: /root@ni-n3xx-32000F1:~#

[USRP-users] Re: LED quickly turns back off X410

2024-11-25 Thread Marcus D. Leech
On 25/11/2024 20:57, dhpanch...@gmail.com wrote: I’m receiving a wide bandwidth signal (~250 MHz sample rate using DPDK) on X410 using GNURadio and I notice that the green LED light turns ON and quickly turns back off whenever I have signal processing blocks (e.g. filter block) connected to t

[USRP-users] Re: Signal Distortion and Phase Issues with USRP B210

2024-11-25 Thread Marcus D. Leech
On 25/11/2024 07:12, yibinden...@outlook.com wrote: I think I’ve found the problem. My data was of type |np.complex128|, and perhaps the USRP only used part of it or treated one sample as two? When I changed the data type to |np.complex64|, the issue seemed to be resolved. Thanks again for yo

[USRP-users] Re: Module Not Found Error

2024-11-25 Thread Marcus D. Leech
On 25/11/2024 09:12, Hamdüsena BİLGİ (BİLGEM) via USRP-users wrote: Hello dear usrp users, I want to write code using the UHD Python APIs, but I get an error when I try to run import uhd. UHD works properly in GNU Radio, but when I try to work with Python 3.8 from the terminal or in VSCode, I

[USRP-users] Re: starting radios in parallel

2024-11-20 Thread Marcus D. Leech
On 20/11/2024 14:40, ja...@gardettoengineering.com wrote: I have a project where I have to start up a series of N320 radios.  Currently we do it sequentially and that can take some time.  Is there a way to do them in parallel? I thought I saw somewhere that the driver was the limiting factor

[USRP-users] Re: B210 power and gain levels

2024-11-20 Thread Marcus D. Leech
On 20/11/2024 05:02, Marcus Müller wrote: Depends on the gain you set, and the frequency you're working on. I wish I could give you a simple number or even just a graph over gain, but it's necessarily a two-parameter thing. You will have to measure. At max gain, you'd expect full scale output

Re: Regarding the storage and processing of read signals

2024-11-19 Thread Marcus D. Leech
On 19/11/2024 20:58, 徐雨荷 wrote: I’m not sure this is where I should be asking this question but here goes. I want to read the signal data collected by SDRplay in GNUradio. What module should I use? Is there a module in GNUradio that can handle this data? If not, I hope that the collected data

[USRP-users] Re: USRP sink with GPIO

2024-11-19 Thread Marcus D. Leech
On 19/11/2024 11:02, Tim Vancauwenbergh wrote: Dear, I am revisiting an issue I encountered earlier. I have a flow that generates pulses with spaces between them continuously. To switch between the RX and TX paths on a single antenna, I tried utilizing GPIO to control an RF switch. Tests we

[USRP-users] Re: Real-world experience with X440

2024-11-18 Thread Marcus D. Leech
On 15/11/2024 16:52, Eugene Grayver wrote: Hi, I am considering the X440 for a wideband record/playback system.  What benchmarks has Ettus done? Is there any hardware out there that can continuously stream (one way, TX or RX) the full 8 Gsps (i.e. 2x 4 Gsps) for the combined bandwidth of 2x

[USRP-users] Re: Runtime error

2024-11-18 Thread Marcus D. Leech
On 18/11/2024 02:19, Hamdüsena BİLGİ (BİLGEM) via USRP-users wrote: Hello dear usrp users, After a succesfull uhd_usrp_probe when trying to run the Ettus E320 on Gnu Radio I get the following error message: QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' Qt GUI: Co

[USRP-users] Re: Signal Distortion and Phase Issues with USRP B210

2024-11-15 Thread Marcus D. Leech
.mat file doesn't exceed the required baseband magnitude, as described above. Marcus D. Leech wrote: On 11/11/2024 10:10, Marcus Müller wrote: Hello! Regarding what you see in trailing, my guess is that this is the step response of the built-in DC offs

[USRP-users] Re: Signal Distortion and Phase Issues with USRP B210

2024-11-11 Thread Marcus D. Leech
On 11/11/2024 10:10, Marcus Müller wrote: Hello! Regarding what you see in trailing, my guess is that this is the step response of the built-in DC offset cancellation filter; "DC offset cancellation" is high-pass filter behaviour. This affects only frequencies in your signal that are very lo

[USRP-users] Re: First 10 Samples From First Receive Always 0

2024-11-07 Thread Marcus D. Leech
uantized for you and delivered in   nice neat bits... On Thu, Nov 7, 2024 at 3:03 PM Marcus D. Leech wrote: On 07/11/2024 14:53, Chris Wozny wrote: > I had noticed that the first ten samples of my application were always > coming up as zero regardless of whether it was

[USRP-users] Re: First 10 Samples From First Receive Always 0

2024-11-07 Thread Marcus D. Leech
On 07/11/2024 14:53, Chris Wozny wrote: I had noticed that the first ten samples of my application were always coming up as zero regardless of whether it was 8-bits on host or 16-bits on host. I went down the path of trying to reproduce a minimal example to share with this mailing list, however

[USRP-users] Re: Drop packets and sequence errors during X410 DPDK benchmark test

2024-11-06 Thread Marcus D. Leech
On 04/11/2024 20:12, dhpanch...@gmail.com wrote: I got it work. It seems RT_RUNTIME_SHARE disabled was the culprit. I re-enabled it using these instructions and the benchmark worked without packet drops or underruns: *Underruns Every Second with DPDK + Ubuntu* With Linux kernels 5.10 and be

[USRP-users] Re: Drop packets and sequence errors during X410 DPDK benchmark test

2024-11-04 Thread Marcus D. Leech
On 04/11/2024 20:12, dhpanch...@gmail.com wrote: I got it work. It seems RT_RUNTIME_SHARE disabled was the culprit. I re-enabled it using these instructions and the benchmark worked without packet drops or underruns: *Underruns Every Second with DPDK + Ubuntu* With Linux kernels 5.10 and be

[USRP-users] Re: Drop packets and sequence errors during X410 DPDK benchmark test

2024-10-30 Thread Marcus D. Leech
On 30/10/2024 13:38, dhpanch...@gmail.com wrote: I had to change my 100G IP address to 192.168.120.2 and channels on the X410 to “A”. I set the CPU to Performance Mode and lowered the sample rate to 122.88e6. However, I’m still experiencing dropped packets and sequence errors. /usr/local/

[USRP-users] Re: Drop packets and sequence errors during X410 DPDK benchmark test

2024-10-29 Thread Marcus D. Leech
On 29/10/2024 19:38, dhpanch...@gmail.com wrote: Hi, I’m trying to conduct the UHD benchmark test using DPDK on X410 radio. I’m using the NI Dual 100 Gigabit Ethernet PCIe NIC card, using the Mellanox drivers, and have the UC_200 fpga image loaded on the radio. However, I keep experiencing p

[USRP-users] Re: Error: RuntimeError: Failure to create rfnoc_graph on USRP N310

2024-10-29 Thread Marcus D. Leech
On 29/10/2024 12:53, pigatoimdeafrance...@gmail.com wrote: Yes, both SFP+ ports are connected to the host. Host side, the ip addresses are: |enp3s0f0: flags=4163 mtu 9000| |inet 192.168.20.1 netmask 255.255.255.0 broadcast 0.0.0.0| |ether 7c:c2:55:7b:35:7e txqueuelen 1000 (Ethernet)| |RX p

[USRP-users] Re: Error: RuntimeError: Failure to create rfnoc_graph on USRP N310

2024-10-29 Thread Marcus D. Leech
On 29/10/2024 11:42, pigatoimdeafrance...@gmail.com wrote: Hi Marcus, N310 can be pinged with both addresses. I set up port 49152 and should be listed: $sudo firewall-cmd --list-ports 49152/udpv I'm not that familiar with "firewalld", but a protocol of "udpv" should perhaps be "udp" inste

[USRP-users] Re: Error: RuntimeError: Failure to create rfnoc_graph on USRP N310

2024-10-29 Thread Marcus D. Leech
On 29/10/2024 11:42, pigatoimdeafrance...@gmail.com wrote: Hi Marcus, N310 can be pinged with both addresses. I set up port 49152 and should be listed: $sudo firewall-cmd --list-ports 49152/udpv however, the problem still persists ___ USRP-us

[USRP-users] Re: Error: RuntimeError: Failure to create rfnoc_graph on USRP N310

2024-10-29 Thread Marcus D. Leech
On 29/10/2024 05:43, pigatoimdeafrance...@gmail.com wrote: Hello, I am having trouble setting up the USRPN310. Logs of $ uhd_find_devices are: ERROR: ld.so : object '/opt/uhd/lib/libuhd.so.4.4.0' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.

[USRP-users] Re: UHD with DPDK minimum requirement

2024-10-26 Thread Marcus D. Leech
On 26/10/2024 12:15, Mehran Memarnejad wrote: Hi, Following the instructions on this link , I want to get the UHD work with DPDK so that I can transfer samples from E320 to Host. Question 1: The PC has an Intel Core i7 CPU and I don't k

[USRP-users] Re: X310 - RfnocError: OpTimeout: Control operation timed out waiting for ACK

2024-10-25 Thread Marcus D. Leech
On 25/10/2024 13:32, c1337rog...@gmail.com wrote: Hi Marcus, Thank you for the suggestion. Unfortunately, this did not solve the issue I’m seeing. Every command that interfaces with the radio aside from uhd_find_devices terminates with: |[ERROR] [RFNOC::GRAPH] Caught exception while initial

[USRP-users] Re: Trouble connecting to an x300

2024-10-25 Thread Marcus D. Leech
On 25/10/2024 13:18, Chad Spooner wrote: All: I'm having trouble controlling an Ettus x300 SDR using Ubuntu 22 servers. The brief description (details below) is that I can ping the device, but I can't see it using uhd_find_devices or uhd_usrp_probe or uhd_fft etc. I've looked around on the w

[USRP-users] Re: X310 - RfnocError: OpTimeout: Control operation timed out waiting for ACK

2024-10-24 Thread Marcus D. Leech
On 24/10/2024 16:36, c1337rog...@gmail.com wrote: Hi all, My setup: Ubuntu 20.04, UHD_4.7.0.HEAD-0-ga5ed1872, DPDK_19.11, X310 w/ newly updated XG image, Intel X710 NIC I’m trying to get DPDK working with the X310 but I’m failing on step 0. Running any of the example programs (without DPDK

[USRP-users] Re: ADC saturation problem in USRP X310

2024-10-18 Thread Marcus D. Leech
ope to be clear enough... but surelty  not crystal clear :-) Best regards   Patrice ---- *De: *"Marcus D. Leech" *À: *"usrp-users" *Envoyé: *Vendredi 18 Octob

[USRP-users] Re: ADC saturation problem in USRP X310

2024-10-18 Thread Marcus D. Leech
On 18/10/2024 11:35, je.amg...@gmail.com wrote: Hello, I am currently facing an issue with ADC saturation on a USRP X310 equipped with a UBX daughterboard. We are conducting measurements using an LTE signal and a sinusoidal input signal, but it seems that the ADC is saturating, leading to a

[USRP-users] Re: Assistance with RFNoC Keep-One-In-N Block For Radiometer Application

2024-10-17 Thread Marcus D. Leech
ing" is typically fairly small. Just a bit of tutorial background.  Most (not all, I admit) folks on here are from the telecom/wireless/SIGINT/passive-radar   side of the "house" and may be less familiar with applications of radio for measuring natural phenomenon. On Thu, Oct 17, 2

[USRP-users] Re: Assistance with RFNoC Keep-One-In-N Block For Radiometer Application

2024-10-16 Thread Marcus D. Leech
On 16/10/2024 20:55, Ekin Su Sacin wrote: Hello, I am working on modifying rfnoc_keep_one_in_n.v code for a Dicke radiometer application. My goal is to generate a Dicke clock for different modes and to obtain the accumulated power of the incoming signal over half of the Dicke cycle. I am usin

[USRP-users] Re: "buffer_double_mapped :warning: allocate_buffer:" for dvbt_rx_8k.grc

2024-10-07 Thread Marcus D. Leech
On 07/10/2024 12:43, h57jaf...@gmail.com wrote: Hi, I am running “dvbt_rx_8k.grc” with sample ts file. The result save to the output file and also with UDP sink I can see the video stream in the vlc. But every time it stop after a while and generated output ts file with fixed size of 25.2MB.

[USRP-users] Re: Antena selection with RFNoC

2024-10-07 Thread Marcus D. Leech
On 07/10/2024 08:04, Maria Muñoz wrote: Hi all, We are using UHD 4.0 with RFNoC and GNURadio in an E320 device. We've always used the RF-A antenna channel without problems, but now we are trying to use the RF-B channel and are unsure how to configure the rfnoc radio block to do that. We have

[USRP-users] Re: Using 10GbE to stream receiver data to remote FPGA

2024-10-05 Thread Marcus D. Leech
On 05/10/2024 15:54, steve.wake...@roke.co.uk wrote: Thanks, I am struggling to see how this would connect to the RFNOC block. Are there any examples as to how the RFNOC block is architected to allow a remote streamer? Thanks ___ USRP-users maili

[USRP-users] Re: Using 10GbE to stream receiver data to remote FPGA

2024-10-05 Thread Marcus D. Leech
On 05/10/2024 13:51, steve.wake...@roke.co.uk wrote: We have a system in RFNOC that receives data at 100MSps. We want to stream this to a remote FPGA card over the 10GbE. Is this possible, and if so do we need to create our own RFNOC block to do this or can we use UHD libraries in some way?

[USRP-users] Re: Octoclock CDA-2990 produces no signals

2024-10-03 Thread Marcus D. Leech
On 03/10/2024 18:27, shapkiqua...@gmail.com wrote: Dear Marcus, Thanks for the reply. I have two of these Octoclocks and the second one is doing exactly what I said. It is blinking the PPS and sending a 10MHz square wave to an SOC’s REF_CLK. This is happening right now, a few feet to my righ

[USRP-users] Re: Octoclock CDA-2990 produces no signals

2024-10-03 Thread Marcus D. Leech
On 03/10/2024 16:49, shapkiqua...@gmail.com wrote: Upon power up, the Octoclock should show all green LEDs on to the left. After several seconds, the “External” LED should turn off, and the PPS should begin to blink once per second. Instead ,this Octoclock simply goes frozen in a state in whi

[USRP-users] Re: Ettus USRP X310 with Different Daughterboards

2024-10-02 Thread Marcus D. Leech
On 02/10/2024 20:17, Q W via USRP-users wrote: Hello, I just started using USRP for a project. I have a Ettus X310 with a UBX160, a LFTX and a LFRX installed on the motherboard. The X310 motherboard is quite old purchased in 2016/2017. Labview is used as the software platform. After connect

[USRP-users] Re: KAS kirkstone build of ni-titanium-rev5 on x410 with Vitis-AI Library and DPU drivers: Mainline kernel incompatible with zocl DPU driver; possible to use linux-xlnx kernel and make ti

2024-10-02 Thread Marcus D. Leech
On 02/10/2024 20:08, mruane--- via USRP-users wrote: Hi Marcus! Hahaha  I thoroughly enjoyed the rant!    I think you are correct about Make and its variations.   Indispensable seems an understatement for something that is so pervasive in software development.   As I mentioned, I am primaril

[USRP-users] Re: KAS kirkstone build of ni-titanium-rev5 on x410 with Vitis-AI Library and DPU drivers: Mainline kernel incompatible with zocl DPU driver; possible to use linux-xlnx kernel and make ti

2024-10-01 Thread Marcus D. Leech
On 01/10/2024 12:09, mruane--- via USRP-users wrote: Hi all! I’m an FPGA developer, dragged into the Yocto world a few years ago with the move to Zynq and ZynqMP architectures. As a research group, we mainly develop on Xilinx dev boards like the ZCU102 MPSoC, and ZCU111 RFSoC. Having recen

Re: dvbt2 transmitter can not be real-time with LimeSDR

2024-09-30 Thread Marcus D Leech
real-time with LimeSDR   Sorry, but UHD is a big CPU hog for transmitting (at least with the B2X0 series of devices).

Re: dvbt2 transmitter can not be real-time with LimeSDR

2024-09-30 Thread Marcus D. Leech
onomos *Sent:* Monday, September 30, 2024 5:27:19 PM *To:* discuss-gnuradio@gnu.org *Subject:* Re: dvbt2 transmitter can not be real-time with LimeSDR Sorry, but UHD is a big CPU hog for transmitting (at least with the B2X0 series of devices). Ron On 9/30/

Re: dvbt2 transmitter can not be real-time with LimeSDR

2024-09-30 Thread Marcus D. Leech
my i5-6200 system at 2.7GHz.  There were a handful of U during the 1 minute test. Since I don't have LimeSDR setup on my machine, I can't compare. Nor can I compare to BladeRF (the other USB-based   tx-capable SDR). On 9/30/24 07:21, Marcus D. Leech wrote: You should investigate the tr

Re: dvbt2 transmitter can not be real-time with LimeSDR

2024-09-30 Thread Marcus D. Leech
On 30/09/2024 01:30, Ali G. Dezfuli wrote: When I run dvbt2 transmitter examples from gr-dtv without any hardware, “Probe Rate” block in GRC shows 15e6 samples per second at the output of the Tx (which needs about 9 Msps to work in real-time.) Next, I connected USRP B200mini, but it showed un

[USRP-users] Re: Automatically power on after power loss

2024-09-20 Thread Marcus D Leech
Yes. There’s an identical paragraph in the same document for N32x. Sent from my iPhone > On Sep 20, 2024, at 11:48 AM, Eugene Grayver wrote: > >  > Hi Marcus, > > Thanks for the quick response as usual. The wiki says the flag is specific > to N310. Does it apply to N3xx (i.e. 320/321) as

[USRP-users] Re: Automatically power on after power loss

2024-09-19 Thread Marcus D. Leech
On 19/09/2024 17:28, Eugene Grayver wrote: Hi, The 'soft' button on the N32x does not have an 'on' state.  The X310 has a real button that can be pushed in.  I have remote N32x devices that are not (easily) accessible.  How can I make sure they power up after a power outage? Thanks. __

[USRP-users] Re: x300 reset script

2024-09-19 Thread Marcus D. Leech
simply sends a special message to the ZPU, which immediately forces a *hard* reset on   the FPGA--which will cause it to reset itself, and load the running FPGA image from the EEPROM.  This is   exactly what happens at power-up. On Thu, 19 Sept 2024 at 15:38, Marcus D. Leech wrote: On 19

[USRP-users] Re: x300 reset script

2024-09-19 Thread Marcus D. Leech
On 19/09/2024 09:44, cyberp...@gmail.com wrote: Hi all, I am using this the x300_reset.py script to reset the FPGA and would like to know a bit more about what is it resetting etc. (https://github.com/EttusResearch/uhd/blob/UHD-4.0/host/utils/x300_reset.py) Power off and on does not seem to

[USRP-users] Re: Reg. MSB (only) trasmission

2024-09-18 Thread Marcus D. Leech
On 18/09/2024 04:08, Brajesh wrote: I am able to program N210 FPGA using newly generated .bit file. I am trying to transmit MSB (1-bit only ) from the N210 board and faithfully process these MSBs at the receiver end. Would appreciate some information on how it can be achieved. A pointer or tw

[USRP-users] Re: Phase synchronization correction in OFDM reception / X310

2024-09-17 Thread Marcus D. Leech
On 17/09/2024 14:05, pav.vie...@gmail.com wrote: I am building an OFDM transmission and reception system, but I am having difficulty recovering the BPSK constellation during reception, as the signal has a large phase rotation. I use a PLL before symbol synchronization, but I have not been abl

[USRP-users] Re: Major compat number mismatch for noc_shell: Expecting 3, got 5 Error

2024-09-10 Thread Marcus D. Leech
On 10/09/2024 18:00, Brian Diaz via USRP-users wrote: Hello, I am not sure what this error means and how to fix it. I tried running a command a received this error. This is my entire cmd prompt session: C:\Program Files\UHD\bin>uhd_usrp_probe [INFO] [UHD] Win32; Microsoft Visual C++ version

[USRP-users] Re: X440 Block diagram / architecture details

2024-09-03 Thread Marcus D. Leech
k you once again for your time and assistance. I look forward to your response. Best regards, Olo. On Monday, August 26th, 2024 at 18:04, Rob Kossler via USRP-users wrote: On Mon, Aug 26, 2024 at 10:24 AM Marcus D. Leech wrote: On 26/08/2024 10:21, Rob

[USRP-users] Re: Why does the self-calibration utility not work?

2024-08-29 Thread Marcus D. Leech
On 27/08/2024 13:31, Hossein via USRP-users wrote: Usually, I generate signals by MATLAB and convert it to binary data. Then, I use “rfnoc_replay_samples_from_file” utility like the following: ./rfnoc_replay_samples_from_file --args ‘type=x300,addr=192.168.20.2,second_addr=192.168.40.2,maste

[USRP-users] Re: X440 Noise Figure

2024-08-28 Thread Marcus D. Leech
nfirming that 36.5dB is expected from the X440 and there's nothing crazy wrong about my math. Thanks, Steve On Wed, Aug 28, 2024, 3:15 PM Marcus D. Leech wrote: On 28/08/2024 18:04, Steve Hamn wrote: > Hello, > > I have been trying to estimate the Noise

[USRP-users] Re: X440 Noise Figure

2024-08-28 Thread Marcus D. Leech
se, well, it's always going to be "somewhere around   horrific".  Nobody would likely expect to connect this directly to an antenna (except maybe on HF) and expect good results... Thanks, Steve On Wed, Aug 28, 2024, 3:15 PM Marcus D. Leech wrote: On 28/08/2024 18:04,

[USRP-users] Re: X440 Noise Figure

2024-08-28 Thread Marcus D. Leech
On 28/08/2024 18:04, Steve Hamn wrote: Hello, I have been trying to estimate the Noise Figure of the X440. I looked through all the documentation I could find and couldn't find it anywhere, so I tried to calculate it myself. It looks like the ZU2xDR RFSoC has a NSD of -146dBFS/Hz @ 2.4GHz (

[USRP-users] Re: QPSK modulation and demodulation

2024-08-28 Thread Marcus D. Leech
On Wed, Aug 28, 2024, 9:02 PM Marcus D. Leech wrote: On 28/08/2024 12:13, ali siddig wrote: > Dear all, > I have tried to use the QPAK modulation and demodulation exapmle from > the tutorial in the link below. I am using two USRPs B205 as > transmitter a

[USRP-users] Re: QPSK modulation and demodulation

2024-08-28 Thread Marcus D. Leech
On 28/08/2024 12:13, ali siddig wrote: Dear all, I have tried to use the QPAK modulation and demodulation exapmle from the tutorial in the link below. I am using two USRPs B205 as transmitter and receiver, frequency 910MHz , sampling rate 300k or 1 M sps. However, the received signal's constel

[USRP-users] Re: Command for burning image on N210R4

2024-08-27 Thread Marcus D. Leech
On 27/08/2024 12:04, Brajesh wrote: After building setup for N210R4, I am able to generate new image for N210R4. I want to burn newly generated image on the N210R4 FPGA. Looking for command to do the needful. Thanks and regards. ___ USRP-users maili

[USRP-users] Re: Why does the self-calibration utility not work?

2024-08-27 Thread Marcus D. Leech
On 27/08/2024 09:24, Hossein via USRP-users wrote: Yes, there are 6 calibration files (.cal) under ~/.local/share/uhd/cal for both daughterboards (tx_dc, tx_iq, and rx_iq) with serial No. of daughterboards in the file names. Thanks for your interest! So, what LO offset are you using?  (You

[USRP-users] Re: Why does the self-calibration utility not work?

2024-08-27 Thread Marcus D. Leech
On 27/08/2024 07:50, Hossein via USRP-users wrote: I work with a USRP X310 and two CBX-120 daughterboards. I would like to calibrate the daughterboards according to the page https://files.ettus.com/manual/page_calibration.html on USRP Hardware Driver (UHD) manual. After applying the utilities

[USRP-users] Re: Assistance with RFNoC and TwinRX Configuration in Custom FPGA Image

2024-08-26 Thread Marcus D. Leech
at I am on the right track with my project. Thank you once again for your time and assistance. I look forward to your response. Best regards, Olo. On Monday, August 26th, 2024 at 18:04, Rob Kossler via USRP-users wrote: On Mon, Aug 26, 2024 at 10:24 AM Marcus D. Leech wrote: On 2

[USRP-users] Re: Assistance with RFNoC and TwinRX Configuration in Custom FPGA Image

2024-08-26 Thread Marcus D. Leech
On 26/08/2024 11:08, Brian Padalino wrote: Also note that large signals on one channel will leak into the other at baseband, I believe. I think it's just the nature of the 2-channel design using the single ADC and everything being so close. The datasheet for the ADC shows ca -88dB cross-talk b

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