Re: [USRP-users] VITA time question

2018-11-14 Thread Marcus D. Leech via USRP-users
On 11/14/2018 03:59 PM, Robin Coxe wrote: To clarifiy, the B200mini, B200mini-i, and B205mini-i do not have an on-board GPSDO, but they do have 1 PPS and 10 MHz Reference Inputs. -Robin Gahh! Cognitive pollution from other models. I apologize. So, Chintan, you'll have to set the clock in s

Re: [USRP-users] VITA time question

2018-11-14 Thread Robin Coxe via USRP-users
To clarifiy, the B200mini, B200mini-i, and B205mini-i do not have an on-board GPSDO, but they do have 1 PPS and 10 MHz Reference Inputs. -Robin On Wed, Nov 14, 2018 at 12:46 PM Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > On 11/14/2018 02:37 PM, Chintan Patel via USRP-u

Re: [USRP-users] VITA time question

2018-11-14 Thread Marcus D. Leech via USRP-users
On 11/14/2018 02:37 PM, Chintan Patel via USRP-users wrote: Hi, A conceptual question: for the b205 mini, how does the FPGA get the 64-bit VITA timefield? I know the PPS/10 MHz can be used to sync the clocks to, but trying to understand how the timestamp is synchronized to a UTC/known-good re

[USRP-users] VITA time question

2018-11-14 Thread Chintan Patel via USRP-users
Hi, A conceptual question: for the b205 mini, how does the FPGA get the 64-bit VITA timefield? I know the PPS/10 MHz can be used to sync the clocks to, but trying to understand how the timestamp is synchronized to a UTC/known-good reference value. Reading the HDL, it seems that the timestamp is pr

Re: [USRP-users] vita time

2018-06-17 Thread Ian Buckley via USRP-users
>> >> Thank you for your patience. >> >> >> Kind regards, >> >> Koen >> >> >> >> De : Ian Buckley [mailto:i...@ionconcepts.com <mailto:i...@ionconcepts.com>] >> Envoyé : mercredi 13 juin 2018 20:18 >

Re: [USRP-users] vita time

2018-06-17 Thread Ian Buckley via USRP-users
u for your patience. > > > Kind regards, > > Koen > > > > De : Ian Buckley [mailto:i...@ionconcepts.com <mailto:i...@ionconcepts.com>] > Envoyé : mercredi 13 juin 2018 20:18 > À : TIMMEN Koen > Cc : Michael West; Neel Pandeya; usrp-users@lists.ett

Re: [USRP-users] vita time

2018-06-13 Thread Ian Buckley via USRP-users
:michael.w...@ettus.com > <mailto:michael.w...@ettus.com>] > Envoyé : lundi 11 juin 2018 23:59 > À : TIMMEN Koen > Cc : Neel Pandeya; Ian Buckley (i...@ionconcepts.com > <mailto:i...@ionconcepts.com>); usrp-users@lists.ettus.com > <mailto:usrp-users@lists.ettus.co

Re: [USRP-users] vita time

2018-06-12 Thread TIMMEN Koen via USRP-users
: [USRP-users] vita time Hi Koen, The way to achieve what you want is to set the device time and then have your signal generator put timestamps in each packet relative to that time. To tell your custom block what time to use, you can have a user register that you also program with the time (or

Re: [USRP-users] vita time

2018-06-11 Thread Michael West via USRP-users
> > > > *De :* Neel Pandeya [mailto:neel.pand...@ettus.com] > *Envoyé :* jeudi 7 juin 2018 06:14 > *À :* TIMMEN Koen > *Cc :* usrp-users@lists.ettus.com > *Objet :* Re: [USRP-users] vita time > > > > Hello Koen: > > > > As Ian requested, could you p

Re: [USRP-users] vita time

2018-06-06 Thread TIMMEN Koen via USRP-users
for your responses. Regards, Koen Timmen De : Neel Pandeya [mailto:neel.pand...@ettus.com] Envoyé : jeudi 7 juin 2018 06:14 À : TIMMEN Koen Cc : usrp-users@lists.ettus.com Objet : Re: [USRP-users] vita time Hello Koen: As Ian requested, could you please provide additional detail on exactly what

Re: [USRP-users] vita time

2018-06-06 Thread Neel Pandeya via USRP-users
Hello Koen: As Ian requested, could you please provide additional detail on exactly what you're trying to do? Are you merely trying to access the 64-bit FPGA VITA time from within the RFNoC block? Which device are you using? --​Neel Pandeya On 5 June 2018 at 09:24, Ian Buckley via USRP-user

Re: [USRP-users] vita time

2018-06-05 Thread Ian Buckley via USRP-users
Koen, Can you expand a little on the functionality you need pls, its not fully clear enough to me to make a suggestion. Are you trying to extract time from incoming samples or apply time to samples you are processing? -Ian > On Jun 5, 2018, at 7:36 AM, TIMMEN Koen via USRP-users > wrote: >

[USRP-users] vita time

2018-06-05 Thread TIMMEN Koen via USRP-users
Hello all, Currently I'm working on a RFNoC block that requires a known time reference, but I have trouble making this value available. Ideally I would like to have the value available in a register designated to the block. As I understand, a time reference is available through the CHDR, but..

Re: [USRP-users] VITA time in X310 FPGA

2018-01-22 Thread Martin Braun via USRP-users
Hey Dmitry, for the DDC case, we always use the timestamp for the first package. If your decim is 2, then every other timestamp is effectively discarded. The counter your referring to is thus more relevant for the DUC use case. Cheers, Martin On 01/16/2018 01:51 AM, Дмитрий Михайличенко via USRP

Re: [USRP-users] VITA time in X310 FPGA

2018-01-16 Thread Дмитрий Михайличенко via USRP-users
2018-01-16 3:31 GMT+03:00 Martin Braun via USRP-users < usrp-users@lists.ettus.com>: > On 01/11/2018 01:38 AM, Дмитрий Михайличенко via USRP-users wrote: > > Hi, > > > > I am trying to understand timestamp tracking in FPGA and noticed one > > possible issue in axi_rate_change.v module . > > > > VI

Re: [USRP-users] VITA time in X310 FPGA

2018-01-15 Thread Martin Braun via USRP-users
On 01/11/2018 01:38 AM, Дмитрий Михайличенко via USRP-users wrote: > Hi, > > I am trying to understand timestamp tracking in FPGA and noticed one > possible issue in axi_rate_change.v module . > > VITA time in packet headers is counted in ticks of master clock > frequency, i.e. 200 MHz. For me it

[USRP-users] VITA time in X310 FPGA

2018-01-11 Thread Дмитрий Михайличенко via USRP-users
Hi, I am trying to understand timestamp tracking in FPGA and noticed one possible issue in axi_rate_change.v module . VITA time in packet headers is counted in ticks of master clock frequency, i.e. 200 MHz. For me it looks like axi_rate_change adjusts time by adding time from the first packet in