[USRP-users] Re: X310 Synchronization

2021-05-18 Thread Zeng, Huacheng
Hi Cédric, I tried "set_time_unknown_pps()" but got no luck. The sample misalignment remains the same. I suspect this is somehow related to the warning "[WARNING] [RFNOC::GRAPH] One or more blocks timed out during flush!" from the UHD, but have no idea about how to fix it. Thanks anyway. -Hua On

[USRP-users] Re: X310 Synchronization

2021-05-18 Thread Zeng, Huacheng
Hi Cédric, Thank you for the pointer. I will try it today and update here. -Hua On Tue, May 18, 2021 at 9:51 AM Cédric Hannotier via USRP-users < usrp-users@lists.ettus.com> wrote: > Hi Hua, > > On 17/05/21 16:27, Zeng, Huacheng wrote: > > Hi Marcus, > > > > Thank you for the reply. I am using

[USRP-users] Re: X310 Synchronization

2021-05-18 Thread Cédric Hannotier via USRP-users
Hi Hua, On 17/05/21 16:27, Zeng, Huacheng wrote: > Hi Marcus, > > Thank you for the reply. I am using SBX (40MHz) daughterboards for X310. > For my software setting, I'm not sure what is the best way to present the > details. So I copied my code below. Hopeful it is not messy for you to > review

[USRP-users] Re: X310 Synchronization

2021-05-17 Thread Marcus D. Leech
On 05/17/2021 09:11 PM, Zeng, Huacheng wrote: Hi Marcus, Thanks for your reply. I actually have read this note, and did not find a solution to my problem. In my project, I'm not seeking phase synchronization, but trying to achieve frequency synchronization (for ADC and carrier frequency). It

[USRP-users] Re: X310 Synchronization

2021-05-17 Thread Zeng, Huacheng
Hi Marcus, Thanks for your reply. I actually have read this note, and did not find a solution to my problem. In my project, I'm not seeking phase synchronization, but trying to achieve frequency synchronization (for ADC and carrier frequency). It seems that the two transmit data streams are misali

[USRP-users] Re: X310 Synchronization

2021-05-17 Thread Marcus D. Leech
On 05/17/2021 04:27 PM, Zeng, Huacheng wrote: Hi Marcus, Thank you for the reply. I am using SBX (40MHz) daughterboards for X310. For my software setting, I'm not sure what is the best way to present the details. So I copied my code below. Hopeful it is not messy for you to review. Thanks,

[USRP-users] Re: X310 Synchronization

2021-05-17 Thread Zeng, Huacheng
Hi Marcus, Thank you for the reply. I am using SBX (40MHz) daughterboards for X310. For my software setting, I'm not sure what is the best way to present the details. So I copied my code below. Hopeful it is not messy for you to review. Thanks, Hua =

[USRP-users] Re: X310 Synchronization

2021-05-17 Thread Marcus D Leech
You haven’t said what type of daughter cards you’re using. Nor exactly how you’re setting things up In your software. Sent from my iPhone > On May 17, 2021, at 1:56 PM, Zeng, Huacheng wrote: > >  > An update - I update UHD to 4.0 version and run the code again. With this > version I got so

[USRP-users] Re: X310 Synchronization

2021-05-17 Thread Zeng, Huacheng
An update - I update UHD to 4.0 version and run the code again. With this version I got some warning message (see below). Did I set up the X310 usrp improperly? [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; UHD_4.0.0.HEAD-0-g90ce6062 [INFO] [X300] X300 initialization sequence... [INFO]