Re: [USRP-users] time_now and daughterboard synchronization

2019-09-04 Thread Marcus D. Leech via USRP-users
On 09/04/2019 06:44 PM, Cédric Hannotier via USRP-users wrote: On 2019-09-04 19:07, Marcus D. Leech via USRP-users wrote: Le 04.09.2019 19:07, Marcus D. Leech via USRP-users a écrit : The "set_time_now()" operation is unsynchronized--it simply transfers the host time to the device(s) without any

Re: [USRP-users] time_now and daughterboard synchronization

2019-09-04 Thread Cédric Hannotier via USRP-users
On 2019-09-04 19:07, Marcus D. Leech via USRP-users wrote: Le 04.09.2019 19:07, Marcus D. Leech via USRP-users a écrit : The "set_time_now()" operation is unsynchronized--it simply transfers the host time to the device(s) without any hardware synchronization pulse. Since it necessarily has to

Re: [USRP-users] time_now and daughterboard synchronization

2019-09-04 Thread Marcus D. Leech via USRP-users
On 09/04/2019 10:54 AM, Cédric Hannotier via USRP-users wrote: Dear all, I have a synchronization issue when using the method "set_time_now()" (https://files.ettus.com/manual/classuhd_1_1usrp_1_1multi__usrp.html#a351a2c3081944a0d2caab95e2a2f0926). The setup is composed of two X310 usrps, one t

Re: [USRP-users] flowgraphs not stopping

2019-09-04 Thread Jason Matusiak via USRP-users
I think I've found the problem. I thought I disabled a GR OOT block when I was running my tests this morning, but I either was wrong, or some process was hung in memory somewhere after I started stripping the flowgraph down. The issue was a block that was spawning a thread that was listening o

Re: [USRP-users] N200: Sequence error at low sampling rate

2019-09-04 Thread Nate Temple via USRP-users
Hi Emanuel, What ethernet controller is installed on your NUC? lspci | grep Ethernet Can you try rebooting the NUC, and then run a benchmark to trigger the sequence errors, after that run: ethtool -S and send its output. Regards, Nate Temple On Tue, Sep 3, 2019 at 1:35 AM Emanuel via USRP-

[USRP-users] How to upgrade the version of MPM of N300

2019-09-04 Thread Damon Qiu via USRP-users
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[USRP-users] flowgraphs not stopping

2019-09-04 Thread Jason Matusiak via USRP-users
I have a weird problem that I've seen for a while and I've just ignored until now. I've seen this with numerous pieces of hardware, but I am currently using an E320 in network mode. This seems to only happen when I am using RFNoC, so I assumed it was me, but today I was testing with only stock

[USRP-users] RFNoC packet sizes

2019-09-04 Thread Sebastian Bräuer via USRP-users
Hi, I am currently trying to optimize my RFNoC application for latency and I have some questions regarding the packet sizes between blocks: 1) If I set the "spp" parameter of the receiving radio block, does this value "propagate" upstream, i.e. does this set the packet size for all following