from:"Damon qiu via USRP\-users"

Re: [USRP-users] issue about subdev spec

2020-08-25 Thread Damon qiu via USRP-users

t today regarding "skip_dram=1". I believe there is a >>> bug. But, if you can skip the Dma FIFO (if your sample rate is low >>> enough), you can get around the bug. >>> Rob >>> >>> On Mon, Aug 24, 2020 at 3:31 PM Damon qiu via USRP-users &l

Re: [USRP-users] Issues with multi-usrp and UHD

2020-08-25 Thread Damon qiu via USRP-users

Hi Andreas, Great job. Hope this issue can be solved as soon as possible. Best regards, Damon On Wed, 26 Aug 2020 at 00:42, wrote: > Thanks Rob. > > > > I have registered the issue in > https://github.com/EttusResearch/uhd/issues/367 and nagged their support > email. > > > > Andreas. > > > > *

Re: [USRP-users] issue about subdev spec

2020-08-25 Thread Damon qiu via USRP-users

skip_dram=1". I believe there is a > bug. But, if you can skip the Dma FIFO (if your sample rate is low > enough), you can get around the bug. > Rob > > On Mon, Aug 24, 2020 at 3:31 PM Damon qiu via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> Hi all, &g

Re: [USRP-users] issue about subdev spec

2020-08-24 Thread Damon qiu via USRP-users

Hi all, After repeated tests, we feel that two of the four channels of two devices will be randomly selected, and the probability of choosing the correct channel is very low. It must be a bug. Hi Macus, > try: > > stream_args.channels.push_back(0); > stream_args.channels.push_back(1): > > Instea

[USRP-users] issue about subdev spec

2020-08-06 Thread Damon qiu via USRP-users

Hi all, I am using two USRP X310s to transmit signals on 2 channels. The two USRP are synchronized through a octoclock-g. A multi_usrp object is used to control those two USRP, device address is set to addr0=192.168.40.2,addr1=192.168.60.2. I want to set two USRP transmitting signal at RFA at the

Re: [USRP-users] TX Burst at 200Msps sample rate on two channel

2020-06-26 Thread Damon qiu via USRP-users

Hi Marcus, Since you forgot to copy the email to me, I have to reply your email here. 'sudo' is for using dpdk. Do you have any way to use dpdk without super authority? Hi Rob, Your information is very helpful. I will try that next week when I am back to the office. Thanks. Best regards, Damon O