[USRP-users] USRP x310 with multi_usrp and RFNoC

Armin Schmidt schmiar at gmail.com
Wed Feb 20 04:25:53 EST 2019


Hm, does someone know if it is possible somehow to reset the FPGA over a
register? We see, that there exists a registers for resets of different
modules (SR_SW_RST), but don't know, if we could use this over the API.
Does somewhere exist a register-map? I think that should be the basis of
every documentation.

Would be quite sad, if Ettus don't prioritize the possible to use the
hardware for real operation and not only for tinker-projects. We are
operating at the moment three systems, each with five x310 and
ubx-160-doughterboards and in the next several months/years it will be a
lot more. So I hope Ettus will see this conversation and respond, otherwise
we will be forced to move on to other vendors! The Ettus-support is quite
painful and slow from my experiences and the documentation even worse!

Am Di., 19. Feb. 2019 um 20:45 Uhr schrieb Brian Padalino <
bpadalino at gmail.com>:

> On Tue, Feb 19, 2019 at 12:07 PM Armin Schmidt <schmiar at gmail.com> wrote:
>
>> Thanks for your replay! Hm, yes I've thought also about to use
>> STREAM_MODE_STOP_CONTINUOUS, but I would like to be able to restart my app
>> also after a crash. Ok, it should never happen, but one can never guarantee
>> that case. Do you have an idea, how to deal with such cases? I think it's a
>> bug in UHD, because in the version 3.9 was that never a problem.
>>
>
> From my conversations with Ettus, getting the radios to a known good state
> after a crash is not something they are prioritizing.
>
> My recommendation to you is that you reload the FPGA over JTAG every time
> before starting your application such that it is always in a known
> good/initial state.
>
> Brian
>
>>
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