Re: [Discuss-gnuradio] Mainlining FPGA modifications

[Matt Ettus]

On 06/07/2011 04:09 PM, Alexander Chemeris wrote:
> Hi all,
> 
> On Sat, May 28, 2011 at 21:30, Alexander Chemeris
> <address@hidden> wrote:
>> On Sat, May 28, 2011 at 21:04, Marcus D. Leech <address@hidden> wrote:
>>>> Hi all,
>>>>
>>>> I'm not sure whether to post this to GnuRadio or to USRP-users, so I
>>>> post it here.
>>>>
>>>> We've started a project to implement a custom SDR hardware (which we
>>>> plan to open-source later) and we want to reuse as much of USRP FPGA
>>>> code as possible. But it will require a good deal of customization as
>>>> well.
>>>>
>>>> So, we're looking for an advice on how to structure our relations with
>>>> the upstream (i.e. GnuRadio/USRP) the best way. I.e. where should we
>>>> place our code and how to ensure our code will be accepted to the
>>>> mainline, etc?
>>>>
>>> I can't answer the questions about where to best place the code in the tree,
>>> but maintaining compatibility with the
>>>  UHD wire protocol and API would really help make it easy to integrate into
>>> Gnu Radio.  Matt can comment on
>>>  UHD licensing for projects like this, I'm sure.
>>
>> To make it more clear - we intend to keep all VRT/UHD related FPGA
>> code in place and just replace/change interaction with RF part. May be
>> we'll have to slightly extend VRT/UHD code for our specific purposes,
>> but it will be minor changes.
>>
>> In other words - all our changes will be to support a new platform
>> seamlessly with existing UHD code.
> 
> Could anyone comment on this topic after all?
> Tom, Josh, Philip - I'm not sure who should I bug about this?


We are always looking for contributions to the FPGA code and will
consider including any interesting new functionality.

Matt