Re: [Discuss-gnuradio] How do I modify the xml files in the x310?

[Martin Braun]

On 05/28/2016 02:27 PM, Swanson, Craig wrote:
> Marcus,
> 
> Since I started about a year ago with understanding and using RFNoC, I
> have been only using the E310.
> 
> Now I am starting to use the X310, and I have three questions.
> 
> 
>  1. ​​I successfully executed the command
>     uhd_image_loader --args="type=x300,addr=192.168.10.2"
>     
> --fpga-path="~/uhd/fpga-src/usrp3/top/x300/build/usrp_x310_rfnoc_fpga_HGS.bit".
>      But when I execute  uhd_usrp_probe --args="addr=192.168.10.2"
>     --init-only​ I get a segmentation fault.  That is because I changed
>     the NOC_ID.  How do I update the X310 with my latest .xml files?  I
>     am assuming I need to copy over the .xml files to the X310 from my
>     Home/gr-ettus/grc directory.

You don't need to copy anything to the device other than the bitfile.
Just edit the file locally and reinstall.

>  2.
>     When I start using the JTAG Chipscope Xilinx USB cable, I am
>     assuming I have to make sure my /lib/udev/rules.d/40-uhd-host.rules
>     has a line for the X310.  Where do I get this information?

Use the .rules file shipped with UHD (it's in utils/).

>  3.
>     When executing a flowgraph, is the X310 more like the E310 or the
>     B210?  In other words, do I need to have a Device3 with a Device
>     Address: type=x300?  That is like the E310.  For the usrp source and
>     sink, do I need to have a Device Address with the ethernet address?

You need a device3 block with type=x300, yes. In that case, you won't
use a USRP source/sink.

M

> 
> Is there a location in the user's manual that addresses these questions
> for the X310?

There's a couple of examples in gr-ettus.

M

> 
> Thanks,
> Craig
> 
> *Craig F. Swanson*
> */Research Engineer II
> /*
> */Information and Communications Laboratory/*
> */Communications, Systems, and Spectrum Division/*
> /Georgia Tech Research Institute/
> /Room 560
> 250 14th St NW
> /
> /Atlanta, GA 30318/
> /Cell: 770.298.9156/
> http://www.gtri.gatech.edu
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>  
>