Re: [casper] Error in tut3.py: No module named spead64_48

[James Smith]

Hello Xavier,

Casperfpga is lacking a bit of documentation, but see Jason Manley's email
to the list from yesterday. It's got a bit of a primer, and it works
broadly similarly to Corr but with some added useful time-saving features.
It would be good to get around to writing a user manual for it at some
point...

Regards,
James


On Mon, Jun 12, 2017 at 5:04 PM, Xavier Bosch 
wrote:

> Hi Jack,
> Yes, I only need it for communications, I do not need the corr_functions.
> I could not find documentation on casperfpga, so I end using the
> katcp_wrapper.py together with katcp==0.5.1, a version of what you
> suggested.
> For now it is working.
> Thank you,
> XB
>
>
>
>
> On Wed, Jun 7, 2017 at 8:45 AM Jack Hickish  wrote:
>
>> Hi Xavier,
>>
>> Assuming you're only going to use the katcp stuff in Corr to talk to your
>> boards, you don't really need corr_functions at all.
>>
>> In fact you can edit the __init__.py file in Corr/ to remove a lot of the
>> superfluous imports if they are causing you trouble.
>> The real solution is that everyone should be using the casperfpga
>> package, not Corr, but I don't know if this is adequately documented on the
>> wiki (I still use corr myself, because it works and I don't like change).
>> Purging the tutorials and wiki of suggestions to install corr will be part
>> of the workshop prep work in the next couple of months.
>>
>> Jack
>>
>> PS. When you get the corr import working, you might find you get another
>> error(!) when you try to make a connection to a board. I think you'll find
>> you need to downgrade your katcp version (my local setup uses 0.5.4).
>>
>>
>> On Mon, Jun 5, 2017, 12:33 PM Xavier Bosch 
>> wrote:
>>
>>> hi everyone,
>>> I am new in this list and also new in the CASPER world. I am learning
>>> through the tutorials provided in https://github.com/casper-
>>> astro/tutorials_devel.git . I am using Ubuntu 14.04.5 and I been able
>>> to compile and sensitize (generate the .bof file) up to tut3, included. Now
>>> I am trying to get data out of the ROACH2 using the Python file that comes
>>> with the tutorial and I am getting the following error:
>>>
>>>   File "/usr/local/lib/python2.7/dist-packages/corr/corr_functions.py",
>>> line 55, in 
>>> import spead64_48 as spead
>>> ImportError: No module named spead64_48
>>>
>>> I have the following Python modules installed in my system:
>>> 
>>> corr==0.7.3
>>> construct==2.8.12  -> I had to downgrade it to==2.5.3 because it was
>>> giving me trouble.
>>> katcp==0.6.1
>>> numpy==1.12.1
>>> spead==0.5.1
>>> ...
>>>
>>> but there is nothing like spead64_48 in my system. I tried changing
>>> thing here and there but nothing worked so far.
>>> What I am doing wrong?
>>> Thanks,
>>> XB
>>>
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>>>
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[casper] NFS file handle error

[Claudio Rivera]

Hello everyone...
I had a NFS server working with the ROACH, but I had to reconfigured the
server from scratch.
When I try to boot the ROACH from flash memory, I get the following errors

find: ./sshd.pid: Stale NFS file handle
find: ./motd: Stale NFS file handle
rm: cannot remove `./sshd.pid': Stale NFS file handle
rm: cannot remove `./motd': Stale NFS file handle
* bootclean: Failure cleaning /var/run.
/etc/rcS.d/S55bootmisc.sh: line 43: /var/run/motd: Stale NFS file handle
/etc/rcS.d/S55bootmisc.sh: line 44: /var/run/motd: Stale NFS file handle
chown: failed to get attributes of `/var/log/dmesg': Stale NFS file handle
chmod: failed to get attributes of `/var/log/dmesg': Stale NFS file handle
touch: cannot touch `/var/log//dmesg.0': Stale NFS file handle
/etc/rcS.d/S55bootmisc.sh: line 50: /var/log/dmesg: Stale NFS file handle
chgrp: cannot access `/var/log/dmesg': Stale NFS file handle
rm: cannot remove `/var/lib/urandom/random-seed': Stale NFS file handle
INIT: Entering runlevel: 2
 8 Oct 16:05:40 ntpdate[475]: no servers can be used, exiting

Can this been occurring due to the client still maintains and actively
references to the previous configuration of the server? and if so, How can
I resolve this?
Any idea?
Regards
Claudio Rivera

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Re: [casper] Error in tut3.py: No module named spead64_48

[Xavier Bosch]

Hi Jack,
Yes, I only need it for communications, I do not need the corr_functions.
I could not find documentation on casperfpga, so I end using the
katcp_wrapper.py together with katcp==0.5.1, a version of what you
suggested.
For now it is working.
Thank you,
XB




On Wed, Jun 7, 2017 at 8:45 AM Jack Hickish  wrote:

> Hi Xavier,
>
> Assuming you're only going to use the katcp stuff in Corr to talk to your
> boards, you don't really need corr_functions at all.
>
> In fact you can edit the __init__.py file in Corr/ to remove a lot of the
> superfluous imports if they are causing you trouble.
> The real solution is that everyone should be using the casperfpga package,
> not Corr, but I don't know if this is adequately documented on the wiki (I
> still use corr myself, because it works and I don't like change). Purging
> the tutorials and wiki of suggestions to install corr will be part of the
> workshop prep work in the next couple of months.
>
> Jack
>
> PS. When you get the corr import working, you might find you get another
> error(!) when you try to make a connection to a board. I think you'll find
> you need to downgrade your katcp version (my local setup uses 0.5.4).
>
>
> On Mon, Jun 5, 2017, 12:33 PM Xavier Bosch 
> wrote:
>
>> hi everyone,
>> I am new in this list and also new in the CASPER world. I am learning
>> through the tutorials provided in
>> https://github.com/casper-astro/tutorials_devel.git . I am using Ubuntu
>> 14.04.5 and I been able to compile and sensitize (generate the .bof file)
>> up to tut3, included. Now I am trying to get data out of the ROACH2 using
>> the Python file that comes with the tutorial and I am getting the following
>> error:
>>
>>   File "/usr/local/lib/python2.7/dist-packages/corr/corr_functions.py",
>> line 55, in 
>> import spead64_48 as spead
>> ImportError: No module named spead64_48
>>
>> I have the following Python modules installed in my system:
>> 
>> corr==0.7.3
>> construct==2.8.12  -> I had to downgrade it to==2.5.3 because it was
>> giving me trouble.
>> katcp==0.6.1
>> numpy==1.12.1
>> spead==0.5.1
>> ...
>>
>> but there is nothing like spead64_48 in my system. I tried changing thing
>> here and there but nothing worked so far.
>> What I am doing wrong?
>> Thanks,
>> XB
>>
>> --
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>> "casper@lists.berkeley.edu" group.
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>> email to casper+unsubscr...@lists.berkeley.edu.
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>>
>

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Re: [casper] Uploading JASPER files on SKARAB

[Jason Manley]

Hi Mark

The package you're looking for is called casperfpga. 
https://github.com/ska-sa/casperfpga Many people were only using corr for the 
FPGA interaction, so we split this out into separate packages, casperfgpa and 
corr2. Development on the old corr package has stopped. casperfpga is 
compatible with ROACH2 and SKARAB, using different classes because the 
protocols differ:

myroach2 = casperfpga.KatcpFpga("hostname_or_ip_address")
or,
myskarab = casperfpga.SkarabFpga('hostname_or_ip_address')

After that, interacting with the two should be the same, but is a bit different 
from corr...

Firstly, you should consider using the new .fpg files, rather than the .bof 
files. There's a lot more metadata in the fpg files that casperfpga supports, 
including a nifty feature of bit-wise addressing of registers and automatic 
unpacking of snapshot blocks.

to program: myskarab.upload_to_ram_and_program('myfile.fpg')

to read registers: 
In [6]: f.registers.status_barrel.read()
Out[6]:
{'data': {'dv_cnt': 0, 'eof_cnt': 0, 'hdrfix_cnt': 0},
 'timestamp': 1497249196.65738}

or, to read a snapshot block:
f.snapshots.snap_cd0_ss.read()
You can also pass a number of parameters to control them: 
f.snapshots.snap_cd0_ss.read(man_trig=True, man_valid=True, read_nowait=True)
If you just want a quick 'n dirty printout of all the values in there to your 
ipython session, consider f.snapshots.snap_acc.print_snap() instead of read().

If you don't like the object-oriented approach though, the old read and write 
functions are still there in casperfpga, so you can use it in much the same way 
as the old corr. 

Not everything is fully implemented for SKARAB yet. Shared BRAM writing is not 
currently working, and you can only use the 1G or first 40G port for 
controlling the board (in fact, atm, I think you *have* to have one 40G port in 
the design for it to work properly, since this pulls-in the microblaze etc). 
It's a work in progress!

Happy to chat in telecon to discuss details. 

Jason


On 09 Jun 2017, at 22:18, Peryer, Mark A.  wrote:

> Hello,
> 
> I am currently trying to find a way to load the .bof file generated from 
> JASPER onto a SKARAB. Does a library such as corr, that is used for the 
> ROACH2, exist for the SKARAB, or is there some other method that needs to be 
> used?
> 
> Thanks,
> 
> Mark 
> 
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