Re: [casper] strange problem in the FFT

2013-07-19 Thread David MacMahon
Hi, Andrew, On Jul 19, 2013, at 7:14 AM, Andrew Martens wrote: > In my recent adventures into the fft library I did come across a bug that > affects fft_biplex_real_4x (and by extension fft_wideband_real) output. > > It was in the init script for mirror_spectrum used in the bi_real_unscr_4x >

Re: [casper] Error in Shared BRAM yellow block

2013-07-19 Thread Primiani, Rurik
Hi Andrew, I tried the recent changes to Shared BRAM on ska-sa but I ran into an error during Update Diagram in munge_init.m resulting from commit 2c13dab where it's trying to index div_size which is just a integer. I attach a patch which fixes this issue; however I'm now running into another erro

[casper] July 21 Deadline for Casper Workshop Registration

2013-07-19 Thread Dan Werthimer
Dear Casperites, We hope you can join us for the CASPER workshop in Manchester. PLEASE REGISTER SOON: The deadline for registration is in TWO DAYS (July 21). Details Below from Ben Stappers: Dear Colleagues, The CASPER collaboration workshop of 2013 to be held at Jodrell Bank Observatory w

Re: [casper] strange problem in the FFT

2013-07-19 Thread Andrew Martens
Hi John We are building several new pulsar and spectral line personalities, and we have a weird problem with the FFT block. No matter how many channels we configure a block for, the last channel in each 1/8th of the spectrum is getting lost. For instance, if we have a 64 channel personality, c

Re: [casper] strange problem in the FFT

2013-07-19 Thread John Ford
> Hi John >> >> We are building several new pulsar and spectral line personalities, and >> we >> have a weird problem with the FFT block. No matter how many channels we >> configure a block for, the last channel in each 1/8th of the spectrum is >> getting lost. For instance, if we have a 64 chann

Re: [casper] Error in Shared BRAM yellow block

2013-07-19 Thread Andrew Martens
Hey Jason When I try to set the "Data Binary Point" parameter in the Shared BRAM block I get the error: "Illegal parametrization: Binary point Binary point must be less than or equal to the number of bits, X." X appears to be the index of the Data Width rather than the actual value selected b