Hi Guillermo, How many channels is that tutorial supposed to generate? It looks like the RAM is smaller than expected by the software. Is it possible that each even/odd RAM is supposed to be 512*4 (i.e., 512 words, each 32-bits wide) for 1024 channels total?
Cheers Jack On Mon, 5 Apr 2021 at 22:46, Guillermo Gancio <[email protected]> wrote: > Hi Casperities (?) > > I'm going thru the tutorial 3 on a snap board, and I have some > issue/error while reading the 'odd' and 'even' register, > when reading with > -> a_0=struct.unpack('>1024l',fpga.read('even',1024*4,0)) > > I end up with the error > -> Request: ?read odd 0 4096 > -> Reply: !read fail > > but if I change the number of bytes to read from 1024*4 to 128*4, I > can read it with no problem, ( but the data plot does not seem to be > ok ). Also the accumulation value increments ok. > > Any thoughts? Thanks! > > > > > > -- > Instituto Argentino de Radioastronomia > [Argentine Institute of Radioastronomy] > > Guillermo M. Gancio > Responsable Área Observatorio > [Head of Observatory] > > Tel: (0054-0221) 482-4903 Int: 106 > Mail laboral [email protected] > > -- > You received this message because you are subscribed to the Google Groups " > [email protected]" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CA%2BEePfTjY%2BZzCUWr_ksaGfNRSoVfeF251VRbLP4S5dkFSnddcA%40mail.gmail.com > . > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/CAG1GKSk2tv25XinAy%3D0mt_WKY1s61p2qBOYLVsJ-%2B5j1twueQw%40mail.gmail.com.
