Hi Andrea I have simulated the sync pulse with out any issues on the latest version of the ska-mlib_devel libraries with matlab 2012b and Xilinx 14.4
I have taken your design and put a scope on the output of the OR block and it looks fine. Regards Wes On Thu, Apr 4, 2013 at 9:15 AM, Andrea Mattana <matt...@ira.inaf.it> wrote: > Hi Dave, > > here (http://www.med.ira.inaf.it/~mattana/casper/) you can find a > screenshot and the model file. I did this simulation because I see the > same problem on the running project on my ROACH1 board (the pps > connected to a led is not blinking anymore). The same simulation is > working nominally using the very old 7.1 libraries, I'm using the > ska-sa 14.2 toolflow with mlib_devel updated from git on Tue March 5 > 14:54:36 2013 (commit from wnew). > > PPS line in our lab is inverted. > > Cheers, > Andrea > > > 2013/4/3 David MacMahon <dav...@astro.berkeley.edu>: > > Hi, Andrea, > > > > Are you seeing problems in simulation or on actual hardware? I just > made a quick test model and the sync input was propagated fine in > simulation. Can you please explain your symptoms in more detail? Which > version of mlib_devel are you using? What hardware platform are you > targeting? > > > > Thanks, > > Dave > > > > On Apr 3, 2013, at 7:16 AM, Andrea Mattana wrote: > > > >> Does anybody have tested the sync line (pps) on the iadc of the new > toolflow? > >> > >> Cheers, > >> Andrea > >> > >> 2013/3/27 Andrea Mattana <matt...@ira.inaf.it>: > >>> Hi all, > >>> > >>> I have tested the PPS over the sync0-1-2-3 output port of the iADC on > >>> the new libraries with a very simple design and it seems that the > >>> simulated PPS in input is not propagated anymore. > >>> > >>> I have tested a very similar model file on a old Ibob toolflow and it > >>> works fine. > >>> > >>> There are any new constraints or it is just a bug (or better, I'm > >>> wrong something?)?? > >>> > >>> Cheers, > >>> Andrea > >> > >
