Re: [casper] Optimum PFB / FFT settings to meet timing

2010-09-13 Thread Andrew Martens
> * the latency between the Multiplier and Adder had to be set so that all of > it could be absorbed in the pipeline registers within the DSP48E. Normally > 2/3 for Multiplier and 1 for Adder worked fine. > > It seems that this is not actually needed, adding latency to the Multiplier/s and Adders s

Re: [casper] Optimum PFB / FFT settings to meet timing

2010-09-13 Thread Jason Manley
> * the latency between the Multiplier and Adder had to be set so that all of > it could be absorbed in the pipeline registers within the DSP48E. Normally > 2/3 for Multiplier and 1 for Adder worked fine. > > It seems that this is not actually needed, adding latency to the Multiplier/s > and A

Re: [casper] bee_xps : unable to compile tut2 under centos 5.5

2010-09-13 Thread David MacMahon
Hi, Guy, I searched for "error" and found this... Running XST synthesis INSTANCE:xaui_phy_0 - /home/roach/dev/test_example/tut2_ramp/tut2/XPS_ROACH_base/ system.mhs line 414 - Running XST synthesis ERROR:Xst:1484 - A core is unlicensed ! ERROR:EDK:546 - Aborting XST flow execution! INFO:EDK:2

[casper] Update from 11.3 to 11.4 corrupted toolflow

2010-09-13 Thread Jonathan Landon
On a 64-bit system with Matlab R2009a the toolflow worked fine with Xilinx 11.3, but when I updated to 11.4 something has changed so now Simulink doesn't load the Xilinx Blockset and gives several errors about MEX-files that appear to have been corrupted (errors included below).  Has anyone else