Re: [casper] Roach2 QDR

Hi Matt, See the commit trail at https://github.com/jack-h/mlib_devel/commits/ami-devel/xps_base/XPS_ROACH2_base/pcores/qdr_controller_v1_00_a/hdl/verilog/qdrc_infrastructure.v and in particular commits 06fa83a and 73cd65b. In the first case, I basically played with the balancing of registering

[casper] Error programming .fpg file

Hi Casperites, I'm trying to program an fpg file onto the Roach2, but I can't seem to get it to program the fpga. I keep getting this error: ?progdev qdr_err_check_2015_Mar_16_1247.fpg #log info 957575770765 raw attempting\_to\_program\_qdr_err_check_2015_Mar_16_1247.fpg #log error 957575770765

Re: [casper] Roach2 QDR

Jack, When you were having problems calibrating the qdr at high clock rate, how did you go about removing half a clock cycle latency from the interface? Thanks, Matt On Wed, Mar 11, 2015 at 12:27 PM, Matt Strader mstra...@physics.ucsb.edu wrote: I have my own fork of mlib_devel