The code in this directory is taken from: http://www.xilinx.com/support/documentation/application_notes/xapp058.zip (v.5.01) Ian Lesnet wrote: "I contacted Xilinx support and they said the license is do what you want, no warranty. (BSD I guess...)" (http://dangerousprototypes.com/forum/viewtopic.php?f=51&t=2239#p21257) Refer to XAPP058 for more information: http://www.xilinx.com/support/documentation/application_notes/xapp058.pdf