Cypress CY7C68013A (FX2) USB to FPGA

I just got the USB interface working under Linux for the Digilent Nexys and Nexys 2 FPGA boards. Started with some ideas from the blog at braiden.org , updated the FX2 firmware and added from VHDL test code. Details at www.sensicomm.com/main/projects/fpga/ieee_fpga.shtml#nexys_usb .