USB FT232H Altera Avalon-MM Interface

This core implements the Altera Avalon-MM interface for FTDI FT232H device in FT245 Synchronous FIFO mode.
The core has internal FIFOs on the receive and transmit.
Tested with Scatter-Gather DMA and DMA Controller cores.
For more information about FT232H and FT245 Synchronous FIFO Mode visit http://ftdichip.com
Included: Verilog core, NIOS2 header file, NIOS2 test application, PC test application.
Upd:
* IP completely rewritten.
* Code divided into configurable parts.
* Improved stability.
* Add testbench