Description: USB brush, based on altera de2 platform, all have friends, a good example. .
File list (Check if you may need any files):
DE2_USB_API\README.txt
...........\HW\AUDIO_DAC.v
...........\..\CLK_LOCK.v
...........\..\CMD_Decode.v
...........\..\DE2_USB_API.pof
...........\..\DE2_USB_API.qpf
...........\..\DE2_USB_API.qsf
...........\..\DE2_USB_API.sof
...........\..\DE2_USB_API.v
...........\..\DE2_USB_API_assignment_defaults.qdf
...........\..\Flash_Command.h
...........\..\I2C_AV_Config.v
...........\..\I2C_Controller.v
...........\..\Img_DATA.hex
...........\..\LCD_Controller.v
...........\..\Multi_Sram.v
...........\..\RS232_Command.h
...........\..\RS232_Controller.v
...........\..\SEG7_LUT.v
...........\..\SEG7_LUT_8.v
...........\..\SRAM_16Bit_512K.v
...........\..\USB_JTAG.v
...........\..\VGA_Audio_PLL.v
...........\..\async_receiver.v
...........\..\async_transmitter.v
...........\..\ps2_keyboard.v
...........\..\Multi_Flash\Flash_Command.h
...........\..\...........\Flash_Controller.v
...........\..\...........\Flash_Multiplexer.v
...........\..\...........\Multi_Flash.v
...........\..\......Sdram\Multi_Sdram.v
...........\..\...........\PLL1.ppf
...........\..\...........\PLL1.v
...........\..\...........\Params.v
...........\..\...........\Sdram_Controller.v
...........\..\...........\Sdram_Multiplexer.v
...........\..\...........\Sdram_Params.h
...........\..\...........\command.v
...........\..\...........\control_interface.v
...........\..\...........\sdr_data_path.v
...........\..\VGA_Controller\Img_DATA.hex
...........\..\..............\Img_RAM.v
...........\..\..............\VGA_Controller.v
...........\..\..............\VGA_OSD_RAM.v
...........\..\..............\VGA_PLL.v
...........\..\..............\VGA_Param.h
...........\SW\DE2_Control_Panel.exe
...........\..\DE2_USB_API.pof
...........\..\DE2_USB_API.sof
...........\..\FTD2XX.DLL
...........\..\Image_Convert_English.pdf
...........\..\ImgConv.exe
...........\HW\Multi_Flash
...........\..\Multi_Sdram
...........\..\VGA_Controller
...........\HW
...........\SW
DE2_USB_API