Altera DE2-115 User Manual download pdf (Page 86)

the status of specific components by using the USB Controller program, such as apply the “LED”

Page to illumine the leds or go it out, or select the “Button_Switch” page to monitor the status of

the Button & Switch.

Figure 6-5 Block diagram of the USB device demonstration

 Demonstration Setup, File Locations, and Instructions

• Project directory: DE2_115_NIOS_DEVICE

• Bit stream used : DE2_115_NIOS_DEVICE_LED.sof

• Quartus project : DE2_115_NIOS_DEVICE\HW

• Nios II Workspace: DE2_115_NIOS_DEVICE\HW\Software

• PC Software : DE2_115_NIOS_DEVICE\SW

• Connect the USB Device connector of the DE2-115 board to the host computer using a USB

cable.

• Execute DE2_115_NIOS_DEVICE\demo_batch\ FPGA_bat\test.bat

• A new USB hardware device will be detected. Specify the location of the driver as

DE2_115_NIOS_DEVICE\ demo_batch\PC\driver\...\cyusb.inf (Terasic EZO USB). (Note: If

failed to install the driver due to digital signature verification. You can reboot PC, press F8 to

enter the advanced options, and then disable digital signature verification.)

• The host computer should report that a Terasic EZO USB is now installed

• Execute the software located in DE2_115_NIOS_DEVICE \ demo_batch\PC\ USB_Control.exe

on the host computer. Then, experiment with the program:

o LCD_7SEG Control: Setting LCD and 7SEG

o LED Control: Light or unlight LEDs

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Altera DE2-115 User Manual Page 86